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Commercial Airplanes 737 Service Bulletin
SPECIAL ATTENTION Number: 737-23-1302 Original Issue: August 24, 2009 ATA System: 2334 SUBJECT: COMMUNICATIONS - Passenger Entertainment System - Audio Entertainment Multiplexer Power Relay Wiring Change 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BOEING PROPRIETARY, CONFIDENTIAL, AND/OR TRADE SECRET Copyright © 2009 The Boeing Company Unpublished Work - All Rights Reserved Boeing claims copyright in each page of this document only to the extent that the page contains copyrightable subject matter.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, 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BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.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: August 24, 2009 737-23-1302 1 of 116
3.0
BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: August 24, 2009 737-23-1302 2 of 116 BOEING SERVICE BULLETIN 737-23-1302
BLANK PAGE
Table of Contents
Summary5
1. PLANNING INFORMATION9
A. Effectivity9
1. Airplanes9
2. Spares Affected ........................................ 1 0 B. Concurrent Requirements ...................................... 1 0 C. Reason ................................................ 1 0 D. Description .............................................. 1 1 E. Compliance .............................................. 1 2 F. Approval ............................................... 1 2 G. Manpower .............................................. 1 2 H. Weight and Balance Changes .................................... 1 6 I. Electrical Load Data ......................................... 1 7 J. References .............................................. 1 8
1. Existing Data .......................................... 1 8
2. Data supplied with this Service Bulletin ............................ 1 8
3. Installation Drawings Used in the Preparation of this Service Bulletin ............ 1 8 K. Publications Affected ........................................ 1 8 L. Interchangeability and Intermixability of Parts ........................... 1 9
2. MATERIAL INFORMATION ........................................ 2 1 A. Material - Price and Availability ................................... 2 1 B. Industry Support Information .................................... 2 1 C. Parts Necessary For Each Airplane ................................. 2 1
1. Kits/Parts ............................................ 2 1
2. Parts and Materials Supplied by the Operator ........................ 2 1
3. Parts Modified and Reidentified ................................ 3 3
4. Parts Removed and Not Replaced .............................. 3 3 D. Parts Necessary to Change Spares ................................. 3 3 E. Special Tooling - Price and Availability ............................... 3 3 F. Special Tooling Necessary to do this Service Bulletin ....................... 3 3
3. ACCOMPLISHMENT INSTRUCTIONS .................................. 3 5 A. GENERAL INFORMATION ..................................... 3 5 B. WORK INSTRUCTIONS ....................................... 3 5 FIGURE 1: REMOVE AND KEEP RELAY R364 FROM THE E6-1 ELECTRONICS SHELF [Group 1] . 48 FIGURE 2: CHANGES TO WIRE BUNDLE W095 ON THE E6-1 ELECTRONICS SHELF [Group 1] . 50 FIGURE 3: INCREASE HOLE SIZE IN THE E2-1 ELECTRONICS SHELF [Group 1] .......... 5 2 FIGURE 4: WIRE ROUTING FOR WIRE BUNDLE W015 ON THE E2-1 ELECTRONICS SHELF [Group 1] .................................................. 5 4 FIGURE 5: CHANGES TO WIRE BUNDLE W015 ON THE E2-1 ELECTRONICS SHELF [Group 1] . 55 FIGURE 6: WIRE ROUTING FOR WIRE BUNDLE W111 BETWEEN THE E2-1 ELECTRONICS SHELF AND STA 227 [Group 1] .................................... 6 3 FIGURE 7: CHANGES TO WIRE BUNDLE W111 BETWEEN THE E2-1 ELECTRONICS SHELF AND STA 227 [Group 1] .......................................... 6 6 FIGURE 8: INSTALL RELAY R364 AT THE E2-1 ELECTRONICS SHELF [Group 1] .......... 6 9 FIGURE 9: WIRE ROUTING FOR WIRE BUNDLE W5031 ON THE E5-1 ELECTRONICS SHELF [Group 2-4] ............................................... 7 1 BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: August 24, 2009 737-23-1302 3 of 116 BOEING SERVICE BULLETIN 737-23-1302
