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Commercial Airplanes 737 Service Bulletin ALERT Number: 737-31A1325 Original Issue: January 11, 2010 Revision 2: June 05, 2014 ATA System: 3100 SUBJECT: INDICATING / RECORDING SYSTEMS - Aural Warning System - Installation of the Cabin Altitude Warning System and Takeoff Configuration Warning System Lights Export of this technology is controlled under the United States Export Administration Regulations (EAR) (15 CFR 300-774). An export license may be required before it is used for development, production or use by foreign persons from specific countries. The controller of this data has the individual responsibility to abide by all export laws.
9E991ECCN:
BOEING PROPRIETARY, CONFIDENTIAL AND/OR TRADE SECRET Copyright © 2010 Boeing.
Unpublished Work. All Rights Reserved.
Treatment of this document and its content is governed by contract with Boeing. Rights to use this document are licensed on a per aircraft basis and such rights may not be transferable. For more information, contact The Boeing Company.
Boeing, the Boeing signature, the Boeing symbol, 707, 717, 727, 737, 747, 757, 767, 777, 787, Dreamliner, BBJ, DC-8, DC-9, DC-10, KC-10, KC-46, KDC-10, MD-10, MD-11, MD-80, MD-88, MD-90, P-8, Poseidon and Boeing liveries are all trademarks owned by The Boeing Company; and no trademark license is granted in connection with this document unless provided in writing by Boeing.
Original Issue: January 11, 2010 737-31A1325Revision 2: June 05, 2014 1 of 180
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Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: January 11, 2010 737-31A1325Revision 2: June 05, 2014 2 of 180 BOEING SERVICE BULLETIN 737-31A1325
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Table of Contents
Revision Transmittal Sheet7
Summary9
1. PLANNING INFORMATION ........................................ 1 1 A. Effectivity ............................................... 1 1
1. Airplanes ............................................ 1 1
2. Spares Affected ........................................ 2 8 B. Concurrent Requirements ...................................... 2 8 C. Reason ................................................ 2 8 D. Description .............................................. 2 9 E. Compliance .............................................. 3 0 F. Approval ............................................... 3 0 G. Manpower .............................................. 3 1 H. Weight and Balance Changes .................................... 3 1 I. Electrical Load Data ......................................... 3 1 J. References .............................................. 3 2
1. Existing Data: ......................................... 3 2
2. Data Supplied with this Service Bulletin: ........................... 3 2
3. Installation Drawings Used in the Preparation of this Service Bulletin: ........... 3 2 K. Publications Affected ........................................ 3 2 L. Interchangeability and Intermixability of Parts ........................... 3 3 M. Software Accomplishment Summary ................................ 3 3
2. MATERIAL INFORMATION ........................................ 3 5 A. Material - Price and Availability ................................... 3 5 B. Industry Support Information .................................... 3 5 C. Parts Necessary for Each Airplane ................................. 3 5
1. Kits/Parts: ........................................... 3 5
2. Parts and Materials Supplied by the Operator: ........................ 3 8
3. Parts Modified and Reidentified: ............................... 3 8
