SERVICE BULLETIN ATR42
TRANSMITTAL SHEET
Revision No. 05
This page transmits Revision No. 05 of Service Bulletin No. ATR42-25-0140.
General information concerning this document is available in Service Letter No. ATR42-00-5005.
TITLE: Equipment/Furnishings - Install securized door on electrical provision
© ATR. All rights reserved. Confidential and proprietary document.
This document shall not be reproduced or disclosed to a third party
without the written consent of ATR. This document and its content
shall not be used for any purpose other than that for which it is supplied.
ATR, its logo, the distinctive ATR aircraft profiles and patented information
relating to the ATR aircraft are the exclusive property of ATR and are subject
to copyright. This document and all information contained herein are the sole
property of ATR. No intellectual property right is granted through, or induced by,
the delivery of this document or the disclosure of its content.
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page TS-1 of TS-3
SERVICE BULLETIN ATR42
1 – ADDITIONAL WORK
A- IMPACT ON PROCEDURE
The changes introduced by this Revision do not affect aircraft on which the present Service
Bulletin has already been applied.
B- IMPACT ON COMPONENTS
The associated kits and equipment already delivered remain valid.
2 – TECHNICAL IMPACT ON REVISED PAGES
Layout changes due to computerization of this revision are not identified.
Page PI-1
- COMPLIANCE updated.
Para. 1.A.(1), sentence added.
Page PI-2
- Para. 1.A.(2), MSN 620, 621, 622, 623, 625, 627 and sentences
added.
Para. 1.A.(2), NOTE 1 and NOTE 3 improved.
Page PI-3
- Para. 1.B., COMPLIANCE updated.
Para. 1.D., sentence updated.
Pages PI-4 and PI-5 - Para. 1.G., publication reference corrected, sentence and table added.
Pages PI-5 and PI-6 - Para. 1.H. updated.
Pages MI-1 and MI-2 - Para. 2.A.(1) and 2.A.(2), "AEROChain" becomes "ATRactive", phone
number and addresses updated.
Pages MI-3 and MI-4 - Para. 2.B., items added.
Page AI-12
- Para. 3.D.(3), title added.
Page AI-15
- Para. 3.E.(1), publication reference corrected.
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page TS-2 of TS-3
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
3 – TABLE OF CONTENTS
TRANSMITTAL SHEET ................................................................................... Page TS-1 to TS-3
ACCOMPLISHMENT REPORT ...................................................................... Page AR-1 to AR-1
PLANNING INFORMATION............................................................................... Page PI-1 to PI-6
MATERIAL INFORMATION .............................................................................. Page MI-1 to MI-4
ACCOMPLISHMENT INSTRUCTIONS ........................................................... Page AI-1 to AI-15
ILLUSTRATIONS .............................................................................................. Page IL-1 to IL-29
4 – REVISION SEQUENCES
Issue or Revision
Date
Additional work
Original issue
Revision No. 01
Revision No. 02
Revision No. 03
Revision No. 04
Revision No. 05
Jan 29/03
Feb 19/03
Jul 24/03
Feb 05/04
May 16/07
Apr 24/13
Yes
No
Yes
No
No
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page TS-3 of TS-3
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
ACCOMPLISHMENT REPORT
SERVICE BULLETIN No. ATR42-25-0140
Revision No. 05
Send this report to:
ATR ENGINEERING
SERVICE BULLETIN GROUP
1 ALLEE PIERRE NADOT
31712 BLAGNAC CEDEX
FRANCE
phone : +33 (0)5 62 21 62 21
fax
: +33 (0)5 62 21 69 41
e-mail : techdesk@atr.fr
Aircraft identification
Service Bulletin accomplished on aircraft MSN:
Service Bulletin accomplishment date:
Aircraft registration number:
Number of flights:
Flight hours:
Maintenance organisation identification
Maintenance organisation name:
Name & Signature:
Date:
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page AR-1
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
COMPLIANCE: OPTIONAL
MODIFICATION: 05434 L0096
TITLE: Equipment/Furnishings - Install securized door on electrical provision
1.