FIGURE 10: WIRE ROUTING FOR WIRE BUNDLE W5031 ON THE E5-1 ELECTRONICS SHELF [Group 5 ] ................................................ 7 2 FIGURE 11: CHANGES TO WIRE BUNDLE W5031 ON THE E5-1 ELECTRONICS SHELF [Group 2-5] . 73 FIGURE 12: WIRE ROUTING FOR WIRE BUNDLE W111 BETWEEN THE E5-1 ELECTRONICS SHELF AND STA 227 [Group 2, 5] ................................... 7 5 FIGURE 13: CHANGES TO WIRE BUNDLE W111 BETWEEN THE E5-1 ELECTRONICS SHELF AND STA 227 [Group 2-3, 5] ....................................... 7 8 FIGURE 14: WIRE ROUTING FOR WIRE BUNDLE W111 BETWEEN THE E5-1 ELECTRONICS SHELF AND STA 227 [Group 3-4] ................................... 8 0 FIGURE 15: CHANGES TO WIRE BUNDLE W111 BETWEEN THE E5-1 ELECTRONICS SHELF AND STA 227 [Group 4] .......................................... 8 3 FIGURE 16: WIRE ROUTING FOR WIRE BUNDLE W005 ON THE E1-1 ELECTRONICS SHELF [Group 6] .................................................. 8 5 FIGURE 17: CHANGES TO WIRE BUNDLE W005 ON THE E1-1 ELECTRONICS SHELF [Group 6] . 86 FIGURE 18: WIRE ROUTING FOR WIRE BUNDLE W103 BETWEEN THE E1-1 ELECTRONICS SHELF AND STA 227 [Group 6] .................................... 8 8 FIGURE 19: CHANGES TO WIRE BUNDLE W103 BETWEEN THE E1-1 ELECTRONICS SHELF AND STA 227 [Group 6] .......................................... 9 0 FIGURE 20: WIRE ROUTING FOR WIRE BUNDLE W5031 ON THE E5-1 ELECTRONICS SHELF [Group 7-8] ............................................... 9 2 FIGURE 21: CHANGES TO WIRE BUNDLE W5031 ON THE E5-1 ELECTRONICS SHELF [Group 7] . 93 FIGURE 22: CHANGES TO WIRE BUNDLE W5031 ON THE E5-1 ELECTRONICS SHELF [Group 8] . 98 FIGURE 23: WIRE ROUTING FOR WIRE BUNDLE W015 ON THE E2-1 ELECTRONICS SHELF [Group 9] ................................................. 1 0 3 FIGURE 24: CHANGES TO WIRE BUNDLE W015 ON THE E2-1 ELECTRONICS SHELF [Group 9] . 104 FIGURE 25: WIRE ROUTING FOR WIRE BUNDLE W111 BETWEEN THE E2-1 ELECTRONICS SHELF AND STA 227 [Group 10] ................................... 1 0 9 FIGURE 26: CHANGES TO WIRE BUNDLE W111 BETWEEN THE E2-1 ELECTRONICS SHELF AND STA 227 [Group 10] ........................................ 1 1 2 FIGURE 27: CIRCUIT BREAKER LOCATION AT THE P6-1 PANEL [Group 10] ............ 1 1 4 FIGURE 28: CHANGES TO WIRE BUNDLE W031 AT THE P6-1 PANEL [Group 10] ......... 1 1 5 BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: August 24, 2009 737-23-1302 4 of 116 BOEING SERVICE BULLETIN 737-23-1302
Commercial Airplanes 737 Service Bulletin
SPECIAL ATTENTION SummaryNumber: 737-23-1302Original Issue: August 24, 2009 ATA System: 2334 SUBJECT: COMMUNICATIONS - Passenger Entertainment System - Audio Entertainment Multiplexer Power Relay Wiring Change BOEING RECOMMENDS THAT EACH OPERATOR EXAMINE THIS SERVICE BULLETIN IMMEDIATELY.
CONCURRENT REQUIREMENTS None.
BACKGROUND This service bulletin gives instructions to make changes to the In-Flight Entertainment (IFE) System. These changes will remove the 115 volt power supply from the IFE system Seat Electronics Boxes (SEBs) when the Entertainment Control Switch S857 at the P13 Attendant Panel on the Fwd Lavatory Wall is in the OFF position.
If you do not do the changes given in this service bulletin, the power supply cannot be removed from the SEBs when the entertainment control switch is in the OFF position. This could cause a shock hazard to maintenance personnel.
Boeing received a report from a 757 operator that the cabin crew noticed an electrical burning smell from the seat track cover. An investigation found that there was an indication of heat damage to the wires that connect the SEBs. This damage was caused by electrical arcing at a SEB terminator. 737 airplanes have a similar wiring configuration to 757 airplanes.
Boeing reviewed the operator's investigation and found that the Entertainment Control Switch, S857, at the P13 Attendant Panel had no effect on the removal of electrical power from the SEBs. Accomplishment of this service bulletin will let the Entertainment Control Switch S857 control the electrical power to the SEBs.
Boeing Service Related Problem (SRP) 737-SRP-23-0075 is related to this service bulletin.
Fleet Team Digest (FTD) 737 FTD 23-07001 is related to this service bulletin.
