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