Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
ENGINE
MODEL
DATE
78-0001
#
THRUST SPOILER - Rework of Thrust Spoiler
Bracket, P/N 9042M49G01
6D
LF
10/15/70
78-0002
#
THRUST SPOILER - Rework of electrical
connector bracket, P/N 9041M38G01, in T/S
Installation Kit, 536L328
6D
LF
11/16/70
78-0003
#
THRUST REVERSER - Core Cowl Inspection
6D
LF
12/08/70
78-0004
#
6D
LF
02/19/71
78-0004
#
EXHAUST SYSTEM - Turbine Reverser
Clearance Rework
REVISION 1
6D
LF
07/20/71
78-0005
#
6D
LF
02/03/71
78-0005
#
EXHAUST SYSTEM - Core Reverser Stow
Position Switch Retrofit
REVISION 1
6D
LF
03/04/71
78-0006
#
6D
LF
01/08/71
78-0006
#
THRUST REVERSER - Rework of left hand
T/R feedback assembly to change deploy
switch trip point from 98% deploy stroke to
89% deploy stroke
REVISION 1
6D
LF
01/28/71
78-0007
#
THRUST REVERSER AND SPOILER
SYSTEM - Replacement of flexible drive shaft
shear coupling, P/N 9053M12P02 with P/N
9053M12P04
6D
LF
01/05/71
78-0008
#
6D
LF
01/12/71
78-0008
#
THRUST REVERSER - Vaned Deflector
Retrofit
REVISION 1
6D
LF
01/28/71
78-0009
#
6D
LF
01/18/71
78-0009
#
EXHAUST SYSTEM - Thrust Spoiler
Assembly, Deflector Stop Replacement
ADDENDUM 1
6D
LF
02/12/71
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
1
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
ENGINE
MODEL
DATE
78-0010
#
FAN REVERSER - Introduction of Access door 6D
and blow-out panel assembly with a Cam-Lok
fastener on the blow-out panel
LF
02/22/71
78-0011
#
FAN REVERSER - Retrofit of Left-Hand
Feedback Assembly with Cam Follower (P/N
9066M55P02)
6D
LF
02/18/71
78-0012
#
FAN REVERSER - Addition of Witness Holes
to F/R & T/R Ball and Screw Actuators
6
LF
03/30/71
78-0013
#
6
LF
01/28/71
78-0013
#
FAN REVERSER - Replacement of flexible
drive shaft shear coupling, with P/N
903M12P05
ADDENDUM 1
6
LF
02/18/71
78-0014
#
FAN REVERSER SYSTEM - Retrofit of center
Gearbox, P/N 9041M54P02 and end
Gearboxes, P/N 9033M27P02
6D
LF
03/03/71
78-0015
#
6D
LF
03/08/71
78-0015
#
GENERAL - Fan Reverser Airmotor and Inlet
System Redesign
REVISION 1
6D
LF
07/13/71
78-0016
#
FAN REVERSER - Addition of Tail Engine
Adapter Seal to Kits 536L349 and 536L351
6D
LF
03/02/71
78-0017
#
FAN REVERSER COWL DOOR OPENING
6D
SYSTEM - Introduction of ball screw actuators,
P/N 9039M26P13 and P/N 9030M26P04
LF
04/23/71
78-0018
#
FAN REVERSER - Rework of the power
opening actuator mount on the left hand fan
reverser
6D
LF
03/25/71
78-0019
#
6D
LF
05/03/71
78-0019
#
FAN REVERSER - Rework of Fan Reverser
Pressure Regulator and Shut-off Valve
REVISION 1
6D
LF
06/04/71
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
2
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
78-0020
#
EXHAUST SYSTEM - Cooling System
modification
REVISION 1
REVISION 2
78-0020
78-0020
#
#
78-0021
#
FAN REVERSER - Rework of LH Feedback
Bracket from P/N 9056M54G01 to P/N
9056M54G03
78-0022
ENGINE
MODEL
DATE
6
LF
04/19/71
6
6
LF
LF
06/04/71
10/30/72
6D
LF
04/23/71
#
EXHAUST SYSTEM - Replacement of Aft Flex 6D
Shaft Assembly to Facilitate Clamping
LF
04/27/71
78-0023
#
LF
06/15/71
78-0023
78-0023
#
#
FAN REVERSER ASSEMBLY - Introduction of 6
45 Degree Deflectors
REVISION 1
6
REVISION 2
6D
LF
LF
07/23/71
02/22/72
78-0024
#
6D
LF
05/03/71
78-0024
#
6D
LF
07/11/72
78-0025
#
EXHAUST SYSTEM - Replacement of exhaust 6
nozzle wear strips with wear pads
LF
05/06/71
78-0026
#
6D
LF
05/17/71
78-0026
#
FAN REVERSER - Forward Compartment
cooling tubes
REVISION 1
6D
LF
08/05/71
78-0027
#
FAN REVERSER - Blow out panel modification 6D
LF
05/10/71
78-0028
#
6D
LF
05/28/71
78-0028
#
FAN REVERSER - Rework of the bottom latch
on the mounting ring latch assembly
REVISION 1
6D
LF
08/13/71
78-0029
#
6
LF
05/27/71
78-0029
#
EXHAUST SYSTEM - Rework of upper
translating cover
ADDENDUM 1
6
LF
07/02/71
FAN REVERSER - Introduction of improved
access and blow out doors
REVISION 1
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
3
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
ENGINE
MODEL
DATE
78-0030
#
FAN REVERSER SYSTEM - Installation of an
Orifice in the Overpressure Shut-off Valve
6D
LF
06/14/71
78-0031
78-0031
78-0032
#
#
#
EXHAUST SYSTEM - Exhaust Cowl Rework
REVISION 1
CANCELLATION NOTICE
6
6
6D
LF
LF
LF
06/30/71
02/29/72
10/26/71
78-0033
#
6
LF
06/22/71
78-0033
#
EXHAUST SYSTEM - Rework of Latch
Actuator P/N 9039M25P03 to remove pin “C”
wire connector
ADDENDUM 1
6
LF
06/25/71
78-0034
#
6D
LF
06/22/71
78-0034
#
FAN REVERSER - Addition of stow position
indicators of the translating cowl
REVISION 1
6D
LF
07/30/71
78-0035
#
FAN REVERSER - Replacement of Upper
Fireshield Grommet
6D
LF
06/23/71
78-0036
#
FAN REVERSER - Flexible Shaft,
Replacement of Cores
6
LF
07/22/71
78-0037
#
6D
LF
07/23/71
78-0037
#
FAN REVERSER - Modification to Blow - Out
and Access Doors
REVISION 1
6
LF
09/13/71
78-0038
#
FAN REVERSER ASSEMBLY - Marking: No
Lift, No Step, Etc.