ACTION (PRR 35005-284RS) Group 1:
Get access to the E6-1 electronics shelf and make changes to wire bundle W095 and remove and keep one relay. Get access to the Main Equipment Center and make changes to wire bundles W015 and W111. At the E2-1 electronics shelf relay bracket, increase the relay hole size and install the kept relay. Do a test to make sure the 115 volt power supply is removed from the passenger seats.
BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: August 24, 2009 737-23-1302 5 of 116
Group 2-5:
Get access to the Main Equipment Center and make changes to wire bundles W111 and W5031. Do a test to make sure the 115 volt power supply is removed from the passenger seats.
Group 6:
Get access to the Main Equipment Center and make changes to wire bundles W005 and W103. Do a test to make sure the 115 volt power supply is removed from the passenger seats.
Group 7-8:
Get access to the Main Equipment Center and make changes to wire bundle W5031. Do a test to make sure the 115 volt power supply is removed from the passenger seats.
Group 9:
Get access to the Main Equipment Center and make changes to wire bundle W015. Do a test to make sure the 115 volts power supply is removed from the passenger seats.
Group 10:
Get access to the Main Equipment Center and make changes to wire bundle W111. In the Flight Compartment at the P6 panel make changes to wire bundle W031.
EFFECTIVITY 737-300/-400/-500 Airplanes. Refer to Paragraph 1.A., Effectivity, Airplanes for the list of affected airplanes.
COMPLIANCE The Federal Aviation Administration (FAA) will possibly release an Airworthiness Directive related to this service bulletin. The Airworthiness Directive will make the compliance tasks and times given in this service bulletin mandatory.
Boeing recommends that the change given in this service bulletin be done within 24 months after the date on this service bulletin.
INDUSTRY SUPPORT INFORMATION Boeing warranty remedies are not available for the given in this service bulletin.
MANPOWER Refer to Paragraph 1.G., Manpower.
MATERIAL INFORMATION Operator Supplied Parts/Materials.
Refer to Paragraph 2.A., Material - Price and Availability BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: August 24, 2009 737-23-1302 6 of 116 BOEING SERVICE BULLETIN 737-23-1302
BOEING SERVICE BULLETIN 737-23-1302
• E6-1 ELECTRONICS SHELF:
- CHANGE WIRE BUNDLE W095
AND REMOVE ONE RELAY (GROUP 1) P6 PANEL: MAIN EQUIPMENT CENTER:
- CHANGE WIRE BUNDLE - CHANGE WIRE BUNDLES W015 AMD W111 W031 (GROUP 10) - CHANGE WIRE BUNDLES W5031 AND W111 AND INSTALL ONE RELAY (GROUP 1) (GROUP 2-5)
- CHANGE WIRE BUNDLES W005 AND W103 (GROUP 6)
- CHANGE WIRE BUNDLE W5031 (GROUP 7-8)
- CHANGE WIRE BUNDLE W015 (GROUP 9)
- CHANGE WIRE BUNDLE W111 (GROUP 10) 1580170 Original Issue: August 24, 2009 737-23-1302 BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. 7 of 116
BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: August 24, 2009 737-23-1302 8 of 116 BOEING SERVICE BULLETIN 737-23-1302
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Commercial Airplanes 737 Service Bulletin
SPECIAL ATTENTION Number: 737-23-1302 Original Issue: August 24, 2009 ATA System: 2334 SUBJECT: COMMUNICATIONS - Passenger Entertainment System - Audio Entertainment Multiplexer Power Relay Wiring Change BOEING RECOMMENDS THAT EACH OPERATOR EXAMINE THIS SERVICE BULLETIN IMMEDIATELY.
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. An equivalent change is on subsequent production airplanes. Refer to PRR 35005-284RS for data about this change.
DESCRIPTIONCONFIGURATIONGROUP 737-300/-400/-500 airplanes with different wire configurations-1 737-300/-400/-500 airplanes with different wire configurations-2 737-300/-400/-500 airplanes with different wire configurations-3 737-300/-400/-500 airplanes with different wire configurations-4 737-300/-400/-500 airplanes with different wire configurations-5 737-300/-400/-500 airplanes with different wire configurations-6 737-300/-400/-500 airplanes with different wire configurations-7 737-300/-400/-500 airplanes with different wire configurations-8 737-300/-400/-500 airplanes with different wire configurations-9 BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: August 24, 2009 737-23-1302 9 of 116
DESCRIPTIONCONFIGURATIONGROUP 737-300/-400/-500 airplanes with different wire configurations-10 Airplane Models:
737-300, 737-400, 737-500 GroupVariable Number 7PJ551 - PJ561 9PS896 - PS897 1PT001 - PT004 2PT005 - PT015 1PT021 - PT024 3PT025 - PT031 10PT671 - PT672 5PV351 8PW201 - PW207 7PW208 - PW230 6PW266 1PW571 - PW574 3PW575 - PW576 4PW711 - PW717 10PW741 - PW742