PLANNING INFORMATION
A. EFFECTIVITY
(1) Aircraft models
The approved change used to generate this document has been certified on the
following ATR42 models:
ATR42-200
ATR42-300
ATR42-320
ATR42-400
ATR42-500
YES
YES
YES
YES
YES
(2) Aircraft
MSN
003, 004, 005, 006, 007, 008, 009, 010, 011,
013, 014, 015, 016, 017, 018, 019, 020, 021,
023, 024, 025, 027, 028, 030, 031, 032, 034,
035, 036, 039, 042, 043, 044, 045, 047, 049,
050, 051, 052, 054, 055, 057, 058, 059, 061,
062, 066, 067, 068, 070, 072, 077, 079, 080,
081, 082, 085, 086, 087, 088, 091, 092, 096,
097, 102, 106, 107, 109, 110, 112, 113, 114,
115, 116, 117, 118, 119, 120, 121, 123, 124,
125, 128, 129, 130, 131, 132, 133, 134, 135,
136, 137, 138, 139, 141, 142, 143, 144, 148,
151, 152, 153, 155, 156, 159, 160, 161, 163,
165, 166, 168, 169, 170, 172, 173, 175, 176,
178, 179, 181, 182, 184, 185, 187, 188, 190,
Revision No. 05 - Apr 24/13
Kit(s) S250140
A01 + A02 + A03 + A04
Service Bulletin No. ATR42-25-0140
Page PI-1
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
MSN (continued)
191, 193, 194, 196, 197, 199, 200, 202, 203,
205, 206, 208, 209, 211, 213, 216, 219, 221,
223, 225, 226, 228, 230, 231, 233, 235, 238,
240, 242, 243, 247, 249, 250, 252, 254, 257,
259, 261, 262, 264, 266, 268, 269, 271, 273,
275, 277, 278, 280, 282, 284, 286, 287, 291,
293, 295, 296, 298, 300, 304, 306, 308, 310,
314, 315, 319, 321, 325, 327, 329, 331, 333,
335, 337, 340, 343, 348, 351, 354, 356, 358,
360, 363, 366, 368, 374, 376, 378, 380, 382,
384, 386, 388, 390, 392, 394, 397, 400, 403,
415, 443, 445, 457, 462, 466, 471, 474, 476,
480, 484, 487, 490, 491, 495, 497, 500, 501,
502, 503, 504, 506, 507, 510, 511, 512, 513,
514, 515, 516, 518, 520, 522, 524, 526, 528,
530, 532, 534, 537, 539, 542, 544, 546, 549,
551, 554, 556, 559, 561, 564, 566, 569, 571,
574, 576, 579, 581, 584, 586, 589, 591, 594,
596, 599, 601, 602, 603, 604, 605, 606, 607,
608, 609, 610, 611, 612, 613, 614, 615, 616,
617, 618, 619, 620, 621, 622, 623, 625, 627
Kit(s) S250140
A01 + A02 + A03 + A04
For each aircraft MSN, operator should order the mentioned kit(s).
Other parts or equipment could be required for embodiment of this Service Bulletin.
Please refer to chapter "MATERIAL INFORMATION" for details.
NOTE 1: This Service Bulletin is applicable only on aircraft not equipped with one of
the following modifications:
- No. 08014 or Service Bulletin No. ATR42-25-0049 or No. ATR42-25-0098.
- No. 01769 or Service Bulletin No. ATR42-25-0063.
NOTE 2: Accomplishment of this Service Bulletin requires previous or simultaneous
accomplishment of modification No. 05377 or Service Bulletin
No. ATR42-25-0139.
NOTE 3: In order to check the correct attachment of the cockpit door on aircraft
structure, ATR recommend to apply the inspection as per Service Bulletin
No. ATR42-25-0146, if Service Bulletin No. ATR42-25-0145 has not been
embodied.
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page PI-2
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
(3) Spares
The following stock items are modifiable (or not) according to the table below.
None.
B. REASON
In order to be compliant to regulatory change, the present Service Bulletin consists to
secure the cockpit entrance by replacing the existing cockpit entry door by a reinforced
one and installing a Cockpit Door Control Unit (CDCU).
COMPLIANCE: Accomplishment of this Service Bulletin is optional.
C. DESCRIPTION
Accomplishment of this Service Bulletin consists in carrying out the following jobs:
(1) In zone 210, cockpit door removal
(2) In zone 210, modification on cockpit door latches
(3) In zone 210, cockpit door attachment
(4) In zone 210, new cockpit door installation
(5) In zones 212 and 214, routing modification and CDCU installation
(6) In zones 212 and 214, on 811VU and 121VU "INOP" placards removal
(7) In zone 214, on 122VU, circuit-breaker clips (on FIN 4MQ and 6MQ) removal
D. APPROVAL
The technical content of this document (Rev. No. 05) is approved under the authority of
DOA No. EASA.21J.044.
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page PI-3
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
E. MANPOWER
Manhours
Mechanic
30
Electrician
2
Total manhours
32
Elapsed time (hours)
12
The above estimates are only provided for general guidance in operator's modification
planning.
NOTE: This Service Bulletin assumes that the aircraft has been placed in the appropriate
maintenance configuration. The manhours/elapsed time estimates do not include
preparation for the modification, non-productive elapsed time or administrative
functions.
F.