6D
LF
08/16/71
78-0039
#
FAN REVERSER ASSEMBLY - Trimming of
Lower Blocker Door Air Seal
6D
LF
09/02/71
78-0040
#
FAN REVERSER - Replacement of Latch
Actuator and Solenoid Valve Mounting Bolts,
Nuts and Washers
6D
LF
07/20/71
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
4
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
78-0041
#
78-0041
ENGINE
MODEL
DATE
6
LF
#
FAN REVERSER - Replacement of forward
wear pad on the translating fairing with
combination war pad and stop on upper track
only
REVISION 1
6
LF
11/12/71
78-0042
78-0042
#
#
FAN REVERSER - Forward latch ring rework
REVISION 1
6D
6D
LF
LF
09/21/71
11/24/71
78-0043
#
6D
LF
08/13/71
78-0043
#
FAN REVERSER SYSTEM - Replacement of
latch assembly toggle hooks
REVISION 1
6D
LF
11/24/71
78-0044
#
6
LF
09/22/71
78-0044
#
EXHAUST SYSTEM - Rework/replacement of
beam supports and vaned deflectors
REVISION 1
6
LF
02/22/73
78-0046
#
EXHAUST SYSTEM - Fan Reverser Lower
Blocker Door Assembly Replacement
6D
LF
09/21/71
78-0047
#
6D
LF
02/03/72
78-0047
78-0047
#
#
FAN REVERSER ASSEMBLY - Actuation of
deploy electrical switch at 89%
REVISION 1
REVISION 2
6D
6D
LF
LF
10/30/72
08/01/74
78-0051
#
EXHAUST SYSTEM - Replacement Actuator
Covers and Bolts
6
LF
12/21/71
78-0052
*#
6D
PI
07/25/72
78-0052
*#
FAN REVERSER ASSEMBLY - SPAD
Bushings for repair of fan reverser
REVISION 1
6D
PI
11/06/73
78-0053
*#
FAN REVERSER ASSEMBLY - Coating
Protection on Cooling Tube
6D
PI
09/21/71
78-0054
*#
6
PI
11/24/71
78-0054
*#
EXHAUST SYSTEM - Replacement hardware
for translating fairing and exhaust nozzle cowl
REVISION 1
6
PI
02/21/73
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
5
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
ENGINE
MODEL
DATE
78-0055
*#
FAN REVERSER ASSEMBLY - Replacement
nut channels for cowl guide beam
6D
PI
09/27/71
78-0056
*#
EXHAUST SYSTEM - Replacement D sump
vent tube
6
PI
10/04/71
78-0057
*#
EXHAUST SYSTEM - Flame Spray Deflector
Stops
6
PI
09/21/71
78-0058
*#
FAN REVERSER SYSTEM - Replacement
ECS crossover tube
6D
PI
11/11/71
78-0059
#
EXHAUST SYSTEM - Fan Reverser and
Turbine Reverser - Modification and rigging
required for the turbine reverser unpinning
program
REVISION 2
6
LF
11/12/71
6
LF
06/15/72
78-0059
78-0060
#
EXHAUST SYSTEM – Turbine Reverser Modification for unpin program
6
LF
11/12/71
78-0063
*#
6D
PI
11/17/71
78-0063
*#
FAN REVERSER ASSEMBLY - SPAD parts
for repair of fan reverser
REVISION 1
6D
PI
06/01/73
78-0064
#
6D
LF
09/24/71
78-0064
#
FAN REVERSER ASSEMBLY - Translating
Cowl Air Seal Trimming
REVISION 1
6D
LF
01/05/72
78-0065
*#
FAN REVERSER ASSEMBLY - Replacement
translating cowl guides
6D
PI
01/06/72
78-0066
#
FAN REVERSER ASSEMBLY - Application of
sealing compound to support assembly
6D
LF
11/05/71
78-0067
#
FAN REVERSER ASSEMBLY - Replacement
of cam and spring retainer assembly, P/N
9037M37G02
6D
CP
12/28/71
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
6
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
ENGINE
MODEL
DATE
78-0068
#
EXHAUST SYSTEM 6
Replacement/reidentification of forward and aft
electrical cables
LF
03/08/72
78-0069
#
FAN REVERSER ASSEMBLY - Addition of
Clamps to tail position deflection limiter tube
6D
LF
10./15/71
78-0070
#
FAN REVERSER SYSTEM - Crimped nut
inspection of actuator gearboxes
6
LF
12/13/71
78-0071
*#
6D
PI
11/03/72
78-0071
*#
FAN REVERSER ASSEMBLY - Connecting
Link and Bolts on Fan Reversers
REVISION 1
6D
PI
03/14/77
78-0072
*#
6D
PI
01/05/72
78-0072
*#
6D
PI
01/04/73
78-0073
*#
COWL DOOR OPENING SYSTEM Replacement flexible shaft assembly and ball
screw actuator
6D
PI
12/27/71
78-0074
#
COWL DOOR ACTUATOR Inspection/Reidentification of ball screw
actuators
6D
LF
12/07/71
78-0075
#
EXHAUST SYSTEM – Turbine Reverser Replacement of forward wear pad on the
translating fairing with combination wear pad
and stop on lower track only
6
LF
11/12/71
78-0076
*#
6
PI
01/05/72
78-0076
78-0076
*#
*#
EXHAUST SYSTEM - Lower Gearbox, P/N
9039M44P06 (VIN 121406-2)
REVISION 1
REVISION 2
6
6
PI
PI
09/13/72
78-0077
*#
6D
PI
01/05/72
FAN REVERSER ASSEMBLY - Replacement
Hinge Access Panel
REVISION 1
FAN REVERSER ASSEMBLY - Replacement
parts for fan reverser
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
7
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
ENGINE
MODEL
DATE
78-0078
#
FAN REVERSER ASSEMBLY - Support
assembly core cowl modification to increase
clearance at 8th stage manifold
6D
LF
01/05/72
78-0079
*#
PI
02/22/72
78-0079
78-0079
*#
*#
FAN REVERSER ASSEMBLY - Replacement 6D
Blocker Door Assemblies, Forward Fairing and
Sound Panels
REVISION 1
6D
REVISION 2
6D
PI
PI
08/23/72
01/18/73
78-0080
#
FAN REVERSER ASSEMBLY - Correction of
Fan Reverser Shipping Kit
6D
LF
10/10/72
78-0081
#
EXHAUST SYSTEM - Inspection and
replacement of support beam, P/N
9034M99P02, to meet part requirements
6
LF
02/07/72
78-0082
*#
FAN REVERSER ASSEMBLY - Replacement
Deflectors
6D
PI
03/01/72
78-0083
*#
FAN REVERSER SYSTEM - Replacement
Flexdrive Guide, P/N 9057M79P01
6D
PI
02/26/72
78-0084
#
6D
CP
03/24/72
78-0084
78-0084
#
#
FAN REVERSER ASSEMBLY Inspection/Rework of L/H and R/H Hinge
Access Panels
REVISION 1
REVISION 2
6D
6D
CP
CP
05/04/72
06/16/72
78-0085
#
LF
02/07/72
78-0085
78-0085
#
#
FAN REVERSER AND TURBINE REVERSER 6D
SYSTEM - Introduction of a modified pressure
regulator and over pressure valve
REVISION 1
6D
REVISION 2
6D
LF
LF
04/18/72
09/11/72
78-0086
#
COWL DOOR OPENING SYSTEM Introduction of actuator with anti-chatter brake
LF
02/07/72
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
6D
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
8
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
78-0087
#
78-0087
#
78-0088
#
78-0088
#
78-0089
#
78-0089
#
78-0090
#
78-0090
#
78-0091
ENGINE
MODEL
DATE
FAN REVERSER AND TURBINE REVERSER 6D
SYSTEM - Intro of a pneumatic-limit switch
deploy liner regulator modified F/B bracket
cam follower and air motor adjustment
REVISION 1
6D
LF
05/04/72
LF
07/12/72
FAN REVERSER AND TURBINE REVERSER 6
SYSTEM - Intro of forward and aft flex drive
shafts with impregnated core lubrication
REVISION 1
6
LF
02/09/72
LF
04/07/72
FAN REVERSER AND TURBINE REVERSER 6
SYSTEM - Introduction of a turbine reverser
drive shaft shear coupling with a shotpeened
shear section
REVISION 1
6
LF
02/09/72
LF
04/07/72
TURBINE REVERSER SYSTEM - Rework of
flexible shaft assembly VIN 121248-2 (GE P/N