2. Spares Affected None.
B. Concurrent Requirements None.
C. Reason This service bulletin gives instructions to make changes to the In-Flight Entertainment (IFE) System.
These changes will remove the 115 volt power supply from the IFE system Seat Electronics Boxes (SEBs) when the Entertainment Control Switch S857 at the P13 Fwd Attendant Panel on the Fwd Lavatory Wall is in the OFF position. If you do not do the changes given in this service bulletin, the power supply cannot be removed from the SEBs when the entertainment control switch is in the OFF position. This could cause a shock hazard to maintenance personnel.
BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: August 24, 2009 737-23-1302 10 of 116 BOEING SERVICE BULLETIN 737-23-1302
Boeing received a report from a 757 operator that the cabin crew noticed an electrical burning smell from the seat track cover. An investigation found that there was an indication of heat damage to the wires that connect the SEBs. This damage was caused by electrical arcing at a SEB terminator. 737 airplanes have a similar wiring configuration to 757 airplanes.
Boeing reviewed the operator's investigation and found that the Entertainment Control Switch S857 at the P13 Attendant Panel had no effect on the removal of electrical power from the SEBs. Accomplishment of this service bulletin will let the Entertainment Control Switch S857 control the electrical power to the SEBs.
Boeing Service Related Problem (SRP) 737-SRP-23-0075 is related to this service bulletin.
Fleet Team Digest (FTD) 737 FTD 23-07001 is related to this service bulletin.
D. Description Group 1:
Get access to the E6-1 electronics shelf and make changes to wire bundle W095 and remove and keep one relay. Get access to the Main Equipment Center and make changes to wire bundles W015 and W111. At the E2-1 electronics shelf relay bracket, increase the relay hole size and install the kept relay. Do a test to make sure the 115 volt power supply is removed from the passenger seats.
Group 2-5:
Get access to the Main Equipment Center and make changes to wire bundles W111 and W5031. Do a test to make sure the 115 volt power supply is removed from the passenger seats.
Group 6:
Get access to the Main Equipment Center and make changes to wire bundles W005 and W103. Do a test to make sure the 115 volt power supply is removed from the passenger seats.
Group 7-8:
Get access to the Main Equipment Center and make changes to wire bundle W5031. Do a test to make sure the 115 volt power supply is removed from the passenger seats.
Group 9:
Get access to the Main Equipment Center and make changes to wire bundle W015. Do a test to make sure the 115 volts power supply is removed from the passenger seats.
Group 10:
Get access to the Main Equipment Center and make changes to wire bundle W111. In the Flight Compartment at the P6 panel make changes to wire bundle W031.
The work in this service bulletin is done in the maintenance zone(s) given below.
Group 1, 3, 10:
Affected Maintenance Zones ZoneModel 102, 205737-400, 737-500 BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: August 24, 2009 737-23-1302 11 of 116 BOEING SERVICE BULLETIN 737-23-1302
Group 2:
Affected Maintenance Zones ZoneModel 102, 205737-500 Group 4-8:
Affected Maintenance Zones ZoneModel 102, 205737-400 Group 9:
Affected Maintenance Zones ZoneModel 102, 205737-300 E. Compliance The Federal Aviation Administration (FAA) will possibly release an Airworthiness Directive related to this service bulletin. The Airworthiness Directive will make the compliance tasks and times given in this service bulletin mandatory.
Boeing recommends that the change given in this service bulletin be done within 24 months after the date on this service bulletin.
F. Approval This service bulletin was examined by the Federal Aviation Administration (FAA). The changes specified in this service bulletin comply with the applicable regulations and are FAA approved, as well as European Aviation Safety Agency (EASA)/Joint Aviation Authorities (JAA) approved for all EASA/JAA approved airplanes listed in the service bulletin effectivity. This service bulletin and its approval were based on the airplane in its original Boeing delivery configuration or as modified by other approved Boeing changes.
If an airplane has a non-Boeing modification or repair that affects a component or system also affected by this service bulletin, the operator is responsible for obtaining appropriate regulatory agency approval before incorporating this service bulletin.
G. Manpower The table below shows an estimate of the task hours necessary to do this change for each airplane.
This estimate is for direct labor only, done by an experienced crew. Adjust the estimate with operator task hour data if necessary. The estimate does not include lost time. These are some examples of lost time:
BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: August 24, 2009 737-23-1302 12 of 116 BOEING SERVICE BULLETIN 737-23-1302