WEIGHT AND BALANCE
MEW
: + 37.5 kg (+ 82.673 lb)
Effect on balance: + 221.4 kg.m (+ 19216.484 lb.in)
G. REFERENCES
The following publications have to be used during accomplishment of this Service Bulletin:
AMM
: 20-41-11
AMM (JIC) : 24-40-00 EAD 10000
25-11-12 RAI 10000
25-13-14 RAI 10000
SRM
: 51-35-00
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page PI-4
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
The following modifications and/or retrofit documents are mentioned on this Service
Bulletin:
Modification
Retrofit
document
-
ATR42-25-0146
EQUIPMENT/FURNISHINGS - INSPECTION
OF REINFORCED COCKPIT DOOR LOCKING
MECHANISM
01244
-
EQUIPMENT/FURNISHINGS - FWD AND AFT
CARGO COMPARTMENTS - CHANGE
MATERIAL
01265
-
EQUIPMENT/FURNISHINGS - FLIGHT
COMPARTMENT DOOR - ADD PROTECTIVE
FAIRING ON FAST UNLATCHING LOWER
HOOKS
01769
ATR42-25-0063
Title
EQUIPMENT/FURNISHINGS - MODIFY A/C
FOR CARGO CONTAINER LOADING
EQUIP./FURNISHINGS - PROVIDE
STRUCTURAL & ELECTRIC. PROVISION FOR
NEW REGULATIONS ON CLASS B FWD
CARGO
02937
-
05377
ATR42-25-0139
Equipment/Furnishings - Installation of wiring
provision for cockpit entrance securized door
ATR42-25-0049
EQUIPMENT/FURNISHINGS - SUPPLY KIT
FOR CONTAINER TRANSPORT AIRCRAFT
ATR42-25-0098
EQUIPMENT/FURNISHINGS - MODIFY
AIRCRFT FOR CARGO CONTAINER LOADING
08014
H. AFFECTED PUBLICATIONS
(1) Maintenance documentation
The following maintenance manuals will be updated after receipt of the
Accomplishment Report by ATR:
AMM : 25-13-14
CMM
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page PI-5
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
IPC : 25-13-10
31-12-10
(2) Operational documentation
The following operational manuals are impacted.
Operators should verify the List of Modifications (LOM) of these manuals to verify that
the modification No. 05434 is mentioned.
AFM : The EASA AFM revision is approved. In case of specific AFM issued for a
local Authority, the operator must make sure the corresponding AFM revision
has been approved by its local Authority.
FCOM
QRH
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page PI-6
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
2.
MATERIAL INFORMATION
A. MATERIAL - COST AND AVAILABILITY
(1) Kits
Kits cost and availability, or any further commercial information about Service Bulletin,
may be consulted through ATRactive or operator should contact ATR at the following
addresses:
www.atractive.com
ATR CUSTOMER SERVICES
SPARES SUPPORT
1 ALLEE PIERRE NADOT
31712 BLAGNAC CEDEX
FRANCE
phone : +33 (0)5 62 21 66 99
fax
: +33 (0)5 62 21 61 12
e-mail : kits@atr.fr
Or operator should contact the ATR center it is related to, according to its operational
area, at the following addresses:
ATR NORTH AMERICA
45195 BUSINESS COURT, SUITE 450
DULLES, VIRGINIA 20166
USA
phone : +1 571 203 6920
fax
: +1 571 203 6903
e-mail : commercialservices@atrnorthamerica.com
ATR EASTERN SUPPORT Pte Ltd.
51 CHANGI BUSINESS PARK CENTRAL 2
#08-02 THE SIGNATURE
SINGAPORE 486066
phone : +65 6542 0122
fax
: +65 6542 1047
e-mail : commercial.services@atr.com.sg
Operator should place a purchase order specifying concerned MSN, Service Bulletin
reference and kits reference (according to paragraph 1.A.) through ATRactive or to
the ATR center it is related to according to its operational area.
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page MI-1
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
(2) Equipment
Equipment cost and availability, or any further commercial information about Service
Bulletin, may be consulted through ATRactive or operator should contact ATR at the
following addresses:
www.atractive.com
ATR CUSTOMER SERVICES
SPARES SUPPORT
1 ALLEE PIERRE NADOT
31712 BLAGNAC CEDEX
FRANCE
phone : +33 (0)5 62 21 60 33
fax
: +33 (0)5 62 21 62 80
e-mail : spares.quotations@atr.fr
Or operator should contact the ATR center it is related to, according to its operational
area, at the above-mentioned addresses.
Or operator should contact the vendor(s) of equipment at the following address(es):
SIMAIR
AVENUE DULIN
Z.I. DES SŒURS
17300 ROCHEFORT-SUR-MER
FRANCE
phone : (33) 5 46 99 71 49
fax
: (33) 5 46 87 40 12
Operator should place a purchase order specifying equipment reference through
ATRactive or to the ATR center it is related to, according to its operational area, or to
the vendor.