9039M98P02) and VIN 121248-4 (GE
9039M98P04) to eliminate nut plates
REVISION 1
6
LF
03/09/72
6
LF
07/06/72
#
FAN REVERSER ASSEMBLY - Replacement
Left Hand and Right Hand Retaining Rods
6D
LF
05/03/72
78-0092
#
TURBINE REVERSER ASSEMBLY - Addition
of Shims to flexible shaft seal retainers
6
LF
04/28/72
78-0093
#
LF
03/10/72
78-0093
#
COWL DOOR OPENING SYSTEM 6D
Introduction of flex shaft with improved spline
coupling, chafe guard and cable guard bracket
REVISION 1
6D
LF
09/28/72
78-0094
#
FAN REVERSER ASSEMBLY - Rework of
upper and lower fairing to eliminate
interference
LF
03/07/72
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
6D
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
9
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
78-0095
#
78-0095
#
78-0096
#
78-0096
#
78-0097
ENGINE
MODEL
DATE
TURBINE REVERSER ASSEMBLY Modification of exhaust nozzle flange, cowl
flanges and nozzle strut baffle
REVISION 1
6
LF
05/19/72
6
LF
12/26/72
FAN REVERSER SYSTEM - Addition of
Pneumatic Drive Motor Shuttle Valve Filter
REVISION 1
6D
LF
02/22/72
6D
LF
06/16/72
#
TURBINE REVERSER ASSEMBLY Modification of stow switch and addition of
upper gearbox flange to dimensionally locate
the stow switch
6
LF
04/15/72
78-0100
#
EXHAUST SECTION - Fan Reverser
Assembly -Introduction of washers for lower
wall duct assembly shear-bolt
6D
LF
04/24/72
78-0101
#
FAN REVERSER ASSEMBLY - Introduction of 6D
increased length bolt for actuator mounting
brackets
LF
03/17/72
78-0102
*#
TURBINE REVERSER - Replacement Exhaust 6
Nozzle Cowls and Exhaust Nozzle Cowl
Flanges (Baffle Plates)
PI
05/15/72
78-0103
#
LF
10/18/72
78-0103
#
FAN REVERSER ASSEMBLY - Modification of 6D
L/H Fan Reverser Lower Latches on Units
prior to S/N 467-163 to Lower Latches on R/H
Units S/N 464-163 and up
REVISION 1
6D
LF
04/05/73
78-0104
#
LF
10/18/72
78-0104
#
FAN REVERSER ASSEMBLY - Modification of 6D
R/H Fan Reverser Lower Latches on Units
prior to S/N 464-163 to provide compatibility
with the Lower Latches on L/H Units S/N 467162 and up
REVISION 1
6D
LF
04/05/73
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
10
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
ENGINE
MODEL
DATE
78-0105
#
FAN REVERSER - Duct Sidewall Lower-Wear
Strip
6D
LF
05/04/72
78-0106
*#
FAN REVERSER ASSEMBLY - Replacement
Mounting Ring Latch Assembly, P/N
9036M51G27 and P/N 9036M51G28
6D
PI
06/01/72
78-0107
*#
EXHAUST SYSTEM - Replacement Turbine
Reverser Components
6
PI
04/21/72
78-0109
*#
FAN REVERSER ASSEMBLY - Replacement
Aft Access Door, P/N 9071M77G08
6D
PI
05/31/72
78-0110
#
6D
LF
07/05/72
78-0110
#
FAN REVERSER ASSEMBLY - Translating
cowl (W/O Air Seal)
REVISION 1
6D
LF
10/13/72
78-0111
*#
FAN REVERSER - Addition of Alternate Shims 6D
for Deflection Limiter
PI
06/05/72
78-0112
#
TURBINE REVERSER - Introduction of
Exhaust Nozzle Cowls and Inco 625 Heat
Shields with Standard Nut Plates and
Compatible Covers and Bolts
6
LF
08/25/72
78-0114
*#
TURBINE REVERSER ASSEMBLY Introduction of Transfairing Assembly, P/N
9075M17G05
6
PI
10/20/72
78-0115
*#
TURBINE REVERSER - Replacement latch
pins P/N 9075M42P01 and P/N 9075M42P02
6
PI
06/28/72
78-0116
#
FAN REVERSER ASSEMBLY - Replacement
forward radial deflector beam screws P/N
NAS6103U13
6D
LF
06/28/72
78-0117
#
EXHAUST SYSTEM - Fan Reverser Assembly 6D
- Rework of forward access door trim to
eliminate interference
LF
06/21/72
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
11
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
ENGINE
MODEL
DATE
78-0117
#
REVISION 1
6D
LF
08/23/72
78-0118
#
FAN REVERSER ASSEMBLY - Incorporation
of a mid span support in deflector beam
6D
LF
07/11/72
78-0119
*#
6
PI
07/13/72
78-0119
*#
TURBINE REVERSER ASSEMBLY Introduction of detail parts for Latch Assembly,
P/N 9075M33G01 and 9075M33G02
REVISION 2
6
PI
10/03/72
78-0120
*#
TURBINE REVERSER - Introduction of SPAD
Parts for Use in Translating Fairing Skin
Repair
6
PI
07/20/72
78-0121
#
TURBINE REVERSER SYSTEM - Introduction 6
of washer to retain the ballscrew actuator
insulation extension tube
LF
06/23/72
78-0122
#
TURBINE REVERSER SYSTEM - Introduction 6
of interconnecting flex drive shaft with
impregnated core lubrication
LF
07/06/72
78-0123
#
6
LF
07/10/72
78-0123
78-0123
#
#
EXHAUST SYSTEM - Fan Reverser System Replacement Pneumatic Drive Motor Filter
Screen Assy. and Shuttle Valve
REVISION 1
REVISION 2
6
6
LF
LF
07/26/72
09/22/72
78-0124
#
FAN REVERSER ASSY - Rework of Feedback 6D
Fireseal and Change in Feedback Mechanism
Hardware
LF
07/14/72
78-0125
#
FAN REVERSER ASSEMBLY - Latch Ring
and Latch Modifications
6D
LF
07/17/72
78-0126
#
EXHAUST SYSTEM - Improved Forward Air
Tube Knuckle Joint
6D
LF
07/20/72
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
12
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
78-0127
*#
78-0127
*#
78-0128
#
78-0128
78-0128
78-0128
#
#
#
78-0129
#
78-0129
78-0129
78-0129
#
#
#
78-0130
#
78-0130
#
78-0131
#
78-0131
78-0131
#
#
78-0132
FAN REVERSER ASSEMBLY - Replacement
support structure assemblies
REVISION 1
ENGINE
MODEL
DATE
6D
PI
07/31/72
6D
PI
09/11/72
FAN REVERSER ASSEMBLY - Flex Drive
Shaft Retainer and Stiffener
REVISION 1
REVISION 2
REVISION 3
6D
LF
07/14/72
6D
6D
6D
LF
LF
LF
08/08/72
10/18/72
06/29/73
FAN REVERSER SYSTEM - Pneumatic Drive
Motor Rework
REVISION 1
REVISION 2
REVISION 3
6D
LF
07/25/72
6D
6D
6D
LF
LF
LF
08/08/72
09/15/72
02/09/73
FAN REVERSER AND TURBINE REVERSER 6
SYSTEM - Initial inspection to establish
periodic maintenance plan
REVISION 1
6
LF
08/23/72
LF
10/10/72
FAN REVERSER SYSTEM - Actuator (Cowl
Door) - Clevis Bolt and Nut replacement
REVISION 1
REVISION 2
6D
LF
08/17/72
6D
6D
LF
LF
12/26/72
04/15/74
#
FAN REVERSER ASSEMBLY - Interlock Latch 6D
Modification and Adjustable Interlock Handle
LF
08/21/72
78-0133
*#
FAN REVERSER ASSEMBLY - Deflector
Limiter Tube Replacement
6D
PI
08/23/72
78-0134
*#
TURBINE REVERSER ASSEMBLY Improved Gimbal Bushings for Gearboxes
6
PI
08/22/72
78-0135
*#
TURBINE REVERSER - Replacement
ballscrew actuator VIN 121402-4 (GE P/N
9039M17P07)
6
PI
08/23/72
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
13
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
ENGINE
MODEL
DATE
78-0135
*#
REVISION 1
6
PI
09/20/72
78-0136
#
6
LF
08/25/72
78-0136
#
TURBINE REVERSER ASSEMBLY - Ball
Screw Actuator Heat Shield Rework
REVISION 2
6
LF
10/31/72
78-0137
#
6