4. Parts Removed and Not Replaced: .............................. 4 3 D. Parts Necessary to Change Spares ................................. 4 4 E. Special Tooling - Price and Availability ............................... 4 4 F. Special Tooling Necessary to do this Service Bulletin ....................... 4 4
3. ACCOMPLISHMENT INSTRUCTIONS .................................. 4 5 A. GENERAL INFORMATION ..................................... 4 5 B. WORK INSTRUCTIONS ....................................... 4 6 FIGURE 1: P2-2 CENTER INSTRUMENT PANEL REMOVAL [Group 1-43] .............. 5 4 FIGURE 2: MODIFICATION OF THE P2-2 CENTER INSTRUMENT PANEL [Group 1-43] ....... 5 6 FIGURE 3: LIGHT ASSEMBLY INSTALLATION [Group 1-43] ...................... 5 9 FIGURE 4: WIRE BUNDLE W066 WIRE ROUTING [Group 1-24, 26-30, 40, 42] ............ 6 2 FIGURE 5: WIRE BUNDLE W066 WIRE ROUTING ........................... 6 3 FIGURE 6: WIRE BUNDLE W066 WIRE ROUTING [Group 25, 31-38, 41, 43] ............. 6 4 FIGURE 7: WIRE BUNDLES W002 AND W066 WIRE ROUTING [Group 39] .............. 6 5 FIGURE 8: WIRE BUNDLE W066 WIRING CHANGE .......................... 6 7 FIGURE 9: WIRE BUNDLE W066 WIRING CHANGE [Group 1] ..................... 6 8 FIGURE 10: WIRE BUNDLE W066 WIRING CHANGE [Group 13, 20] .................. 7 0 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: January 11, 2010 737-31A1325Revision 2: June 05, 2014 3 of 180 BOEING SERVICE BULLETIN 737-31A1325
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FIGURE 11: WIRE BUNDLE W066 WIRING CHANGE [Group 5, 19] ................... 7 2 FIGURE 12: WIRE BUNDLE W066 WIRING CHANGE [Group 6-7] .................... 7 4 FIGURE 13: WIRE BUNDLE W066 WIRING CHANGE [Group 4, 8] ................... 7 6 FIGURE 14: WIRE BUNDLE W066 WIRING CHANGE [Group 9] ..................... 7 8 FIGURE 15: WIRE BUNDLE W066 WIRING CHANGE .......................... 8 0 FIGURE 16: WIRE BUNDLE W066 WIRING CHANGE [Group 3] ..................... 8 1 FIGURE 17: WIRE BUNDLE W066 WIRING CHANGE [Group 14] .................... 8 3 FIGURE 18: WIRE BUNDLE W066 WIRING CHANGE [Group 15] .................... 8 5 FIGURE 19: WIRE BUNDLE W066 WIRING CHANGE [Group 16] .................... 8 7 FIGURE 20: WIRE BUNDLE W066 WIRING CHANGE [Group 17-18] .................. 8 9 FIGURE 21: WIRE BUNDLE W066 WIRING CHANGE [Group 2, 12] ................... 9 1 FIGURE 22: WIRE BUNDLE W066 WIRING CHANGE [Group 10] .................... 9 3 FIGURE 23: WIRE BUNDLE W066 WIRING CHANGE [Group 21, 42] .................. 9 5 FIGURE 24: WIRE BUNDLE W066 WIRING CHANGE [Group 22] .................... 9 7 FIGURE 25: WIRE BUNDLE W066 WIRING CHANGE [Group 23] .................... 9 9 FIGURE 26: WIRE BUNDLE W066 WIRING CHANGE [Group 11, 24] ................. 1 0 1 FIGURE 27: WIRE BUNDLE W066 WIRING CHANGE [Group 26-27] .................. 1 0 3 FIGURE 28: WIRE BUNDLE W066 WIRING CHANGE .......................... 1 0 5 FIGURE 29: WIRE BUNDLE W066 WIRING CHANGE [Group 28] ................... 1 0 6 FIGURE 30: WIRE BUNDLE W066 WIRING CHANGE [Group 29] ................... 1 0 8 FIGURE 31: WIRE BUNDLE W066 WIRING CHANGE .......................... 1 1 0 FIGURE 32: WIRE BUNDLE W066 WIRING CHANGE .......................... 1 1 1 FIGURE 33: WIRE BUNDLE W066 WIRING CHANGE [Group 30] ................... 1 1 2 FIGURE 34: WIRE BUNDLE W066 WIRING CHANGE [Group 31] ................... 1 1 4 FIGURE 35: WIRE BUNDLE W066 WIRING CHANGE [Group 32] ................... 1 1 6 FIGURE 36: WIRE BUNDLE W066 WIRING CHANGE [Group 33] ................... 1 1 8 FIGURE 37: WIRE BUNDLE W066 WIRING CHANGE [Group 34] ................... 1 2 0 FIGURE 38: WIRE BUNDLE W066 WIRING CHANGE [Group 25] ................... 