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page MI-2
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
B. LIST OF COMPONENTS
Item
Part Number
Qty
Description
Equipment
7
18
201-152-000-011
DC3001101
1
1
CDCU
Door
4
4
4
1
2
2
Washer
Screw
Washer
Placard
Placard
Placard
1
1
1
1
4
2
1
Threshold
Staple
Beam
Strip cover
Shim
Shim
Threshold
Kit S250140A01
9
8
83
19
84
85
ASNA2397-10L
NAS1096-3-9
NSA5111-3
S1131251921000
S2511026920000
S2511026920100
Kit S250140A02
57
53
52
48
58
59
64
S2511504000000
S2511504120000
S2511504200000
S2511504500000
S2511505020000
S2511505020100
S2511505120000
Kit S250140A03
49
55
51
50
61
65
ASNA23052358
ASNA2397-10L
L21217024012DCJ
MS21070L3
NAS1102-08-8
NAS1102-3-5
Revision No. 05 - Apr 24/13
1m
2
4
2
2
5
Seal
Washer
Rivet
Nut
Screw
Screw
Service Bulletin No. ATR42-25-0140
Page MI-3
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
Item
Part Number
Qty
Description
Kit S250140A03 (continued)
60
54
83
20
74
72
NAS1102-3-22
NAS1802-3-9
NSA5111-3
NSA5111-4
NSA55132-112
NSA55144-003
4
2
2
8
2
2
Screw
Screw
Washer
Washer
Stud
Washer
2
Stop
Kit S250140A04
87
S2511505820000
C. LIST OF MATERIALS - OPERATOR SUPPLIED
Item
-
Description
Red paint
Reference
SRM 51-35-00
16-029
Qty per
aircraft
As required
NOTE: The above materials can be procured by means of a spares purchase order.
D. SPECIAL TOOLS
Accomplishment of this Service Bulletin requires use of the following special tools:
None.
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page MI-4
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
3.
ACCOMPLISHMENT INSTRUCTIONS
A. GENERAL
The following instructions assume that work will be accomplished when the aircraft is in
the appropriate maintenance configuration.
B. JOB SET-UP
(1) De-energize the aircraft electrical network and connect the aircraft to ground as per
AMM (JIC) 24-40-00 EAD 10000.
(2) Remove observer seat as per AMM (JIC) 25-11-12 RAI 10000.
C. MODIFICATION
(1) In zone 210, cockpit door removal
As per AMM (JIC) 25-13-14 RAI 10000, remove door.
(2) In zone 210, modification on cockpit door latches
(a) Valid for aircraft not equipped with the following modifications:
- No. 01265
and
- No. 02937
As per Figure 1
Remove:
4 placard
4 placard
S2511026920200
S2511026920400
Item 1 (not re-used)
Item 2 (not re-used)
On 2 latches item 3, and 2 latches item 4 realize cut-out, protect with red paint
Material No. 16-029 (Refer to SRM 51-35-00).
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page AI-1
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
(b) Valid for aircraft equipped with the following modification:
- No. 01265
and not equipped with the following modification:
- No. 02937
As per Figure 2
Remove:
4 placard
4 placard
S2511026920200
S2511026920400
Item 1 (not re-used)
Item 2 (not re-used)
2 case
4 screw
S2511032000000
NAS1102-08-8
Item 5 (not re-used)
Item 6 (not re-used)
On 2 latches item 3, and 2 latches item 4 realize cut-out, protect with red paint
Material No. 16-029 (Refer to SRM 51-35-00).
(c) Valid for aircraft equipped with modification No. 02937.
As per Figure 3
Remove:
2 placard
2 placard
S2511026920200
S2511026920400
Item 1 (not re-used)
Item 2 (not re-used)
1 case
2 screw
S2511032000000
NAS1102-08-8
Item 5 (not re-used)
Item 6 (not re-used)
On latches item 3 realize cut-out, and protect with red paint Material No. 16-029
(Refer to SRM 51-35-00).
(3) In zone 210, cockpit door attachment
(a) As per Figure 4, sheets 1 and 2 (Valid ATR42-200, ATR42-300, ATR42-320) or
Figure 5, sheets 1 and 2 (Valid ATR42-400, ATR42-500)
1
Remove:
1 upper covering assembly
Item 30 (re-used)
1 ceiling panel
Item 70 (re-used)
(Valid ATR42-200, ATR42-300, ATR42-320)
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page AI-2
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
or
1 ceiling panel
(Valid ATR42-400, ATR42-500)
(Retain fixations)
2
Remove:
1 support
S2558905400000
(Retain fixations)
3
Item 32 (re-used)
Remove:
1 threshold
(fixations will not be re-used)
4
Item 71 (re-used)
Item 33 (not re-used)
Remove:
2 case
Item 34 (re-used)
At bench on cases item 34 remove:
2 stud
2 washer
NSA55132-107
NSA55144-101
Item 35 (not re-used)
Item 36 (not re-used)
Re-install cases item 34.