LF
08/29/72
78-0137
#
TURBINE REVERSER - Modification of
Gearbox Heat Shields, Actuator Covers, Heat
Shields, Latch Covers and Addition of Oil Fill
Provision
REVISION 3
6
LF
11/29/72
78-0139
*#
FAN REVERSER ASSEMBLY - Lower "Mini"
Blocker Door
6D
PI
09/22/72
78-0140
#
6D
CP
09/22/72
78-0140
#
FAN REVERSER ASSEMBLY - Rework of
Relocate Clamps
REVISION 1
6D
LF
01/19/73
78-0141
#
FAN REVERSER SYSTEM - Introduction of
Fan Reverser Fireseal Covers, P/N
9020M88P01 and P/N 9020M88P02
6D
LF
10/04/72
78-0142
*#
TURBINE REVERSER - Replacement
Synchro-Shaft Seal Retainers
6D
PI
10/03/72
78-0143
#
EXHAUST SECTION - Introduction of
Pneumatic Drive Motor, P/N 9067M20P03
6D
LF
10/10/72
78-0144
#
FAN REVERSER SYSTEM - Upper Fireshield
Cover Rework
6D
LF
10/11/72
78-0145
*#
FAN REVERSER ASSEMBLY - Replacement
Forward and Aft Acoustical Panels
6D
PI
11/01/72
78-0146
*#
6D
PI
01/04/73
78-0146
78-0146
*#
*#
FAN REVERSER ASSEMBLY - Replacement
support structures and associated hardware
REVISION 1
REVISION 2
6D
6D
PI
PI
02/01/73
06/25/73
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
14
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
ENGINE
MODEL
DATE
78-0146
78-0146
*#
*#
REVISION 3
REVISION 4
6D
6D
PI
PI
03/28/74
05/23/75
78-0147
*#
PI
01/12/73
78-0147
*#
FAN REVERSER ASSEMBLY - Replacement 6D
Support Structures, P/N 9059M50G49 and P/N
9059M50G50
REVISION 1
6D
PI
11/11/74
78-0148
#
6D
CP
11/01/72
78-0148
78-0148
78-0148
78-0148
#
#
#
#
6D
6D
6D
6D
CP
CP
CP
CP
12/06/72
05/18/73
04/16/74
10/04/74
78-0149
*#
FAN REVERSER ASSEMBLY - Replacement 6D
Support Structures, P/N 9059M50G51 and P/N
9059M50G52 and Recoup Duct Seal, P/N
9077M17G01
PI
01/18/73
78-0150
#
LF
11/22/72
78-0150
#
FAN REVERSER AND TURBINE REVERSER 6
SYSTEM - Throttle Interlock Valve Rework
REVISION 1
6
LF
05/09/74
78-0151
#
FAN REVERSER ASSEMBLY - Replacement
of bolts, P/N NAS6304-7, with a longer bolt
6D
LF
12/19/72
78-0152
*#
FAN REVERSER ASSEMBLY - Introduction of 6D
Translating Cowls, P/N 9007M60G27 and P/N
9007M60G28
PI
01/08/73
78-0153
#
GENERAL - Fan Reverser Feedback System
Inspection
CP
11/15/72
78-0154
*#
FAN REVERSER ASSEMBLY - Introduction of 6D
Translating Cowls, P/N 9007M60G23 and P/N
9007M60G24
PI
01/12/73
GENERAL - Improvement for Fan Reverser
Forward Latch Ring Assembly and U-Bolt
Retainer
REVISION 1
REVISION 2
REVISION 3
REVISION 4
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
6D
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
15
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
78-0155
#
78-0156
#
78-0157
*#
78-0158
FAN REVERSER ASSEMBLY - Rework of
outer support assembly forward flange and
support ring
FAN REVERSER ASSEMBLY - Rework of
forward access door, P/N 9071M77G10
ENGINE
MODEL
DATE
6D
LF
01/08/73
6D
CP
12/20/72
FAN REVERSER ASSEMBLY - Introduction of 6D
Translating Cowl Bracket Seal, P/N
9007M60P25A and Bracket, P/N
9007M60P27A and associated hardware
PI
12/26/72
*#
FAN REVERSER ASSEMBLY - Introduction of 6D
New Design Blocker Doors and Sound Panels
PI
01/08/73
78-0159
*#
TURBINE REVERSER ASSEMBLY Introduction of Exhaust Nozzle, P/N
9034M65G14
PI
12/19/72
78-0160
*#
FAN REVERSER ASSEMBLY - Introduction of 6D
SPAD Parts for repair of CF6-6 Fan Reversers
PI
02/09/73
78-0161
*#
TURBINE REVERSER ASSEMBLY Introduction of Translating Fairing, P/N
9034M83G04, and Cam Roller Guides, P/N
9034M27P12 and 9034M27P13
PI
1226/72
78-0162
*#
FAN REVERSER ASSEMBLY - Introduction of 6D
Translation Cowl Guides P/N 9019M14G02
and P/N 9019M14G04, and associated
hardware
PI
01/08/73
78-0163
#
6D
CP
12/04/72
78-0164
*#
COWL DOOR OPENING SYSTEM Inspection of Cowl Door Power Opening
Actuator
FAN REVERSER ASSEMBLY - F/R Latch
Ring Spacer Material Change
6D
PI
12/21/72
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
6
6
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
16
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
78-0165
#
78-0165
78-0165
#
#
78-0166
#
78-0166
#
78-0167
FAN REVERSER SYSTEM - Replacement of
Fan Reverser Feedback Guide Bracket, P/N
9037M20G01 (Identified with Vendor Code
Number V98391)
REVISION 1
REVISION 2
ENGINE
MODEL
DATE
6D
CP
12/18/72
6D
6D
CP
CP
01/26/73
06/31/74
TURBINE REVERSER SYSTEM - Introduction 6
of Improved Stow Switch, VIN CG12602 (GE
P/N 9056M52P07)
REVISION 1
6
LF
12/20/72
LF
01/12/73
#
TURBINE REVERSER ASSEMBLY Introduction of Sheet Metal Exhaust Nozzle
Cowl and Rework of Deflector Stops
LF
02/26/73
78-0168
*#
FAN REVERSER - Replacement forward latch 6D
ring assemblies, P/N 9036M51G23 and P/N
9036M51G24
PI
01/29/73
78-0169
*#
FAN REVERSER AND TURBINE REVERSER 6
SYSTEM - Release of SPADs
PI
03/01/73
78-0170
*#
TURBINE REVERSER SYSTEM - Introduction 6
of interconnecting flex drive shaft assembly
VIN 121248-6 (GE P/N 9126M65P01)
PI
01/23/73
78-0171
*#
COWL DOOR OPENING SYSTEM Introduction of Actuator V/I/N 4229100-7 (GE
P/N 9039M26P07) and V/I/N 4229100-8 (GE
P/N 9039M26P08)
6D
PI
01/22/73
78-0172
*#
FAN REVERSER ASSEMBLY - Introduction of 6D
Alternate Loop Clamps at Specific Locations
PI
03/26/73
78-0173
#
6D
CP
02/22/73
78-0173
#
COWL DOOR POWER OPENING SYSTEM Installation of Actuator Sleeve Stop
REVISION 1
6D
CP
03/16/73
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
6
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
17
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
78-0174
*#
78-0175
#
78-0176
ENGINE
MODEL
DATE
FAN REVERSER ASSEMBLY - Introduction of 6D
Translating Cowl Tee Hinge, P/N
9019M16G04
EXHAUST SYSTEM - Translating Cowl Hinge 6D
Bushing Retention
PI
03/09/73
LF
03/15/73
#
FAN REVERSER - Modification of pneumatic
drive motor to blank-off the oil level sight gage
6D
LF
03/07/73
78-0177
#
6
LF
03/13/73
78-0177
#
TURBINE REVERSER SYSTEM - Installation
of Turbine Reverser Deactivation Bracket
REVISION 1
6
LF
05/14/74
78-0178
*#
FAN REVERSER ASSEMBLY - Actuator
Mounting Bracket and Additional Hardware
6D
PI
11/20/81
78-0179
#
FAN REVERSER ASSEMBLY - Rear Access
Door Drain Hole
6D
LF
04/16/73
78-0180
#
TURBINE REVERSER - Inspection/rework of
upper translating covers, P/N 9034M86G05
6
LF
04/30/73
78-0181
#
FAN REVERSER ASSEMBLY - Support
Assembly Forward Inner Ring Rework to
Prevent Potential Interference
6D
LF
05/02/73
78-0182
*#
6
PI
08/13/73
78-0182
*#
TURBINE REVERSER ASSEMBLY Introduction of new fairing assembly featuring
radius doubler
REVISION 2
6
PI
02/10/75
78-0183
