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Commercial Airplanes 737 Service Bulletin ALERT Number: 737-31A1332 Original Issue: January 07, 2010 Revision 3: March 28, 2012 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 730-774). 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BOEING PROPRIETARY, CONFIDENTIAL, AND/OR TRADE SECRET Copyright © 2010 The Boeing Company Unpublished Work - All Rights Reserved Boeing claims copyright in each page of this document only to the extent that the page contains copyrightable subject matter. Boeing also claims copyright in this document as a compilation and/or collective work.
This document includes proprietary information owned by The Boeing Company and/or one or more third parties.
Treatment of the document and the information it contains is governed by contract with Boeing. For more information, contact The Boeing Company, P.O. Box 3707, Seattle, Washington 98124.
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, KDC-10, MD-10, MD-11, MD-80, MD-88, MD-90, P-8A, Poseidon and the Boeing livery 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.
BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: January 07, 2010 737-31A1332Revision 3: March 28, 2012 1 of 301
3.0
BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: January 07, 2010 737-31A1332Revision 3: March 28, 2012 2 of 301 BOEING SERVICE BULLETIN 737-31A1332
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BLANK PAGE
Table of Contents
Revision Transmittal Sheet7
Summary ..................................................... 1 1
1. PLANNING INFORMATION ........................................ 1 7 A. Effectivity ............................................... 1 7
1. Airplanes ............................................ 1 7
2. Spares Affected ........................................ 3 3 B. Concurrent Requirements ...................................... 3 3 C. Reason ................................................ 3 4 D. Description .............................................. 3 5 E. Compliance .............................................. 3 8 F. Approval ............................................... 3 8 G. Manpower .............................................. 3 8 H. Weight and Balance Changes .................................... 6 2 I. Electrical Load Data ......................................... 6 2 J. References .............................................. 6 2
1. Existing Data .......................................... 6 2
2. Data supplied with this Service Bulletin ............................ 6 3
3. Installation Drawings Used in the Preparation of this Service Bulletin ............ 6 3 K. Publications Affected ........................................ 6 3 L. Interchangeability and Intermixability of Parts ........................... 6 4
2. MATERIAL INFORMATION ........................................ 6 5 A. Material - Price and Availability ................................... 6 5 B. Industry Support Information .................................... 7 3 C. Parts Necessary For Each Airplane ................................. 7 3
1. Kits/Parts ............................................ 7 3
2. Parts and Materials Supplied by the Operator ........................ 8 8
3. Parts Modified and Reidentified ................................ 8 9
4. Parts Removed and Not Replaced .............................. 9 2 D. Parts Necessary to Change Spares ................................. 9 2 E. Special Tooling - Price and Availability ............................... 9 2 F. Special Tooling Necessary to do this Service Bulletin ....................... 9 2