1 2 2 FIGURE 39: WIRE BUNDLE W066 WIRING CHANGE [Group 35] ................... 1 2 4 FIGURE 40: WIRE BUNDLE W066 WIRING CHANGE [Group 36] ................... 1 2 6 FIGURE 41: WIRE BUNDLE W066 WIRING CHANGE [Group 37] ................... 1 2 8 FIGURE 42: WIRE BUNDLE W066 WIRING CHANGE .......................... 1 3 0 FIGURE 43: WIRE BUNDLE W066 WIRING CHANGE [Group 38] ................... 1 3 1 FIGURE 44: WIRE BUNDLE W066 WIRING CHANGE [Group 39] ................... 1 3 3 FIGURE 45: WIRE BUNDLE W002 WIRE ROUTING [Group 1-24, 26-30, 40] ............. 1 3 5 FIGURE 46: WIRE BUNDLE W002 WIRE ROUTING [Group 25, 31-38, 41] .............. 1 3 6 FIGURE 47: WIRE BUNDLE W002 WIRING CHANGE [Group 1, 3-9, 13-16, 19-20] .......... 1 3 7 FIGURE 48: WIRE BUNDLE W002 WIRING CHANGE [Group 2, 12, 17-18] .............. 1 3 9 FIGURE 49: WIRE BUNDLE W002 WIRING CHANGE [Group 10, 21-23, 40, 42-43] .......... 1 4 1 FIGURE 50: WIRE BUNDLE W002 WIRING CHANGE [Group 11, 24, 26-27] .............. 1 4 3 FIGURE 51: WIRE BUNDLE W002 WIRING CHANGE .......................... 1 4 5 FIGURE 52: WIRE BUNDLE W002 WIRING CHANGE [Group 28] ................... 1 4 6 FIGURE 53: WIRE BUNDLE W002 WIRING CHANGE [Group 29] ................... 1 4 8 FIGURE 54: WIRE BUNDLE W002 WIRING CHANGE .......................... 1 5 0 FIGURE 55: WIRE BUNDLE W002 WIRING CHANGE [Group 30] ................... 1 5 1 FIGURE 56: WIRE BUNDLE W002 WIRING CHANGE .......................... 1 5 3 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: January 11, 2010 737-31A1325Revision 2: June 05, 2014 4 of 180 BOEING SERVICE BULLETIN 737-31A1325
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FIGURE 57: WIRE BUNDLE W002 WIRING CHANGE .......................... 1 5 4 FIGURE 58: WIRE BUNDLE W002 WIRING CHANGE [Group 25, 31-34] ................ 1 5 5 FIGURE 59: WIRE BUNDLE W002 WIRING CHANGE [Group 35-38] .................. 1 5 7 FIGURE 60: WIRE BUNDLE W002 WIRING CHANGE [Group 39] ................... 1 5 9 FIGURE 61: WIRE BUNDLE W246 WIRE ROUTING [Group 1-43] ................... 1 6 1 FIGURE 62: WIRE BUNDLE W246 WIRING CHANGE [Group 1, 3-4, 7, 9-10, 12-17, 19, 21-26, 28, 30-31, 33-35, 37-39, 41-43] ..................................... 1 6 4 FIGURE 63: WIRE BUNDLE W246 WIRING CHANGE [Group 2, 5-6, 8, 11, 18, 20, 27, 29, 32, 36, 40] . 167 FIGURE 64: WIRE BUNDLE W246 WIRING CHANGE .......................... 1 7 0 FIGURE 65: WIRE BUNDLE W246 WIRING CHANGE .......................... 1 7 1 FIGURE 66: WIRE BUNDLE W246 WIRING CHANGE .......................... 1 7 2 FIGURE 67: P2-2 CENTER INSTRUMENT PANEL INSTALLATION [Group 1-43] ........... 1 7 3 FIGURE 68: WIRE BUNDLE W066 WIRING CHANGE [Group 40] ................... 1 7 5 FIGURE 69: WIRE BUNDLE W066 WIRING CHANGE [Group 41, 43] ................. 1 7 7 FIGURE 70: WIRE BUNDLE W002 WIRING CHANGE [Group 41] ................... 1 7 9 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: January 11, 2010 737-31A1325Revision 2: June 05, 2014 5 of 180 BOEING SERVICE BULLETIN 737-31A1325
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Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: January 11, 2010 737-31A1325Revision 2: June 05, 2014 6 of 180 BOEING SERVICE BULLETIN 737-31A1325
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Commercial Airplanes 737 Service Bulletin ALERT Revision Transmittal SheetNumber: 737-31A1325Original Issue: January 11, 2010 Revision 2: June 05, 2014 ATA System: 3100 SUBJECT: INDICATING / RECORDING SYSTEMS - Aural Warning System - Installation of the Cabin Altitude Warning System and Takeoff Configuration Warning System Lights This revision includes all pages of the service bulletin.