#
FAN REVERSER ASSEMBLY - Modification of 6D
outer ring (SPADs)
LF
05/08/73
78-0184
#
FAN REVERSER SYSTEM - Forward latch
ring brace and shim rework
LF
04/02/73
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
6D
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
18
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
ENGINE
MODEL
DATE
78-0185
*#
FAN REVERSER ASSEMBLY - Introduction of 6
Improved Turbine Reverser Cooling Tube
Insulation with Lockwire Capstans Added
PI
05/08/73
78-0186
#
TURBINE REVERSER ASSEMBLY Inspection/replacement of support beams
LF
05/04/73
78-0187
*#
FAN REVERSER ASSEMBLY - Introduction of 6D
the Upper Latch Release Cable
PI
05/17/73
78-0189
#
LF
06/19/73
78-0189
#
FAN REVERSER - Rework of upper and lower 6D
outer corner fairings
REVISION 1
6D
LF
08/01/74
78-0190
#
CP
06/19/73
78-0191
#
LF
07/10/73
78-0191
#
FAN REVERSER SYSTEM - Addition of
6D
Placard with Fan Reverser Opening
Instructions
TURBINE REVERSER SYSTEM - Modification 6
of the T/R drive system to increase the load
capability
REVISION 1
6
LF
05/10/74
78-0194
#
FAN REVERSER ASSEMBLY - Introduction of 6D
Finger Bracket, P/N 9007M60P027B, on
Translating Cowl Assembly
LF
10/03/73
78-0195
#
6D
CP
10/22/73
78-0195
78-0195
78-0195
78-0195
#
#
#
#
FAN REVERSER ASSEMBLY - Feedback
Bracket Assembly Rework
REVISION 1
REVISION 2
REVISION 3
REVISION 4
6D
6D
6D
6D
CP
CP
CP
CP
11/21/73
04/22/74
12/03/74
04/18/75
78-0196
#
6
LF
10/23/73
78-0196
#
6
LF
11/11/74
78-0197
#
TURBINE REVERSER ASSEMBLY - Deflector 6
Mounting Hardware
LF
11/07/73
TURBINE REVERSER ASSEMBLY - Rework
of cooling tube Insulation Blankets
REVISION 1
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
6
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
19
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
78-0197
#
REVISION 2
78-0198
*#
78-0199
#
78-0199
#
78-0200
ENGINE
MODEL
LF
05/24/74
FAN REVERSER ASSEMBLY - Introduction of 6D
Bolt, P/N NAS6103U14 and Washer, P/N
AN960PD10L for Deflector Beam
PI
09/13/73
TURBINE REVERSER ASSEMBLY Replacement of Support Beam Mounting
Screws and Rework of Oil Fill Kit Bolt
REVISION 1
6
LF
09/28/73
6
LF
05/09/74
*#
PNEUMATIC DRIVE UNIT - Incorporation of
Vendor Product Improvements
6
PI
10/10/73
78-0201
#
TURBINE REVERSER SYSTEM - Modification 6
of the Turbine Reverser Upper and Lower
Angle Gearboxes to Increase Clearances in
the Vertical Gimbal Bushing Assembly to
Minimize Binding
LF
10/11/73
78-0202
#
6
CP
11/21/73
78-0202
78-0202
78-0202
78-0202
#
#
#
#
FAN REVERSER ASSEMBLY - Translating
Cowl Tee Hinge Inspection/Replacement
REVISION 1
REVISION 2
REVISION 3
REVISION 4
6
6
6
6
CP
CP
CP
CP
02/01/74
05/13/74
12/13/74
08/27/75
78-0203
#
6
LF
11/21/73
78-0203
#
EXHAUST SYSTEM - Turbine Reverser
Deactivation
REVISION 1
6
LF
06/04/74
78-0204
#
6
LF
10/26/73
78-0204
78-0205
#
#
6
6D
LF
CP
08/14/74
02/04/74
78-0205
78-0205
#
#
UPPER GEARBOX ASSEMBLY - Recontour
of Heat Shield Stow Switch Opening In Upper
Gearbox
REVISION 3
FAN REVERSER ASSEMBLY - Rework of
Translating Cowl Guide/Bracket
REVISION 1
REVISION 2
6D
6D
CP
CP
05/10/74
10/23/74
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
6
DATE
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
20
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
ENGINE
MODEL
DATE
78-0205
#
REVISION 3
6D
CP
08/29/75
78-0207
#
LF
11/19/73
78-0207
#
FAN REVERSER SYSTEM - Inspection/
6D
Replacement of Overpressure and Shutoff
Valve Assembly Pressure Sensing Line (Tube)
REVISION 1
6D
LF
01/21/74
78-0208
#
TURBINE REVERSER ASSEMBLY Translating Fairing Aft Wear Pad Rework
6
LF
12/04/73
78-0210
#
LF
12/04/73
78-0210
#
TURBINE REVERSER SYSTEM - Introduction 6
of 5/16 inch Flexshaft VIN 121248-8 (GE P/N
9126M65P02) and associated clamps
REVISION 1
6
LF
05/10/74
78-0211
#
TURBINE REVERSER SYSTEM Inspection/Replacement of Turbine Reverser
Electrical Cables with Damaged Ceramic
Insulator in the Cable Connector
6
LF
12/26/73
78-0212
#
6
LF
09/10/74
78-0212
#
TURBINE REVERSER SYSTEM - Turbine
Reverser Electrical Harnesses with Improved
Lead
REVISION 2
6
LF
06/06/75
78-0214
#
6
LF
12/21/73
78-0214
78-0214
#
#
TURBINE REVERSER ASSEMBLY Translating Actuator Cover Rework
REVISION 1
REVISION 2
6
6
LF
LF
02/04/74
05/07/74
78-0215
#
6
LF
01/31/74
78-0215
#
6
LF
05/20/74
78-0216
#
CP
01/11/74
78-0216
#
CP
05/03/74
TURBINE REVERSER ASSEMBLY - Turbine
Reverser Visual Stow Indicator
REVISION 1
FAN REVERSER ASSEMBLY - Introduction of 6D
Translating Cowl Main Airseal, P/N
915M45P01 and Seal Brackets, P/N
9007M60P263 or P/N 9007M60P264M
REVISION 1
6D
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
21
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
ENGINE
MODEL
DATE
78-0216
#
REVISION 2
6D
CP
09/04/74
78-0217
#
6
LF
03/04/74
78-0217
#
TURBINE REVERSER SYSTEM - Ballscrew
and Gearbox Actuator Modification
REVISION 3
6
LF
06/12/75
78-0218
#
FAN REVERSER SYSTEM - Addition of
Bracket and Clamp to Prevent Misassembly of
Feedback Stow Electrical Leads
6D
LF
12/27/73
78-0219
#
6
CP
05/10/74
78-0219
#
FAN REVERSER SYSTEM - Improved Screw
Retention, Cover Plate Witness Holes, and
Paint
REVISION 1
6
CP
05/24/74
78-0220
#
FAN REVERSER ASSEMBLY - Introduction of 6
Deflection Limiter with Bolted On Pad
LF
04/17/74
78-0221
#
TURBINE REVERSER ASSEMBLY Introduction of Stow Switch with Gold Bonded
Contacts
6
LF
04/30/74
78-0223
#
ELECTRICAL SYSTEM - Installation of
Bracket Clamp and Hardware for Support of
Aft Electrical Cable P/N 9067M55P02 thru
9067M55P04
6D
LF
01/30/74
78-0224
*#
FAN REVERSER ASSEMBLY - Introduction of 6
Blowout Door Hinge SPAD, P/N 3040M53G01
and Deletion of Translating Cowl Bracket,
SPAD, P/N 3038M76P01
PI
05/02/74
78-0225
#
6
LF
06/19/74
78-0226
#
TURBINE REVERSER ASSEMBLY Crossover Cooling Tube Modification to
Prevent Its Disengagement from Cooling
Compartments
FAN REVERSER SYSTEM - Center Gearbox
Lockout Cover Modification
6
CP
02/28/75
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
22
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
ENGINE
MODEL
DATE
78-0226
#
REVISION 1
6
CP
05/05/75
78-0227
#
6
CP
06/05/75
78-0227
78-0227
78-0227
#
#
#
FAN REVERSER SYSTEM - Main Drive Cable
Routing Change
REVISION 1
ADDENDUM 1
REVISION 2
6
6
6
CP
CP
CP
12/04/75
03/05/81
04/19/76
78-0228
#
6
LF
06/18/74
78-0228
#
6
LF
10/22/74
78-0229
#
FAN REVERSER SYSTEM - Translating Cowl
Blocker Door Clevis Bolt Length Changes
6
LF