3. ACCOMPLISHMENT INSTRUCTIONS .................................. 9 3 A. GENERAL INFORMATION ..................................... 9 3 B. WORK INSTRUCTIONS ....................................... 9 4 FIGURE 1: FLIGHT COMPARTMENT - P1-3 PANEL MODIFICATION [Group 1-6, 8-12, 16-18, 20, 22-33] ................................................. 1 2 5 FIGURE 2: FLIGHT COMPARTMENT - P3-1 PANEL MODIFICATION [Group 1-6, 8-12, 16-18, 20, 22-33] ................................................. 1 2 7 FIGURE 3: FLIGHT COMPARTMENT - P1-3 AND P3-1 PANELS - PANELS MODIFICATION AND INOP MARKERS REMOVAL [Group 7, 13-15, 19, 21] ...................... 1 2 9 FIGURE 4: FLIGHT COMPARTMENT - P6-2 CIRCUIT BREAKER PANEL - C01698 CIRCUIT BREAKER INSTALLATION ........................................ 1 3 1 FIGURE 5: P1-3 AND P3-1 PANELS - W0001 AND W0003 WIRE BUNDLES ROUTING [Group 1-6, 8-12, 16-18, 20, 22-33] ....................................... 1 3 3 FIGURE 6: CHANGES TO THE W0001 WIRE BUNDLE [Group 1-3, 5-6, 8-12, 16-18, 20, 22-33] . . 134 FIGURE 7: CHANGES TO THE W0001 WIRE BUNDLE [Group 4] ................... 1 3 6
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Original Issue: January 07, 2010 737-31A1332Revision 3: March 28, 2012 3 of 301 BOEING SERVICE BULLETIN 737-31A1332
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FIGURE 8: CHANGES TO THE W0003 WIRE BUNDLE [Group 1-6, 8-12, 16-18, 20, 22-33] ..... 1 3 8 FIGURE 9: W2508, W5156 AND W5514 WIRE BUNDLES ROUTING [Group 1-6, 22-29] ...... 1 4 0 FIGURE 10: CHANGES TO THE W2508 WIRE BUNDLE [Group 5, 28] ................. 1 5 0 FIGURE 11: CHANGES TO THE W2508 WIRE BUNDLE [Group 1-4, 6, 22-27, 29] .......... 1 5 2 FIGURE 12: CHANGES TO THE W5156 WIRE BUNDLE [Group 1, 5-6, 8-11, 20, 22-23] ....... 1 5 4 FIGURE 13: CHANGES TO THE W5156 WIRE BUNDLE [Group 3] ................... 1 5 8 FIGURE 14: CHANGES TO THE W5156 AND W2114 WIRE BUNDLES [Group 4] ........... 1 6 2 FIGURE 15: CHANGES TO THE W5514 WIRE BUNDLE [Group 1-6, 22-29] .............. 1 6 7 FIGURE 16: W0040 AND W0054 WIRE BUNDLES ROUTING [Group 1-5, 7-10, 12-28, 30-31, 33] . . 169 FIGURE 17: CHANGES TO THE W0040 WIRE BUNDLE [Group 1-5, 7-10, 12-28, 30-31, 33] ..... 1 7 3 FIGURE 18: W0040 AND W0054 WIRE BUNDLES ROUTING [Group 6, 11, 29, 32] .......... 1 7 5 FIGURE 19: CHANGES TO THE W0040 WIRE BUNDLE [Group 6, 11, 29, 32] ............ 1 7 9 FIGURE 20: CHANGES TO THE W0054 WIRE BUNDLE ........................ 1 8 1 FIGURE 21: E1-1 ELECTRONICS SHELF - W0111 WIRE BUNDLE ROUTING ............ 1 8 3 FIGURE 22: CHANGES TO THE W0111 WIRE BUNDLE [Group 1-25, 27-33] ............. 1 8 4 FIGURE 23: W2103 WIRE BUNDLE ROUTING .............................. 1 8 6 FIGURE 24: CHANGES TO THE W2103 WIRE BUNDLE ........................ 1 9 1 FIGURE 25: CHANGES TO THE W5156 WIRE BUNDLE [Group 7, 13-14] ............... 1 9 3 FIGURE 26: CHANGES TO THE W5514 WIRE BUNDLE [Group 7] ................... 1 9 7 FIGURE 27: FORWARD ELECTRONICS COMPARTMENT CEILING - CABIN ALTITUDE WARNING - CABIN HIGH ALTITUDE WARNING SWITCH (12,650 SET POINT) INSTALLATION [Group 8-9, 11, 13-14, 16-18, 30-32] ..................................... 1 9 8 FIGURE 28: FORWARD ELECTRONICS COMPARTMENT CEILING - CABIN ALTITUDE WARNING - CABIN HIGH ALTITUDE WARNING SWITCH (14,000 SET POINT) INSTALLATION [Group 10, 20] ................................................. 2 0 1 FIGURE 29: P5-16 CABIN ALTITUDE AND RATE OF CLIMB MODULE - REMOVAL [Group 8-20, 30-33] ................................................. 2 0 4 FIGURE 30: P5-16 CABIN ALTITUDE AND RATE OF CLIMB MODULE - INSTALLATION [Group 8-20, 30-33] ................................................. 2 0 6 FIGURE 31: P5-10 AIR CONDITIONING PANEL - REPLACEMENT [Group 8, 10-11, 13, 16-17, 20, 31-32] ................................................. 2 0 8 FIGURE 32: P5-10 AIR CONDITIONING PANEL - REPLACEMENT [Group 9, 14, 18, 30] ....... 2 1 0 FIGURE 33: W2508, W5156 AND W5514 WIRE BUNDLES ROUTING [Group 8-21, 30-33] ...... 2 1 2 FIGURE 34: CHANGES TO THE W2508 WIRE BUNDLE [Group 8-11, 16, 30-32] ........... 2 2 3 FIGURE 35: CHANGES TO THE W2508 WIRE BUNDLE [Group 12, 33] ................ 2 2 7 FIGURE 36: CHANGES TO THE W2508 WIRE BUNDLE [Group 13-14] ................ 