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SERVICE BULLETIN ATR42 Original issue - Dec 09/20 Service Bulletin No. ATR42-27-0113
Page TS-1 of TS-2
TRANSMITTAL SHEET Original issue This page transmits Original issue of Service Bulletin No. ATR42-27-0113.
General information concerning this document is available in Service Letter No. ATR42-00-5005.
TITLE: Flight controls - Modify captain stick shaker wiring
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.
SERVICE BULLETIN ATR42
Original issue - Dec 09/20 Service Bulletin No. ATR42-27-0113
Page TS-2 of TS-2 ATR. All rights reserved. Confidential and proprietary document.
1 – TABLE OF CONTENTS TRANSMITTAL SHEET ................................................................................. Page TS-1 to TS-2 ACCOMPLISHMENT REPORT ..................................................................... Page AR-1 to AR-1 PLANNING INFORMATION ............................................................................. Page PI-1 to PI-5 MATERIAL INFORMATION ............................................................................ Page MI-1 to MI-2 ACCOMPLISHMENT INSTRUCTIONS ............................................................ Page AI-1 to AI-2 ILLUSTRATIONS .............................................................................................. Page IL-1 to IL-3
2 – REVISION SEQUENCES
Issue or Revision Date Additional work
Original issue Dec 09/20 -
SERVICE BULLETIN ATR42 Original issue - Dec 09/20 Service Bulletin No. ATR42-27-0113
Page AR-1 ATR. All rights reserved. Confidential and proprietary document.
ACCOMPLISHMENT REPORT SERVICE BULLETIN No. ATR42-27-0113 Original issue TITLE: Flight controls - Modify captain stick shaker wiring Send this report to: ATR RETROFIT ENGINEERING 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-aircraft.com Aircraft identification Aircraft MSN (on which this Service Bulletin has been accomplished):
Aircraft registration number:
Flight cycles:
Flight hours:
Accomplishment date of this Service Bulletin:
Maintenance organisation identification Maintenance organisation name:
Name & Signature:
Date:
SERVICE BULLETIN ATR42
Original issue - Dec 09/20 Service Bulletin No. ATR42-27-0113
Page PI-1 ATR. All rights reserved. Confidential and proprietary document.
COMPLIANCE: RECOMMENDED MODIFICATION: 18024 L3615
TITLE: Flight controls - Modify captain stick shaker wiring
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 NO NO
(2) Aircraft MSN Kit(s) 004, 010, 011, 013, 016, 020, 024, 031, 032, 036, 038, 041, 043, 045, 047, 049, 051, 052, 059, 062, 063, 066, 067, 078, 079, 081, 088, 091, 093, 095, 096, 107, 112, 117, 118, 119, 120, 121, 122, 123, 125, 128, 130, 131, 132, 133, 135, 138, 139, 141, 142, 143, 151, 155, 158, 159, 170, 172, 173, 179, 190, 193, 194, 196, 197, 199, 200, 202, 203, 205, 206, 209, 211, 214, 218, 221, 226, 228, 230, 231, 235, 238, 242, 243, 245, 247, 250, 252, 254, 255, 257, 262, 264, 266, 269, 273, 275, 277, 278, 280, 282, 284, 286, 287, 291, 293, 295, 296, 298, 300, 304, 306, 308, 310, 312, 314, 315, 317, 319, 321, 323, 325, 327, 329, 331, 333, 335, 337, 340, 343, 346, 348, 351, 354, 358, 360, 363, 366, 368, 374, None
SERVICE BULLETIN ATR42
Original issue - Dec 09/20 Service Bulletin No. ATR42-27-0113
Page PI-2 ATR. All rights reserved. Confidential and proprietary document.
MSN (continued) Kit(s) 376, 378, 380, 384, 388, 390, 392, 397, 400, 403, 406, 409, 412, 415 None 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: This Service Bulletin is not applicable on aircraft on which modification No. 01845 has been embodied, except if:
- Modification No. 03294 or Service Bulletin No. ATR42-31-0059 has been embodied, or
- Conversion Instruction No. ATR42-98-356A, modification No. 08690 has been embodied.
(3) Spares The following stock items are modifiable (or not) according to the table below.
None.
B. REASON Following failure case leading to a potential activation of stick pusher in flight, this Service Bulletin provides instructions to modify wiring to allow captain stick shaker activation with Stick Shaker/Stick Pusher pushbutton disengaged.
COMPLIANCE: Accomplishment of this Service Bulletin is recommended by ATR.
C. DESCRIPTION Accomplishment of this Service Bulletin consists in carrying out the following jobs:
(1) Wiring modification D. APPROVAL The technical content of this document is approved under the authority of the DOA ref. EASA.21J.044.
SERVICE BULLETIN ATR42
Original issue - Dec 09/20 Service Bulletin No. ATR42-27-0113
Page PI-3 ATR. All rights reserved. Confidential and proprietary document.
E. MANPOWER Manhours Mechanic None Electrician 4 Total manhours 4 Elapsed time (hours) 4
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 None.
G. REFERENCES The following publications have to be used during accomplishment of this Service Bulletin:
MP : 20-21-21 ATR-A-24-4X-XX-00ZZZ-561Z-A ATR-A-24-4X-XX-00ZZZ-761Z-A ATR-A-27-36-XX-00ZZZ-320Z-A
The following modifications and/or retrofit documents are mentioned on this Service Bulletin:
Modification Retrofit document Title
01845 -
INDICATING/RECORDING SYSTEMS -
CENTRALIZED CREW ALERTING SYSTEM -
REPLACE COMPUTER
SERVICE BULLETIN ATR42
Original issue - Dec 09/20 Service Bulletin No. ATR42-27-0113
Page PI-4 ATR. All rights reserved. Confidential and proprietary document.