07/22/74
78-0230
#
FAN REVERSER ASSEMBLY - Installation of
Stabilizing Brackets and Rework of Actuator
Mount
6
LF
11/20/74
78-0231
*#
FAN REVERSER ASSEMBLY - Tee Track
Nylatron Wear Sleeve Fastener Pattern
Spacing Change
6
PI
10/22/74
78-0232
*#
TURBINE REVERSER ASSEMBLY - Mounting 6
Bolt and Nut Material and Grip Length Change
PI
09/13/74
78-0233
#
6
CP
12/02/74
78-0233
78-0233
#
#
FAN REVERSER ASSEMBLY - Addition of
Shims to Feedback Electrical Switch
REVISION 1
ADDENDUM 1
6
6
CP
CP
04/14/75
07/02/75
78-0236
#
FAN REVERSER ASSEMBLY - Incorporation 6
of Fan Reverser Precooler Seal Assembly Bolt
Change
LF
10/08/74
78-0237
#
FAN REVERSER ASSEMBLY - Aft Access
and Blow-Out Door Stiffener Hat Section Edge
Trim
LF
10/28/74
FAN REVERSER ASSEMBLY - Incorporation
of Translating Cowl Stencil for Ease of
Identification
REVISION 1
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
6
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
23
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
78-0238
#
78-0238
#
78-0239
#
78-0239
#
78-0240
*#
78-0241
#
78-0241
#
78-0242
#
78-0242
78-0242
#
#
78-0243
#
78-0244
ENGINE
MODEL
FAN REVERSER ASSEMBLY - Modification of 6
Throttle Interlock Valve V/I/N 397860-3 (GE
P/N 9037M89P02)
REVISION 1
6
DATE
LF
02/11/75
LF
08/17/76
6
LF
02/17/75
6
LF
06/06/75
FAN REVERSER ASSEMBLY - Latch
Mounting Ring SPAD Replacement with
Production Part
6
PI
03/24/75
FAN REVERSER ASSEMBLY - Addition of
Insulation Material to Lower Duct Sidewall
REVISION 1
6
LF
11/21/74
6
LF
04/07/75
6
LF
12/20/74
6
6
LF
LF
06/17/77
03/08/78
FAN REVERSER COWL DOOR POWER
OPENING SYSTEM - Inspection of Ballscrew
Actuator Deflector Screw Holes
6
CP
12/26/74
*#
FAN REVERSER SYSTEM - Introduction of
Improved Feedback Switch
6
PI
06/09/75
78-0245
#
6
LF
06/25/75
78-0246
#
6
LF
01/08/76
78-0247
#
FAN REVERSER ASSEMBLY - Translating
Cowl Upper and Lower Aft Fairing (Beaver
Trail)
TURBINE REVERSER ASSEMBLY Inspection and/or Repair of Exhaust Nozzle
and Exhaust Nozzle Cowl
FAN REVERSER ASSEMBLY - Translating
Cowl Inner Bondment Rework
6
LF
05/16/75
FAN REVERSER SYSTEM - Replacement
Feedback Electrical Harness
REVISION 1
FAN REVERSER SUPPORT ASSEMBLY Addition of Zee Rings to Provide Increased
Inner Cowl Stiffness
REVISION 1
REVISION 2
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
24
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
ENGINE
MODEL
DATE
78-0247
#
REVISION 1
6
LF
10/05/77
78-0251
#
6
CP
07/28/75
78-0251
78-0251
#
#
EXHAUST SYSTEM - Fan Reverser Cowl
Door Power Opening System - Inspection of
Ballscrew Actuator Ball Return Tube Hold
Down Strap
REVISION 1
REVISION 2
6
6
CP
CP
08/21/75
09/22/75
78-0252
#
6
LF
07/31/75
78-0252
#
6
LF
01/07/76
78-0253
#
6
LF
07/30/75
78-0253
#
6
LF
01/07/76
78-0254
#
FAN REVERSER ASSEMBLY - Transcowl
Airseal Rework for S/Ns R467/464-105 and 106 and Change to Revenue Service Status
6
LF
08/27/75
78-0255
#
LF
10/31/75
78-0255
#
FAN REVERSER ASSEMBLY - Incorporation 6
of Fire Protection Coating and Steel Wear Strip
REVISION 1
6
LF
07/21/77
78-0256
#
FAN AND TURBINE REVERSERS - Rework
of the Pressure Regulating and Shutoff Valve
Assembly
6
LF
02/20/76
78-0257
#
Corner Door Opening System Actuator
Inspection and Update
6
CP
11/12/75
78-0259
#
LF
07/08/76
78-0259
78-0259
#
#
FAN REVERSER ASSEMBLY - Modification of 6
Feedback Assemblies to Incorporate Anti-Roll
and Rigging Features
REVISION 1
6
REVISION 2
6
LF
LF
03/24/77
12/11/78
FAN REVERSER - Pressure Regulator and
Shutoff Valve Actuator Tube Replacement
REVISION 1
FAN REVERSER - Addition of Belleville
Washers and Doublers to the Pressure
Regulator Valve Actuator Flange
REVISION 1
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
25
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
ENGINE
MODEL
DATE
78-0259
#
REVISION 3
6
LF
10/15/79
78-0260
*#
FAN REVERSER ASSEMBLY - Fan Reverser
Blocker Door SPADs
6
PI
12/11/75
78-0261
#
6
LF
03/19/76
78-0261
78-0261
78-0261
78-0261
#
#
#
#
FAN REVERSER COWL DOOR POWER
OPENING SYSTEM - Replacement of the
Existing Mechanical System with a Hydraulic
System
REVISION 1
REVISION 2
REVISION 3
REVISION 4
6
6
6
6
LF
LF
LF
LF
07/12/76
09/13/77
01/12/79
02/25/80
78-0262
*#
TURBINE REVERSER ASSEMBLY - Alternate 6
Longer Mounting Screws for Upper and Lower
Fixed Covers
LF
01/13/76
78-0263
*#
TURBINE REVERSER ASSEMBLY Replacement of Translating Cover Mounting
Bolts
6
PI
03/04/76
78-0264
#
6
LF
03/17/77
78-0264
#
FAN REVERSER (F/R) ASSEMBLY Modification of Over-pressure and Shutoff
Valve Assy to Incorporate a Closed Position
Switch
REVISION 1
6
LF
09/09/77
78-0266
#
6
LF
05/04/76
78-0266
#
6
LF
06/04/76
78-0268
#
FAN REVERSER ASSEMBLY - Precooler
Seal Length Increase
6
LF
05/03/76
78-0269
*#
6
PI
08/13/76
78-0269
*#
FAN REVERSER SYSTEM - Replacement
Translating Cowl Having Improved Corrosion
Resistance
REVISION 1
6
PI
09/29/76
FAN REVERSER ASSEMBLY - Rework of
Cable Support, P/N 9036M77P01
REVISION 1
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
26
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
ENGINE
MODEL
DATE
78-0269
*#
REVISION 2
6
PI
01/21/80
78-0270
*#
6
PI
12/20/76
78-0270
78-0270
*#
*#
FAN REVERSER - Electrical Harness
Rerouting
REVISION 1
REVISION 2
6
6
PI
PI
10/10/78
08/29/79
78-0271
*#
TURBINE REVERSER - Improved Actuator
Compartment Seals
6
PI
02/17/77
78-0272
#
TURBINE REVERSER - Modification of Upper 6
Actuator Cover to Replace the Oil Fill Plug with
a “Swing” Plate
LF
02/17/77
78-0273
#
FAN REVERSER (F/R) COWL DOOR
OPENING SYSTEM - Inspection of Hydraulic
System Male Quick Disconnect (QD) Fitting
6
CP
02/25/77
78-0275
*#
6
PI
11/01/77
78-0275
78-0275
*#
*#
FAN REVERSER ASSEMBLY - Introduction
Lower Pylon Seals
REVISION 1
REVISION 2
6
6
PI
PI
01/18/78
12/08/78
78-0276
#
6
LF
10/18/77
78-0276
#
6
LF
03/06/79
78-0277
#
FAN REVERSER - Inspection of Hydraulic
Power Door Opener System's Hydraulic
Tubing for Interference and Wear
6
CP
11/15/77
78-0278
#
6
LF
02/20/78
78-0278
#
FAN REVERSER - Modified Feedback
Indicating Switches to Improve Maintainability
REVISION 1
6
LF
12/14/79
78-0279
#
6
LF
04/10/78
FAN REVERSER - Rework of the Precooler
Duct Flange Clip Seal
REVISION 1
FAN REVERSER ASSEMBLY - Incorporation
of Anti-Rotation Brackets to Left Hand Latch
Housings
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
27
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
ENGINE
MODEL
DATE
78-0279