2 2 9 FIGURE 37: CHANGES TO THE W2508 WIRE BUNDLE [Group 15, 19, 21] .............. 2 3 2 FIGURE 38: CHANGES TO THE W5156 WIRE BUNDLE [Group 12] .................. 2 3 4 FIGURE 39: CHANGES TO THE W5156 WIRE BUNDLE [Group 13-15, 21] .............. 2 3 8 FIGURE 40: CHANGES TO THE W5514 WIRE BUNDLE [Group 8-9, 11, 16, 30-32] .......... 2 4 2 FIGURE 41: CHANGES TO THE W5514 WIRE BUNDLE [Group 12, 33] ................ 2 4 4 FIGURE 42: CHANGES TO THE W5514 WIRE BUNDLE [Group 13-14] ................ 2 4 6 FIGURE 43: CHANGES TO THE W5514 WIRE BUNDLE [Group 15, 19, 21] .............. 2 4 8 FIGURE 44: CHANGES TO THE W2508 WIRE BUNDLE [Group 17-18, 20] .............. 2 5 0 FIGURE 45: CHANGES TO THE W5514 WIRE BUNDLE [Group 17-18] ................ 2 5 4 FIGURE 46: CHANGES TO THE W5156 WIRE BUNDLE [Group 19] .................. 2 5 6 FIGURE 47: CHANGES TO THE W5514 WIRE BUNDLE [Group 10, 20] ................ 2 6 0
BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: January 07, 2010 737-31A1332Revision 3: March 28, 2012 4 of 301 BOEING SERVICE BULLETIN 737-31A1332
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FIGURE 48: CHANGES TO THE W2218 WIRE BUNDLE [Group 1, 3, 5-15, 19-21, 26] ........ 2 6 2 FIGURE 49: CHANGES TO THE W2218 AND W2135 WIRE BUNDLES [Group 22] .......... 2 6 4 FIGURE 50: CHANGES TO THE W2218 AND W2589 WIRE BUNDLES [Group 23] .......... 2 6 6 FIGURE 51: W5156 AND W5514 WIRE BUNDLES ROUTING [Group 7] ................ 2 6 8 FIGURE 52: CHANGES TO THE W5156 AND W2114 WIRE BUNDLES [Group 2, 16-18, 24-25, 28-32] . 279 FIGURE 53: CHANGES TO THE W5156 WIRE BUNDLE [Group 26] .................. 2 8 4 FIGURE 54: CHANGES TO THE W5156 AND W2114 WIRE BUNDLES [Group 27] .......... 2 8 8 FIGURE 55: CHANGES TO THE W5156 AND W2114 WIRE BUNDLES [Group 33] .......... 2 9 3 FIGURE 56: CHANGES TO THE W0111 WIRE BUNDLE [Group 26] .................. 2 9 7 APPENDIX A: P1-3, P3-1, P5-10 AND P5-16 PANELS - PART NUMBERS ................ 2 9 9
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Original Issue: January 07, 2010 737-31A1332Revision 3: March 28, 2012 5 of 301 BOEING SERVICE BULLETIN 737-31A1332
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BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: January 07, 2010 737-31A1332Revision 3: March 28, 2012 6 of 301 BOEING SERVICE BULLETIN 737-31A1332
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Commercial Airplanes 737 Service Bulletin ALERT Revision Transmittal SheetNumber: 737-31A1332Original Issue: January 07, 2010 Revision 3: March 28, 2012 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 Revision 1 or Revision 2 of this service bulletin.
REASON FOR REVISION This revision is sent to advise operators of several changes to the service bulletin. Because the change given in Figures 48-50 affect wiring changes previously accomplished in Service Bulletin 737-24A1141, Figures 15-17, airplane line numbers 1-740 are moved to new groups 24-25 and 27-33. New Figures 52-55 and new sets of work instructions have been created for airplane line numbers 1-740 (existing Group 2, 4, 16-18 and new Group 24-25, 27-33). Airplanes YD301-YD334 are moved to a new Group 26 because of a different wire configuration.
A new Figure 56 is created for Group 26 airplanes. YA630 is moved from Group 1 to Group 12 because this airplane was modified by the MR to a High Altitude cabin pressure warning configuration.
Also, Weight and Balance information is clarified for Group 4 and Group 7 airplanes. CMM references for BAE panel assemblies have changed. Group 7 airplanes are added to work instruction steps and a new wire routing Figure 51 is added for Group 7 airplanes. References list has been changed. Also, a note in Figure 11 of the service bulletin has changed to remove an incorrect wire number reference.
These sections were changed:
1. In Summary, Industry Support Information and in Paragraph 2.B., Industry Support Information, changed the industry support statement.