COMPLIANCE INFORMATION RELATED TO THIS REVISION No more work is necessary on the airplane(s) changed in accordance with the original issue or Revision 1 of this service bulletin.
Airplanes PT611-PT621, PT671-PT672, PT801-PT834, PT901-PT930, PT971-PT973, PW681-PW683, PW741-PW742 and PW761 were added to Group 5 of the service bulletin effectivity.
REASON FOR REVISION This revision is sent to include airplanes PT611-PT621, PT671-PT672, PT801-PT834, PT901-PT930, PT971-PT973, PW681-PW683, PW741-PW742 and PW761 which were removed in error from the Revision 1 service bulletin effectivity. This revision also updates reference document names and corrects typographical errors in wire type callouts and user supplied parts part numbers.
These sections were changed:
1. Paragraph 1.A.1. Airplanes, added airplanes to Group 5 of the service bulletin effectivity.
2. Paragraph 1.J.1. Existing Data, changed Overhaul Manual (OHM) to Component Maintenance Manual (CMM).
3. Paragraph 1.K.1. Publications, changed publications affected and added a footnote to the table.
4. Paragraph 2.A. Material - Price and Availability, updated the ROLT and Pricing information.
5. FIGURES 1, 3 and 67 step tables, changed OHM to CMM.
6. FIGURES 9-14, 16-27, 29-30, 33-41, 43-44, and 68-69, changed the wire type.
7. FIGURES 47-50, 52-53, 55, 58-60, 62-63 and 70, changed part numbers in the flagnote tables.
Vertical lines are put on the left edge of each page, except in Paragraph 1.A., Effectivity, to show the location of important changes.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: January 11, 2010 737-31A1325Revision 2: June 05, 2014 7 of 180
Pages with no vertical lines have no important changes.
REVISION HISTORY January 11, 2010Original Issue:
July 05, 2012Revision 1:
June 05, 2014Revision 2:
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: January 11, 2010 737-31A1325Revision 2: June 05, 2014 8 of 180 BOEING SERVICE BULLETIN 737-31A1325
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Commercial Airplanes 737 Service Bulletin ALERT SummaryNumber: 737-31A1325Original Issue: January 11, 2010 Revision 2: June 05, 2014 ATA System: 3100 SUBJECT: INDICATING / RECORDING SYSTEMS - Aural Warning System - Installation of the Cabin Altitude Warning System and Takeoff Configuration Warning System Lights
THIS BULLETIN IS SENT TO THE OPERATORS OF RECORD OF THE AIRPLANES SHOWN IN PARAGRAPH
1.A., EFFECTIVITY. IF AN AIRPLANE HAS BEEN LEASED OR SOLD, SEND THIS SERVICE BULLETIN TO THE NEW OPERATOR. IF APPLICABLE SPARES HAVE BEEN SOLD, SEND THIS SERVICE BULLETIN TO THE NEW OWNER.
CONCURRENT REQUIREMENTS None
BACKGROUND This service bulletin gives instructions to install two warning level indicator lights on the P2-2 center instrument panel in the flight compartment. The installation of these lights will provide a visual indication to the flight crew to be used in conjunction with the existing aural warning horn for cabin altitude and takeoff configuration alerts.
The visual warning lights are intended to provide additional notice to crews to prepare a correct takeoff configuration, respond to excessive cabin altitude and avoid confusion between the takeoff configuration and cabin altitude alerts. An unrecognized incorrect takeoff configuration or excessive cabin altitude could prevent a continued safe flight and landing.
As a part of a service bulletin validation program, this change was completed on airplane PW234 by Service Bulletin 737-31A1325 Validation Copy 1 and Installation Deviation Records 737-31A1325-001 through 737-31A1325-006 before the initial release of this service bulletin. The change completed on airplane PW234 by Service Bulletin 737-31A1325 Validation Copy 1 and Installation Deviation Records 737-31A1325-001 through 737-31A1325-006 is equivalent to the initial release of this service bulletin. Airplane PW234 has the configuration of a Group 13 airplane.
Boeing Service Related Problem (SRP) 737NG-SRP-31-0042 is related to this service bulletin.