#
REVISION 1
6
LF
05/25/79
78-0280
*#
6
PI
01/11/79
78-0280
78-0280
#
#
FAN REVERSER ASSEMBLY - Rework of
Pneumatic Drive Motor Assembly
REVISION 1
REVISION 2
6
6
LF
LF
09/22/79
01/03/80
78-0281
#
FAN REVERSER SYSTEM - "L" SEAL
Reintroduction
6
LF
01/10/79
78-0282
#
EXHAUST SYSTEM - Pressure Regulator
Valve - Rework of Actuator Body Assembly
6
LF
04/06/79
78-0283
#
6
LF
01/23/80
78-0283
#
FAN REVERSER - New Power Door Opening
Hydraulic Tubes and Routing Change
CANCELLATION NOTICE
78-0284
#
78-0284
#
78-0286
#
EXHAUST - Fan Reverser (F/R) System Pneumatic Drive Motor Temperature Warning
Tag Replacement
78-0287
#
78-0289
6
FAN REVERSER ASSEMBLY - Introduction of 6
New Feedback Bracket and Alternate
Feedback Bracket Shield
REVISION 1
6
07/21/82
LF
10/15/79
LF
11/14/82
6
LF
01/29/80
FAN REVERSER - Hydraulic Power Door
Opening Rod End Support
6
LF
01/26/81
#
TURBINE REVERSER ASSEMBLY - “D”
Sump Tube/Flame Arrestor Rework
6
LF
07/31/80
78-0290
#
6
LF
02/10/81
78-0290
#
FAN REVERSER - Directional Pilot Solenoid
Valve
REVISION 1
6
LF
09/05/84
78-0291
#
ENGINE - Exhaust System - Fan Reverser
Actuation System - Inspection and
Replacement of Gearbox Drive Shaft
6
LF
01/16/81
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
28
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
ENGINE
MODEL
DATE
78-0291
78-0291
#
#
REVISION 1
REVISION 2
6
6
LF
LF
01/26/81
02/13/81
78-0293
#
EXHAUST SYSTEM - Fan Reverser Sound
Panels - Washer Replacement
6
LF
02/25/81
78-0294
#
6
CP
05/14/81
78-0294
#
EXHAUST SYSTEM - Fan Reverser
Replacement of Ball and Screw Actuator
Assemblies CAMPAIGN CHANGE
PREREQUISITE S/B 78-291
REVISION 1
6
CP
07/13/81
78-0295
*#
6
PI
07/22/81
78-0295
78-0295
78-0295
#
#
#
6
6
6
LF
LF
LF
08/26/82
11/01/84
03/29/85
78-0297
*#
FAN REVERSER - Annealed Blow-out Door
Cable
6
PI
09/25/81
78-0300
#
6
LF
01/29/82
78-0300
#
EXHAUST SYSTEM - Short "D" Sump Vent
Tube Rework
REVISION 1
6
LF
05/18/82
78-0302
*#
EXHAUST SYSTEM - Fan Reverser - Caution
Label Added to Latch Handle
6
PI
08/20/82
78-0303
#
6
LF
08/20/82
78-0303
#
EXHAUST SYSTEM - Fan Reverser Modification of Aft End of Feedback Rod
REVISION 1
6
LF
06/03/83
78-0304
#
LF
08/12/83
78-0304
#
EXHAUST SYSTEM - Fan Reverser - Deletion 6
of High-Speed Limiter and Anti-Icing Covers
from Pneumatic Drive Motor
REVISION 1
6
LF
06/12/89
78-0305
#
LF
12/03/82
EXHAUST SYSTEM - Fan Reverser Regulator
Valve Improvement
REVISION 1
REVISION 2
REVISION 3
ENGINE - EXHAUST SYSTEM - SEALING
OVERBOARD NACELLE LEAKAGE
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
6
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
29
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
ENGINE
MODEL
DATE
78-0305
78-0305
#
#
REVISION 1
REVISION 2
6
6
LF
LF
02/25/83
09/12/83
78-0306
#
EXHAUST SYSTEM - Fan Reverser - New
Throttle Interlock Return Air Tube/Hose
Assembly to Avoid Interference and Chafing
6
LF
11/10/82
78-0307
#
EXHAUST SYSTEM - Fan Reverser 6
Reworking the Aft Stop of Alleviate Hang-Up of
the Feedback Rod Guide Bracket
LF
05/31/83
78-0308
#
LF
03/30/84
78-0308
#
EXHAUST SYSTEM - Fan Reverser Assembly 6
- Introduction of 5/16 Inch Interconnecting
Flexible Driveshaft Assembly
REVISION 1
6
LF
06/22/84
78-0309
#
6
LF
03/27/84
78-0309
#
6
LF
07/27/84
78-0310
#
6
LF
04/16/84
78-0310
#
6
LF
07/27/84
78-0311
#
LF
05/15/84
78-0311
#
ENGINE EXHAUST SYSTEM - Fan Reverser - 6
Rework of Upper Sidewall Assembly
REVISION 1
6
LF
02/14/85
78-0312
#
6
LF
06/17/85
78-0312
#
6
LF
05/09/86
78-0313
#
6
LF
04/18/86
EXHAUST SYSTEM - FAN REVERSER
ASSEMBLY- Inspection of the Ballscrew
Actuator Shaft and the Gearbox Output Shaft
Nut for Looseness
REVISION 1
EXHAUST SYSTEM - FAN REVERSER
ASSEMBLY - Inspection of Ballscrew Interlock
Nut for Looseness and Tube Clamp for
REVISION 1
EXHAUST SYSTEM - Fan Reverser Translating Cowl Clevis to Aft Support Ring
Interference - Inspection/Repair
REVISION 1
EXHAUST SYSTEM - Fan Reverser Feedback Indicator Switch with Improved
Contacts
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
30
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
ENGINE
MODEL
DATE
78-0314
#
EXHAUST - Spare Parts Release for CF6-6
IPC
6
LF
09/11/86
78-0315
#
EXHAUST - Spare Parts Release of
PBI/Kevlar Loop Clamps
6
LF
02/27/87
78-0316
#
6
LF
06/08/87
78-0316
#
EXHAUST - Fan Reverser - Feedback Rod
Guide Bracket Improvement
REVISION 1
6
LF
06/17/88
78-0317
*#
EXHAUST SYSTEM - Fan Reverser - Nipple
Tube Replacement
6
PI
11/30/87
78-0318
#
EXHAUST SECTION - BALLSCREW
ACTUATOR ASSEMBLY – Introduction of an
Improved End Actuator Assembly
6
LF
07/21/88
78-0320
#
6
LF
03/15/90
78-0320
#
EXHAUST - Fan Reverser - Latch Ring
Modification
REVISION 1
6
LF
02/14/91
78-0321
#
EXHAUST SYSTEM - Pneumatic Drive Motor
Assembly - Removal of Pylon Gearbox
Reference: AlliedSignal S/B 78-1466R1
6
LF
07/31/89
78-0322
#
6
LF
08/14/89
78-0322
78-0322
78-0322
#
#
#
EXHAUST SYSTEM- Fan Reverser Actuation
System - Replacement of Gearbox Output
Drive Shafts
Reference: AlliedSignal S/Bs 78-1473R1 & 781474R1
REVISION 1
REVISION 2
REVISION 3
6
6
6
LF
LF
LF
08/13/89
01/15/90
12/14/90
78-0323
#
6
LF
07/31/89
6
LF
01/18/11
78-0323
EXHAUST - Fan Reverser - Hold-Open Rod
Inspection
REVISION 1
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
31
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
ENGINE
MODEL
DATE
78-0324
*#
ENGINE - General - Spare Parts Release for
CF6-6 Engines
6
SP
07/12/89
78-0325
#
6
LF
03/30/90
78-0325
#
EXHAUST SYSTEM - Ballscrew Actuator
Assembly - Improved Center Gearbox
Assembly
Reference: AlliedSignal S/B 78-1481
REVISION 1
6
LF
06/17/91
78-0327
#
6
LF
09/11/91
78-0327
#
6
LF
01/27/92
78-0329
*#
EXHAUST - Spare Parts Release for CF6-6
Fan Reversers
6
SP
07/24/92
78-0330
#
EXHAUST - Fan Reverser - Spare Parts
Release for CF6-6 Fan Reversers
6
SP
11/13/92
78-0332
#
EXHAUST - Angle-Actuator Thrust Reverser
Gearbox - Output Shaft - Rework
Reference: AlliedSignal S/Bs 78-1512 & 781513
REVISION 1
6
LF
07/23/93
6
LF
03/04/96
EXHAUST - Fan Reverser - Spare Parts
Release for CF6-6 Fan Reversers
6
SP
02/26/93
EXHAUST - PNEUMATIC DRIVE MOTOR Rework the Inlet Duct Pressure Filter Element
Installation and/or Rework the Brake Housing
of the Motor Housing Assembly Matched Set
Reference: AlliedSignal S/B 78-1504
REVISION 1
Reference: Honeywell S/B 78-1504R1
REVISION 2
Reference: Honeywell S/B 78-1504R2
ADDENDUM NO. 1
6
LF
04/08/96