(b) At bench
1
As per Figure 4, sheets 1 and 2 (Valid ATR42-200, ATR42-300, ATR42-320)
Split from upper covering assembly item 30
1 upper covering
1 fwd covering
(retain fixations)
2
Item 39 (re-used)
Item 41 (re-used)
As per Figure 5, sheets 1 and 2 (Valid ATR42-400, ATR42-500)
Split from upper covering assembly item 30
1 upper covering
1 lower covering
1 fwd covering
(retain fixations)
Revision No. 05 - Apr 24/13
Item 39 (re-used)
Item 40 (re-used)
Item 41 (re-used)
Service Bulletin No. ATR42-25-0140
Page AI-3
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
3
As per Figure 7, sheets 1 and 2
On upper covering item 39,
Remove:
2 spacer
2 magnet
1 strip cover
1 strip cover
1 seal
7 screw
7 washer
7 nut
S2511029520000
ASNA2301-01
S2511026600800
S2511026600900
S2511026520600
NAS1102-06-7
ASNA2397PD6
MS21042L06
Item 37 (not re-used)
Item 38 (not re-used)
Item 42 (not re-used)
Item 43 (not re-used)
Item 44 (not re-used)
Item 45 (Qty 5) (re-used)
Item 46 (Qty 5) (re-used)
Item 47 (Qty 5) (re-used)
Perform cut-out in order to let the way for the staple item 53 (see Figure 6).
Install:
PART No.
QTY
Strip cover
Seal
(cut seal as required)
5 screw
5 washer
5 nut
NAS1102-06-7
ASNA2397PD6
MS21042L06
Item 48
Item 49
1
A.R.
S2511504500000
ASNA23052358
Item 45*
Item 46*
Item 47*
* Items retained above.
4
As per Figure 8 (Valid ATR42-200, ATR42-300, ATR42-320)
On covering item 41 perform holes diam. 16 mm (0.63 in).
5
As per Figures 8 and 10 (Valid ATR42-400, ATR42-500)
On coverings item 40 and item 41 perform holes diam. 16 mm (0.63 in).
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page AI-4
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
(c) As per Figure 11
At bench on support item 32,
Install :
QTY
Nut
Rivet
Item 50
Item 51
2
4
PART No.
MS21070L3
L21217024012DCJ
Remove:
2 axis
2 nut
4 washer
S2558905320000
MS21042L4
NSA5304-81
Item 80 (not re-used)
Item 81 (not re-used)
Item 82 (not re-used)
(d) As per Figure 9
At bench on ceiling panel item 70 or item 71 perform cut-out in order to let the
way for the routing to the door connector 612VC.
(e) As per Figure 6, sheets 1, 2 and 3 (Valid ATR42-200, ATR42-300, ATR42-320)
or sheet 4 (Valid ATR42-400, ATR42-500)
1
At bench, fit together modified upper covering item 39, support item 32, with
fasteners retained at removal, and install:
QTY
Beam (See NOTE)
Staple
Screw
Washer
Revision No. 05 - Apr 24/13
Item
Item
Item
Item
52
53
54
55
1
1
2
2
PART No.
S2511504200000
S2511504120000
NAS1802-3-9
ASNA2397-10L
Service Bulletin No. ATR42-25-0140
Page AI-5
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
NOTE: Valid ATR42-200, ATR42-300, ATR42-320 on which modification
No. 01244 is not embodied
If necessary, on beam item 52 remove:
2 washer
2 stud
NSA55144-003
NSA55132-105
Item 72 (not re-used)
Item 73 (not re-used)
Install:
QTY
Washer
Stud
2
Item 72
Item 74
2
2
PART No.
NSA55144-003
NSA55132-112
On aircraft, install modified covering assembly constituted (see paragraph
3.C.(3)(e)) by item 39, item 32, item 52 and item 53 with fixations retained at
removal.
Install:
QTY
Placard
Placard
(f)
Item 84
Item 85
2
2
PART No.
S2511026920000
S2511026920100
Threshold installation
1
As per Figure 4, sheet 1 (Valid ATR42-200, ATR42-300, ATR42-320) or as
per Figure 5, sheet 1 (Valid ATR42-400, ATR42-500)
On floor panel
Remove:
4 screw
Revision No. 05 - Apr 24/13
Item 56 (not re-used)
Service Bulletin No. ATR42-25-0140
Page AI-6
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
2
As per Figure 6, sheets 1 and 2
Install:
QTY
Threshold
Shim
Shim
Screw
Screw
Item
Item
Item
Item
Item
57
58
59
60
61
1
4
2
4
2
PART No.
S2511504000000
S2511505020000
S2511505020100
NAS1102-3-22
NAS1102-08-8
(4) In zone 210, new cockpit door installation
As per Figure 12, sheets 1 and 2
(a) 1
2
Remove forward cargo compartment ceiling panel item 12.