ACTION (PRR 35005-277RS) Get access to the flight compartment. Remove the P2-2 center instrument panel to install two warning level indicator lights on the panel and change three wire bundles. Reinstall the modified P2-2 center instrument panel.
Do a test of the warning level indicator lights.
On Group 44 airplanes, contact Boeing to get instructions for the change for this service bulletin, 737-31A1325 Revision 2, and do the work instructed by Boeing.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: January 11, 2010 737-31A1325Revision 2: June 05, 2014 9 of 180
EFFECTIVITY All 737-100/-200/-200C/-300/-400/-500 Airplanes. Refer to Paragraph 1.A.1 Airplanes, for the list of affected airplanes.
COMPLIANCE Federal Aviation Administration (FAA) Airworthiness Directive AD 2011-03-14 is related to this service bulletin.
On Group 44 airplanes, contact Boeing to get instructions for the change for this service bulletin, 737-31A1325 Revision 2, and do the work instructed by Boeing.
INDUSTRY SUPPORT INFORMATION Boeing warranty remedies are not available for the configuration changes given in this service bulletin.
MANPOWER Elapsed HoursTotal Task HoursAirplanes
20.5032.50Groups 1-43
MATERIAL INFORMATION Boeing Supplied Kits/Parts.
Refer to Paragraph 2.A., Material - Price and Availability.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: January 11, 2010 737-31A1325Revision 2: June 05, 2014 10 of 180 BOEING SERVICE BULLETIN 737-31A1325
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Commercial Airplanes 737 Service Bulletin ALERT Number: 737-31A1325 Original Issue: January 11, 2010 Revision 2: June 05, 2014 ATA System: 3100 SUBJECT: INDICATING / RECORDING SYSTEMS - Aural Warning System - Installation of the Cabin Altitude Warning System and Takeoff Configuration Warning System Lights
THIS BULLETIN IS SENT TO THE OPERATORS OF RECORD OF THE AIRPLANES SHOWN IN PARAGRAPH
1.A., EFFECTIVITY. IF AN AIRPLANE HAS BEEN LEASED OR SOLD, SEND THIS SERVICE BULLETIN TO THE NEW OPERATOR. IF APPLICABLE SPARES HAVE BEEN SOLD, SEND THIS SERVICE BULLETIN TO THE NEW OWNER.
1. PLANNING INFORMATION A. Effectivity
1. Airplanes Refer to Service Bulletin Index Document D6-19567 Part 3 for Airplane Variable Number, Line Number, and Serial Number data.
This service bulletin is for the airplanes shown below. Refer to PRR 35005-277RS for data about this change.
DESCRIPTIONCONFIGURATIONGROUP Wiring and P2 panel configuration differences-1 Wiring and P2 panel configuration differences-2 Wiring and P2 panel configuration differences-3 Wiring and P2 panel configuration differences-4 Wiring and P2 panel configuration differences-5 Wiring and P2 panel configuration differences-6 Wiring and P2 panel configuration differences-7 Wiring and P2 panel configuration differences-8 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: January 11, 2010 737-31A1325Revision 2: June 05, 2014 11 of 180
DESCRIPTIONCONFIGURATIONGROUP Wiring and P2 panel configuration differences-9 Wiring and P2 panel configuration differences-10 Wiring and P2 panel configuration differences-11 Wiring and P2 panel configuration differences-12 Wiring and P2 panel configuration differences-13 Wiring and P2 panel configuration differences-14 Wiring and P2 panel configuration differences-15 Wiring and P2 panel configuration differences-16 Wiring and P2 panel configuration differences-17 Wiring and P2 panel configuration differences-18 Wiring and P2 panel configuration differences-19 Wiring and P2 panel configuration differences-20 Wiring and P2 panel configuration differences-21 Wiring and P2 panel configuration differences-22 Wiring and P2 panel configuration differences-23 Wiring and P2 panel configuration differences-24 Wiring and P2 panel configuration differences-25 Wiring and P2 panel configuration differences-26 Wiring and P2 panel configuration differences-27 Wiring and P2 panel configuration differences-28 Wiring and P2 panel configuration differences-29 Wiring and P2 panel configuration differences-30 Wiring and P2 panel configuration differences-31 Wiring and P2 panel configuration differences-32 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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