6
LF
07/07/00
6
LF
03/01/01
6
LF
04/22/04
78-0332
78-0333
78-2001
78-2001
78-2001
78-2001
#
EXHAUST - Fan Reverser - Core Cowl
Assembly Preventative Maintenance
REVISION 1
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
32
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
78-2002
SUBJECT
ENGINE
MODEL
DATE
ENGINE EXHAUST - BALL BEARING TYPE
SCREW AND NUT - Rework Ball Bearing
Type Screw and Nut, P/N 3275506-2 to P/N
3238911-1
Reference: AlliedSignal S/B 78-1558
REVISION 1
Reference: Honeywell S/B 78-1558R1
6
LF
02/06/96
6
LF
12/07/09
78-2003
ENGINE EXHAUST - BALLSCREW
GEARBOX ASSEMBLY - Rework One Piece
(Center) Ballscrew Gearbox Assembly, P/N
3272604-1/-2, by Replacing Ball Bearing Type
Screw and Nut, P/N 121210-2/-3 or P/N
3275506-2 with P/N 3238911-1
Reference: AlliedSignal S/B 78-1559
6
LF
02/06/96
78-2004
78-2004
78A2004
EXHAUST - Fan Reverser - Health Checks
REVISION 1
REVISION 2
(ALERT SERVICE BULLETIN)
6
6
6
LF
LF
LF
03/06/96
12/18/97
02/27/09
78-2005
EXHAUST - Fan Reverser - Tee Track Wear
Strip - Replacement
6
LF
11/22/95
78-2006
ENGINE EXHAUST - BALL BEARING TYPE
SCREW AND NUT - Rework Ball Bearing
Type Screw and Nut, P/N 121210-2/-3 to P/N
3238911-1
Reference: AlliedSignal S/B 78-1556
REVISION 1
Reference: Honeywell S/B 78-1556R1
6
LF
02/06/96
6
LF
12/07/09
78-2002
78-2006
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
33
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
78-2007
SUBJECT
ENGINE
MODEL
DATE
ENGINE EXHAUST - BALLSCREW
GEARBOX ASSEMBLY - Rework One Piece
(End) Ballscrew Gearbox Assembly, P/N
3272602-1/-2/-3, by Replacing Ball Bearing
Type Screw and Nut,
P/N 121210-2/-3 or P/N 3275506-2 with
P/N 3238911-1
Reference: AlliedSignal S/B 78-1557
REVISION 1
Reference: Honeywell S/B 78-1557R1
6
LF
02/06/96
6
LF
12/07/09
78-2008
EXHAUST - Spare Parts Release for CF6-6
Fan Reversers
6
SP
09/25/96
78-2008
REVISION 1
6
SP
10/22/01
78-2009
EXHAUST - Spare Parts Release for CF6-6
Fan Reversers
6
SP
09/18/96
78-2010
EXHAUST - Spare Parts Release for CF6-6
Fan Reversers
6
SP
02/29/96
78-2011
EXHAUST - Fan Reverser - Thermal Shield
Insulation Blanket Kits P/N 46M1015-301 (LH)
and P/N 46M1016-301 (RH) - Installation of
Fire Blankets
6
LF
04/17/98
78-2012
EXHAUST - Spare Parts Release for CF6-6
Fan Reversers
6
SP
03/26/97
78-2013
EXHAUST - Spare Parts Release for CF6-6
Fan Reversers
6
SP
01/22/98
78-2014
EXHAUST - Spare Parts Release for CF6-6
Fan Reversers
6
SP
09/23/97
78-2015
EXHAUST - Spare Parts Release for CF6-6
Fan Reversers
6
SP
09/26/97
78-2007
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
34
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
ENGINE
MODEL
DATE
78-2016
EXHAUST - Spare Parts Release for CF6-6
Fan Reversers
6
SP
02/24/98
78-2017
EXHAUST - Spare Parts Release for CF6-6
Fan Reversers
6
SP
10/10/97
78-2018
EXHAUST - Spare Parts Release for CF6-6
Fan Reversers
6
SP
03/31/98
78-2019
EXHAUST - Spare Parts Release for CF6-6
Fan Reversers
6
SP
10/01/98
78-2020
EXHAUST - Spare Parts Release for CF6-6
Fan Reversers
6
SP
10/26/98
78-2021
EXHAUST – Fan Reverser – Alternate Flexible 6
Shaft Assemblies – Introduction
Reference: AlliedSignal Service Bulletin
121282-78-1586
LF
09/21/99
78-2022
EXHAUST - Spare Parts Release for CF6-6
Fan Reversers
6
SP
01/12/01
78-2023
EXHAUST - Spare Parts Release for CF6-6
Fan Reversers
6
SP
05/15/01
78-2024
EXHAUST – Fan Reverser – Documentation of 6
Mounting Hardware for an Electromechanical
Thrust Reverser Actuation System (TRAS)
Lock for Boeing DC-10-10 Airplanes –
Introduction
[RESTRICTED DISTRIBUTION]
REVISION 1 [RESTRICTED DISTRIBUTION] 6
LF
03/20/00
LF
09/01/00
EXHAUST – Fan Reverser – Documentation of 6
an Electromechanical Thrust Reverser
Actuation System (TRAS) Lock for Boeing DC10-10 Airplanes – Activation
[RESTRICTED DISTRIBUTION]
LF
03/20/00
78-2024
78-2025
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
35
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
ENGINE
MODEL
DATE
78-2025
REVISION 1 [RESTRICTED DISTRIBUTION]
6
LF
09/01/00
78-2026
EXHAUST – Fan Reverser – Addition of
Drainage Holes in TRAS Lock Pneumatic
Tubes
6
LF
10/18/02
78-2027
EXHAUST - Spare Parts Release for CF6-6
Fan Reversers
6
SP
10/04/01
78A2028
EXHAUST – Fan Reverser – Directional Pilot
Valve – Inspection (DC-10 and MD-10
Airplanes) (ALERT SERVICE BULLETIN)
Reference: Honeywell Service Bulletin
121332-78-1621
6
LF
07/31/02
78-2029
EXHAUST - Spare Parts Release for CF6-6
Fan Reversers
6
SP
06/04/02
78-2030
EXHAUST - Spare Parts Release for CF6-6
Fan Reversers
6
SP
12/16/02
78-2031
EXHAUST - Fan Reverser – Rework
Directional Pilot Valve Part No. 121332-1 to
Part No. 121332-2
Reference: Honeywell Service Bulletin
121332-78-1624
6
LF
05/14/04
78-2032
EXHAUST - Spare Parts Release for CF6-6
Fan Reversers
6
SP
06/25/03
78-2033
EXHAUST - Spare Parts Release for CF6-6
Fan Reversers
6
SP
08/25/03
78-2034
EXHAUST - Spare Parts Release for CF6-6
Fan Reversers
6
SP
06/14/04
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
36
Middle River Aircraft Systems
SERVICE BULLETIN INDEX
CF6
78-EXHAUST
BULLETIN
NO.
SUBJECT
ENGINE
MODEL
DATE
78-2034
REVISION 1
EXHAUST - Fan Reverser – Mounting Ring
Latch Assembly – Replacement of Bottom
Latches Part Numbers 491B1213073-009 and
491B1213073-010
6
LF
07/21/14
78-2035
EXHAUST - Spare Parts Release for CF6-6
Fan Reversers
6
SP
08/10/05
78-2036
EXHAUST - Spare Parts Release for CF6-6
Fan Reversers
6
SP
08/23/07
78-2038
EXHAUST – Fan Reverser – Hold-Open Rod – 6
One-Time Radiographic Weld Inspection
LF
05/13/11
78-2039
EXHAUST – Fan Reverser – Ball Bearing
6
Type Screw and Nut - Rework from Part
Number 3275506-2 to Part Number 3275506-3
Reference: Honeywell Service Bulletin
3275506-78-1684
LF
01/05/16
78-2040
6
EXHAUST – Fan Reverser – Ball Bearing
Type Screw and Nut - Rework from Part
Number 3238911-1 to Part Number 3238911-2
Reference: Honeywell Service Bulletin
3238911-78-1686
LF
01/05/16
78-2041
EXHAUST – Fan Reverser – Ball Bearing
Type Screw and Nut - Rework from Part
Number 121210-3 to Part Number 121210-6
Reference: Honeywell Service Bulletin
121210-78-1687
LF
01/05/16
78-2042
EXHAUST - Spare Parts Release for CF6-6
Fan Reversers
* PRODUCT IMPROVEMENT TYPE
CP = CAMPAIGN LF = LONG FORM
6
6
SP
06/12/14
# GE AIRCRAFT ENGINES SERVICE BULLETIN
PI = PRODUCT IMPROVEMENT SP = SPARE PARTS RELEASE
CF6-6 S/B INDEX
JAN 5/2016
PAGE
37