2. In Paragraph 1.H., Weight and Balance Changes, added a note.
3. In Paragraph 1.J.1., Existing Data, deleted the OHM 31-10-01 reference and added BAE Systems CMM references.
4. In Paragraph 1.J.1., Existing Data and Paragraph 3.B., Work Instructions, step 6, deleted the AMM reference 52-40-00.
5. In Paragraph 1.K., Publications Affected, added references.
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Original Issue: January 07, 2010 737-31A1332Revision 3: March 28, 2012 7 of 301
6. In Paragraph 2.C.1., Kits/Parts, wire kit 280A3143-109, added a note (f).
7. In Paragraph 2.A., Material - Price and Availability and in Paragraph 2.C.1., Kits/Parts, new supplemental wire kits 280A3162-101, -102 and -104 are added.
8. In Paragraph 2.C.2., Parts and Materials Supplied by the Operator, added a sleeve TFE-2X, non-perforated, standard wall, diameter 0.125 inch, length 72 inches.
9. In Paragraph 2.C.3., Parts Modified and Reidentified and APPENDIX A, P3-1 panel table, added notes (f) and (g).
10. In Paragraph 3.B., Work Instructions, changed applicability data and added work instructions for new groups.
11. In FIGURE 1 and FIGURE 2, changed notes (c) to show the correct BAE Systems CMM references 31-11-30 and 31-11-59.
12. In FIGURE 10, FIGURE 11, FIGURE 34, FIGURE 35 and FIGURE 44, deleted the incorrect wire number W2508-6005-22 from the second step table note.
13. In FIGURE 14, FIGURE 34, FIGURE 36, FIGURE 40 through 43, FIGURE 45, FIGURE 47, changed the illustration.
14. In FIGURE 16 and FIGURE 18, changed the illustration to show the correct W0054 wire bundle routing.
Also, the sleeve part number 002A0006-80 with an incorrect diameter is replaced with an operator supplied sleeve TFE-2X, diameter 0.125 inch.
15. In FIGURE 17, flag note table, deleted the sleeve part number 280A3143-10601.
16. In FIGURE 19, flag note table, deleted the sleeve part number 280A3143-11402.
17. In FIGURE 24, step table, added a note (g).
18. In FIGURE 25, FIGURE 38, FIGURE 39 and FIGURE 46, added longer wires from the 280A3143-118 wire kit to replace short wires in the 280A3143-110.
19. In FIGURE 29 through FIGURE 32, added BAE Systems CMM references.
20. In FIGURE 33, sheet 6, the illustration is changed to show the location of the SP797 splice.
21. In FIGURE 48, FIGURE 49 and FIGURE 50, changed illustrations and flag note tables. A new wire kit 280A3162-104 replaces the existing wire kit 280A3161-102.
22. FIGURE 51 is added to show wire routing for Group 7 airplanes.
23. FIGURE 52 through FIGURE 56, added new Figures.
Vertical lines are put on the left edge of each page, except in Paragraph 1.A., Effectivity, to show the location of important changes.
Pages with no vertical lines have no important changes.
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Original Issue: January 07, 2010 737-31A1332Revision 3: March 28, 2012 8 of 301 BOEING SERVICE BULLETIN 737-31A1332
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REVISION HISTORY January 07, 2010Original Issue:
June 24, 2010Revision 1:
August 18, 2011Revision 2:
March 28, 2012Revision 3:
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Original Issue: January 07, 2010 737-31A1332Revision 3: March 28, 2012 9 of 301 BOEING SERVICE BULLETIN 737-31A1332
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BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: January 07, 2010 737-31A1332Revision 3: March 28, 2012 10 of 301 BOEING SERVICE BULLETIN 737-31A1332
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BLANK PAGE
Commercial Airplanes 737 Service Bulletin ALERT SummaryNumber: 737-31A1332Original Issue: January 07, 2010 Revision 3: March 28, 2012 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 Refer to Paragraph 1.B., Concurrent Requirements.
BACKGROUND This service bulletin gives instructions to remove and replace the P1-3 and P3-1 instrument panels in the flight compartment with panels that include two warning level indicator lights. These indicator lights read "TAKEOFF CONFIG" and "CABIN ALTITUDE". The installation of these lights will provide a visual indication to the flight crew in addition to the existing aural warning horn for cabin altitude and takeoff configuration alerts. The visual warning lights are intended to provide an additional indication 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.
Fleet Team Digest (FTD) 737NG-FTD-31-06004 is related to this service bulletin.