At bench on ceiling panel item 12
Remove:
2 covering
6 stud
S2511030700000
ASNA2080N01 or
ASNA2080N04
2 door stop assembly S2511030600000
Item 13 (not re-used)
Item 14 (not re-used)
Item 15 (not re-used)
NOTE: The 2 nut-plates S2511030500000 item 16 will be let in place with the
fixations in order to blanking holes, and install:
QTY
Washer
3
Item 83
6
PART No.
NSA5111-3
Re-install ceiling panel item 12.
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page AI-7
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
(b) Install:
QTY
Cockpit door
Placard
Washer (if necessary)
Item 18
Item 19
Item 20
1
1
8
PART No.
DC3001101
S1131251921000
NSA5111-4
DOOR INSTALLATION SEQUENCE:
A. LEFT DOOR LEAF INSTALLATION
As per Figure 12, sheets 1, 2 and 3
- Fit lower axis (section B-B) in its existing structure hole, depth will be
adjusted adding 1 or 2 washers item 20 if necessary.
- Fit and adjust upper door axis position item 21 (section A-A) in its
existing structure hole (by screwing and unscrewing screws item 22),
depth will be adjusted adding 1 or 2 washers item 20 if necessary.
- Adjust actuator item 62 in horizontal position (by screwing and
unscrewing screws item 63).
- Lock the two latches item 3.
B. RIGHT DOOR LEAF INSTALLATION
As per Figure 12, sheets 1, 2 and 3
- Fit and adjust lower and upper axis position (Sections A-A and B-B) in
their existings structure holes (by screwing and unscrewing screws
item 22), depth will be adjusted adding 1 or 2 washers item 20 if
necessary.
- Lock the two latches item 4.
- Close the two door leaves.
- Verify that the two manuals lockers on right leaf fit in their housings on
left leaf. If not adjust the right door leaf to get vertical alignment (by
screwing and screwing screws item 22).
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page AI-8
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
- Adjust actuator item 62 in horizontal position (by screwing and
unscrewing screws item 63).
- Tight all adjustment axis.
C. DOOR ADJUSTMENT
As per Figure 6, sheets 1 and 2
Adjust the threshold position item 57 in order to get alignment of door
leaves, and lock screws item 60 and item 61.
- Adjust staple box item 53 with screws item 54, in order to eliminate any
sticking constraint between staple box item 53 and upper door staple
itself.
- Verify that upper and lower door staples are engaged for at least 5 mm
(0.2 in), if not remove the left leaf handle cover and adjust the upper
and/or lower staple by means of threaded rods, tight nuts, and re-install
the left leaf handle cover.
As per Figure 12, sheet 4
- With the door closed, measure the gap between the two door leaves, at
the top and at the bottom of the door, and verify that the average value
is between 46.9 mm and 43.4 mm (1.846 in and 1.709 in).
D. LOCKS ADJUSTMENT (Upper and lower)
As per Figure 12, sheets 1 and 3
- Unscrew screws item B.
- Adjust screws item A to get 1.5 mm (0.06 in) between item C and
item D.
- Tight screws item B.
- Connect 612VC-A on door.
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page AI-9
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
E. CONTROL SEAL INSTALLATION AND LOWER STOP ASSEMBLIES
MODIFICATION
As per Figure 12, sheets 1, 2 and 4
NOTE: This paragraph "E" will be performed after performing tests as per
paragraph 3.D.
Remove:
2 lower stop assembly
Item 86 (re-used)
At bench, on lower stop assemblies item 86 realize a thread as per .312524UNJF-3B and install:
QTY
Stop
Item 87
2
PART No.
S2511505820000
Re-install and adjust the 2 modified lower stop assemblies in accordance
with their corresponding lower door stop assemblies.
After verifying that the door is correctly installed:
- Install control seal item 26, on the 4 latches item 3 and 4.
- As per Figure 6, sheets 1 and 2
Install:
QTY
Threshold cover
Screw
Revision No. 05 - Apr 24/13
Item 64
Item 65
1
5
PART No.
S2511505120000
NAS1102-3-5
Service Bulletin No. ATR42-25-0140
Page AI-10
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
(c) As per Figure 6, sheets 1 and 3 (Valid ATR42-200, ATR42-300, ATR42-320)
Re-install modified fwd covering item 41, and ceiling panel item 70 (with fixations
retained at removal).
(d) As per Figure 6, sheets 1 and 4 (Valid ATR42-400, ATR42-500)
Re-install modified lower covering item 40, fwd covering item 41 and ceiling panel
item 71 (with fixations retained at removal).
(5) In zones 212 and 214, routing modification and CDCU installation
(a) As per Figure 13, sheets 1 and 2 (Valid ATR42-300, ATR42-320) or
as per Figure 13, sheet 3 (Valid ATR42-400, ATR42-500)
Install:
QTY
CDCU (FIN 2MQ)
Screw
Washer
Item 7
Item 8
Item 9
1
4
4
PART No.