Modification Retrofit document Title
03294 ATR42-31-0059 Indicating/Recording systems - Install a crew alerting computer L12 on aircraft equipped with L13 08690 ATR42-98-356A Indicating/Recording systems - Replace Crew Alerting Computer type L13 by type L12 and modify associated wiring
H. AFFECTED PUBLICATIONS
(1) Maintenance documentation The following maintenance manuals will be updated after receipt of the Accomplishment Report by ATR:
AFI : 27-36
ASD : 27-36
AWL
AWD : 27-36
MIPD : 24-92
MP : 27-36
SD : 27-36
(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. 18024 is mentioned.
FCOM
QRH
MMEL
SERVICE BULLETIN ATR42
Original issue - Dec 09/20 Service Bulletin No. ATR42-27-0113
Page PI-5 ATR. All rights reserved. Confidential and proprietary document.
In case the material is not purchased through a kit, the operator should contact ATR at the following address to obtain the impacted operational documentation:
ATR CUSTOMER SERVICES
SPARES SUPPORT 1 ALLEE PIERRE NADOT 31712 BLAGNAC CEDEX FRANCE phone : +33 (0)5 62 21 64 54 e-mail : Upgrade-Services@atr-aircraft.com
SERVICE BULLETIN ATR42
Original issue - Dec 09/20 Service Bulletin No. ATR42-27-0113
Page MI-1 ATR. All rights reserved. Confidential and proprietary document.
2. MATERIAL INFORMATION A. MATERIAL - COST AND AVAILABILITY
(1) Material Parts 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 e-mail : spares.toulouse@atr-aircraft.com
Or operator should contact the ATR center it is related to, according to its operational area, at the following addresses:
ATR Americas, Inc.
4355 NW 36th St.
Miami Springs, FL 33166 USA phone : +1 (305) 704 9809 fax : +1 (305) 704 9806 e-mail : commercial.services.miami@atr-aircraft.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.singapore@atr-aircraft.com
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.
SERVICE BULLETIN ATR42
Original issue - Dec 09/20 Service Bulletin No. ATR42-27-0113
Page MI-2 ATR. All rights reserved. Confidential and proprietary document.
B. LIST OF COMPONENTS Item Part Number Qty Description
Material
- EN3155-016M2018 5 Terminal 2 NSA935401-03 5 Cable tie 1 NSA936830-20 1 Splice (FIN 1210VC & 1210VC-A)
- NSA937201MR0400 2 Sleeve
C. LIST OF MATERIALS - OPERATOR SUPPLIED None.
D. SPECIAL TOOLS Accomplishment of this Service Bulletin requires use of the following special tools:
None.
SERVICE BULLETIN ATR42
Original issue - Dec 09/20 Service Bulletin No. ATR42-27-0113
Page AI-1 ATR. All rights reserved. Confidential and proprietary document.
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 MP ATR-A-24-4X-XX-00ZZZ-561Z-A.
(2) In nose landing gear, remove access panel 115BZ.
C. MODIFICATION
(1) Wiring modification NOTE: At each wire installation, the following instructions must be observed:
Cut the wires to the necessary length, crimp the terminals and connect accordingly.
Perform continuity test of the new wiring.
Attach with cable ties as per MP 20-21-21.
As per wiring diagram Figure 1
(a) Modify wires according to wiring diagram.
For details refer to Hook-up chart Figure 2.
(b) Install all the parts listed in the following table. Carefully follow the specific instruction(s) detailed after the table.
INSTALLATION Item Description Part Number Qty New Qty from Removal Figure
1 Splice (FIN 1210VC and 1210VC-A) NSA936830-20 1 - 3
SERVICE BULLETIN ATR42
Original issue - Dec 09/20 Service Bulletin No. ATR42-27-0113
Page AI-2 ATR. All rights reserved. Confidential and proprietary document.
INSTALLATION (continued) Item Description Part Number Qty New Qty from Removal Figure
2 Cable tie NSA935401-03 2 - 3
Specific instruction(s):
- Identify splice (FIN 1210VC and 1210VC-A) with identification sleeves P/N NSA937201MR0400.
D. TESTS
(1) Re-energize the aircraft electrical network and disconnect the aircraft from ground as per MP ATR-A-24-4X-XX-00ZZZ-761Z-A.
(2) Perform an Operational Test of Stall Warning and Stick Pusher as per MP ATR-A-27-36-XX-00ZZZ-320Z-A at flaps position 0°, 15°, 25° and 35°.
CAUTION: DURING ACCOMPLISHMENT OF OPERATIONAL TEST, WHEN CCAS SELECTOR (FIN 17WW) IS IN “YES” POSITION AND STICK SHAKER/STICK PUSHER PUSHBUTTON (FIN 3FU) IS DEACTIVATED, DO NOT TAKE INTO ACCOUNT THE SENTENCE “STICK SHAKERS STOP TO OPERATE” BUT “CAPTAIN STICK SHAKER CONTINUE TO OPERATE WHILE F/O STICK SHAKER STOP TO OPERATE”.
E. CLOSE-UP
(1) In nose landing gear, install access panel 115BZ.
(2) Clean the working area.