Boeing Service Related Problem (SRP) 737-SRP-31-0042 is related to this service bulletin.
NOTE: Operators may wish to incorporate service bulletin 737-21-1165 concurrently with this service bulletin due to common access requirements.
As a part of a service bulletin validation program, this change was completed on airplane YA010 by Service Bulletin 737-31A1332 Original Issue before the release of Revision 1 of this service bulletin. The change completed on airplane YA010 by Service Bulletin 737-31A1332 Original Issue is equivalent to the release of Revision 1 of this service bulletin. Airplane YA010 has the configuration of a Group 1 airplane.
As a part of a service bulletin validation program, this change was completed on airplane YG035 by Service Bulletin 737-31A1332 Revision 1 before the release of Revision 2 of this service bulletin. The change completed on airplane YG035 by Service Bulletin 737-31A1332 Revision 1 is equivalent to the release of Revision 2 of this service bulletin. Airplane YG035 has the configuration of a Group 8 airplane.
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Original Issue: January 07, 2010 737-31A1332Revision 3: March 28, 2012 11 of 301
ACTION (PRR 38275-118S) Group 1-6, 8-12, 16-18, 20, 24-33:
Get access to the flight compartment. Remove the P1-3 and P3-1 instrument panels to install the "TAKEOFF CONFIG" and "CABIN ALTITUDE" indicator lights on the panels. Change the W0001 and W0003 wire bundles.
Install the changed P1-3 and P3-1 panels. On the P6-2 panel, install a new circuit breaker C01698. Change the W2508, W5156 and W5514 wire bundles. Change the W0040 and W0054 wire bundles. On the E1-1 electronics shelf, change the W0111 wire bundle. Change the W2103 wire bundle. Change the W2218 wire bundle.
Group 8-11, 16-18, 20, 30-32:
In the flight compartment, replace the existing P5-16 and P5-10 panels. At the lower forward fuselage, open the Forward Access Door 112A to get access into the area forward of the nose landing gear wheel well. On the ceiling of the forward electronics compartment, install the cabin high altitude warning switch S1172.
Group 12, 33:
In the flight compartment, replace the existing P5-16 panel.
Group 7, 13-15, 19, 21:
Get access to the flight compartment. Remove the INOP markers from the "TAKEOFF CONFIG" and "CABIN ALTITUDE" indicator lights and replace the "TAKEOFF CONFIG" lights on the P1 and P3 panels. On the P6-2 panel, install a new circuit breaker C01698. Change the W5156 and W5514 wire bundles. Change the W0040 and W0054 wire bundles. On the E1-1 electronics shelf, change the W0111 wire bundle. Change the W2103 wire bundle. Change the W2218 wire bundle.
Group 13-14:
In the flight compartment, replace the existing P5-16 and P5-10 panels. At the lower forward fuselage, open the Forward Access Door 112A to get access into the area forward of the nose landing gear wheel well. On the ceiling of the forward electronics compartment, install the cabin high altitude warning switch S1172. Change the W2508 wire bundle.
Group 15, 19:
In the flight compartment, replace the existing P5-16 panel. Change the W2508 wire bundle.
Group 22:
Get access to the flight compartment. Remove the P1-3 and P3-1 instrument panels to install the "TAKEOFF CONFIG" and "CABIN ALTITUDE" indicator lights on the panels. Change the W0001 and W0003 wire bundles.
Install the changed P1-3 and P3-1 panels. On the P6-2 panel, install a new circuit breaker C01698. Change the W2508, W5156 and W5514 wire bundles. Change the W0040 and W0054 wire bundles. On the E1-1 electronics shelf, change the W0111 wire bundle. Change the W2103 wire bundle. Change the W2218 and W2135 wire bundles.
Group 23:
Get access to the flight compartment. Remove the P1-3 and P3-1 instrument panels to install the "TAKEOFF CONFIG" and "CABIN ALTITUDE" indicator lights on the panels. Change the W0001 and W0003 wire bundles.
Install the changed P1-3 and P3-1 panels. On the P6-2 panel, install a new circuit breaker C01698. Change the W2508, W5156 and W5514 wire bundles. Change the W0040 and W0054 wire bundles. On the E1-1 electronics shelf, change the W0111 wire bundle. Change the W2103 wire bundle. Change the W2218 and W2589 wire bundles.
Do a test of the "TAKEOFF CONFIG" and "CABIN ALTITUDE" indicator lights.
BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: January 07, 2010 737-31A1332Revision 3: March 28, 2012 12 of 301 BOEING SERVICE BULLETIN 737-31A1332