201-152-000-011
NAS1096-3-9
ASNA2397-10L
Uncoil connector (FIN 2MQ-A) from is stowing position, remove the tubing heatshrink and connect it to CDCU (FIN 2MQ) item 7.
Uncoil module (FIN 611VT1) from is stowing position and install it on his existing
support.
(b) As per Figure 14, sheets 1 and 2
Uncoil connector (FIN 612VC-A) from is stowing position, remove the tubing
heat-shrink.
(6) In zones 212 and 214, on 811VU and 121VU "INOP" placards removal
As per Figures 15 and 16
Remove:
2 placard "INOP"
Revision No. 05 - Apr 24/13
Item 11 (not re-used)
Service Bulletin No. ATR42-25-0140
Page AI-11
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
(7) In zone 214, on 122VU, circuit-breaker clips (on FIN 4MQ and 6MQ) removal
On 122VU on following circuit-breaker:
(FIN 4MQ) : DOORS/CDCU FAULT
(FIN 6MQ) : DOORS/CDCU & LATCHES SPLY
Remove 2 clips NSA931305-01, and engage them.
D. TESTS
(1) Re-energize the aircraft electrical network and disconnect the aircraft from ground as
per AMM (JIC) 24-40-00 EAD 10000.
(2) Close the door and verify, on the door, that the two electromagnetic locks work
properly.
If not perform adjustment of threshold and/or upper staple, according to
paragraph 3.C.(4)(b). "DOOR INSTALLATION SEQUENCE" chapters C and D, in
order to obtain co-planarity of the two door leaves.
(3) Operational test of cockpit door
(a) With the cockpit door open, check that:
- The electrical latches are not activated,
- The "fault" light is not illuminated, and the "open" light is illuminated on the
cockpit panel.
- The buzzer is not activated.
- The "deny" light on the door panel is not illuminated, and the "open" light is
illuminated.
(b) Perform lights test in the cockpit and check that:
- The "fault" & "open" lights are illuminated on the cockpit panel.
- The "open" & "deny" lights on the door panel are illuminated.
(c) Close the cockpit door, and check that:
- The electrical latches are activated by the CDCU.
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page AI-12
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
- The door is locked.
- The "fault" & "open" lights are not illuminated on the cockpit panel.
- The buzzer is not activated.
- The "open" & "deny" lights on the door panel are not illuminated.
(d) Routine call test
1
In the cargo compartment, depress the "routine call" pushbutton and check
that :
If no action on the cockpit panel control switch (always in "norm" position):
- The buzzer on the cockpit panel is activated for 3 seconds.
- The door stays electrically closed.
- The "fault" & "open" lights are not illuminated on the cockpit panel.
- The "open" & "deny" lights on the door panel are not illuminated.
2
Repeat 3.D.(3)(d)1, and then move the cockpit panel control switch to open
position, before the end of the 3 seconds delay, then check that:
- The buzzer on the cockpit control panel stops when the switch reaches the
open position.
- As long as the switch stays in open position, the door is electrically open,
the "open" lights on the cockpit control panel & on the door control panel are
illuminated.
In this configuration check that the door can be opened.
Close again the cockpit door and check that the operations are identical to
those described in paragraph 3.D.(3)(c).
3
Repeat 3.D.(3)(d)1, and then the crew moves the cockpit panel control switch
to deny position, before the end of the 3 seconds delay, then check that :
- The buzzer on the cockpit control panel stops when the switch reaches the
deny position.
- The deny light on the door control panel is illuminated.
- The door stays electrically closed.
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page AI-13
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
In this configuration the cockpit door remains closed, and check that for
3 minutes a new "routine call" from the cokpit door panel is inhibited.
(e) Emergency call test
In the cargo compartment, depress the "emergency call" pushbutton and check
that:
1
If no action on the cockpit panel control switch (always in "norm" position):
- The buzzer on the cockpit panel is activated for 30 seconds.
- The "open" lights on the cockpit control panel & on the door panel flash for
30 seconds.
- The door stays electrically closed during the 30 seconds delay.
- The "fault" light is not illuminated on the cockpit panel.
- The "deny" light on the door panel is not illuminated.
- After 30 seconds the buzzer stops.
- The door electrical latches are de-energized for 10 seconds. In this period
the "open" light on the cockpit control panel & on the door control panel are
illuminated, and the cabin crew can open the door.
Then close the door again and check that the operations are identical to those
described in paragraph 3.D.(3)(c).
2
Repeat 3.D.(3)(e)1, and then move the cockpit panel control switch to open
position before the end of the 30 seconds delay, then check that:
- The buzzer on the cockpit control panel stops when the switch reaches the
open position.
- As long as the switch stays in open position, the door is electrically open,
the open lights on the cockpit control panel & on the door control panel are
illuminated.
In this configuration the cabin crew can open the cockpit door.
Close again the cockpit door and check that the operations are identical to
those described in paragraph 3.D.(3)(c).
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page AI-14
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
3
Repeat 3.D.(3)(e)1, and then moves the cockpit panel control switch to deny
position, before the end of the 30 seconds delay, then check that:
- The buzzer on the cockpit control panel stops when the switch reaches the
deny position.
- The "open" lights on both control panels are off.
- The deny light on the door control panel is illuminated.
- The door stays electrically closed.
In this configuration the cockpit door remains closed, and check that for
3 minutes a new "routine call" or "emergency call" from the cockpit door panel
is inhibited.
E. CLOSE-UP
(1) Re-install observer seat as per AMM (JIC) 25-11-12 RAI 10000.
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page AI-15
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
ILLUSTRATIONS
Valid on ATR42 on which modification No. 01265 and modification No. 02937 are not embodied
Cockpit door latches modification
Figure 1
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page IL-1
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
Valid on ATR42 on which modification No. 01265 is embodied and modification No. 02937 is not embodied
Cockpit door latches modification
Figure 2
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page IL-2
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SERVICE BULLETIN ATR42
Valid on ATR42 on which modification No. 02937 is embodied
Cockpit door latches modification
Figure 3
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page IL-3
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SERVICE BULLETIN ATR42
Door jamb and threshold - Before modification
(Valid ATR42-200, ATR42-300, ATR42-320)
Figure 4, sheet 1 of 2
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page IL-4
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SERVICE BULLETIN ATR42
Door jamb and threshold - Before modification
(Valid ATR42-200, ATR42-300, ATR42-320)
Figure 4, sheet 2
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page IL-5
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SERVICE BULLETIN ATR42
Door jamb and threshold - Before modification
(Valid ATR42-400, ATR42-500)
Figure 5, sheet 1 of 2
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page IL-6
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SERVICE BULLETIN ATR42
Door jamb and threshold - Before modification
(Valid ATR42-400, ATR42-500)
Figure 5, sheet 2
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page IL-7
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SERVICE BULLETIN ATR42
Door jamb and threshold - After modification
Figure 6, sheet 1 of 4
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page IL-8
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SERVICE BULLETIN ATR42
Door jamb and threshold - After modification
Figure 6, sheet 2
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page IL-9
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SERVICE BULLETIN ATR42
Door jamb and threshold - After modification
(Valid ATR42-200, ATR42-300, ATR42-320)
Figure 6, sheet 3
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page IL-10
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
Door jamb and threshold - After modification
(Valid ATR42-400, ATR42-500)
Figure 6, sheet 4
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page IL-11
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
Upper covering item 39 modification before modification
Figure 7, sheet 1 of 2
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page IL-12
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SERVICE BULLETIN ATR42
Upper covering item 39 modification after modification
Figure 7, sheet 2
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page IL-13
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SERVICE BULLETIN ATR42
Fwd covering item 41, modification
Figure 8
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page IL-14
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SERVICE BULLETIN ATR42
Ceiling panel modification
Figure 9
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page IL-15
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
Lower covering item 40 - Modification
(Valid ATr42-400, ATR42-500)
Figure 10
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page IL-16
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SERVICE BULLETIN ATR42
Support item 32 modification
Figure 11
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page IL-17
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
Cockpit door installation and adjustment
Figure 12, sheet 1 of 4
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page IL-18
© ATR. All rights reserved. Confidential and proprietary document.
SERVICE BULLETIN ATR42
Cockpit door installation and adjustment
Figure 12, sheet 2
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page IL-19
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SERVICE BULLETIN ATR42
Cockpit door installation and adjustment
Figure 12, sheet 3
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page IL-20
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SERVICE BULLETIN ATR42
Cockpit door installation and adjustment
Figure 12, sheet 4
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page IL-21
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SERVICE BULLETIN ATR42
Routing zone 212 - CDCU installation
Figure 13, sheet 1 of 3
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page IL-22
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SERVICE BULLETIN ATR42
Valid ATR42-300 and ATR42-320
Routing zone 212 - CDCU installation
Figure 13, sheet 2
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page IL-23
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SERVICE BULLETIN ATR42
Valid ATR42-400 and ATR42-500
Routing zone 212 - CDCU installation
Figure 13, sheet 3
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page IL-24
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Routing zone 214
Figure 14, sheet 1 of 2
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page IL-25
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Routing zone 214
Figure 14, sheet 2
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page IL-26
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811VU
Figure 15
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page IL-27
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SERVICE BULLETIN ATR42
121VU
Figure 16
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page IL-28
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SERVICE BULLETIN ATR42
Schematic
Figure 17
Revision No. 05 - Apr 24/13
Service Bulletin No. ATR42-25-0140
Page IL-29
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