### Commercial **Airplanes** 

# 737 Service Bulletin **SPECIAL ATTENTION Number: 737-30-1058**  Original Issue: July 27, 2006 Revision 3: July 07, 2010 ATA System: 3041 **SUBJECT:** ICE AND RAIN PROTECTION - Control Cabin Window Anti-Icing System - Coil Cord Assembly Replacement on the Number 2 Windows in the Flight Compartment 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. 9E991 ECCN: 

## BOEING PROPRIETARY, CONFIDENTIAL, AND/OR TRADE SECRET Copyright © 2006 The Boeing Company Unpublished Work - All Rights Reserved Boeing claims copyright in each page of this document only to the extent that the page contains copyrightable subject matter.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BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3: July 07, 2010 1 of 36 2.0BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3: July 07, 2010 2 of 36 **BOEING SERVICE BULLETIN 737-30-1058**

BLANK PAGE**Table of Contents** Revision Transmittal Sheet............................................ 5 Summary...................................................... 7 1. PLANNING INFORMATION........................................ 9 A. Effectivity................................................ 9 1. Airplanes............................................. 9 2. Spares Affected. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 B. Concurrent Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 C. Reason. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 D. Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 E. Compliance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 F. Approval. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 G. Manpower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 H. Weight and Balance Changes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 I. Electrical Load Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 J. References. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 1. Existing Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 2. Data supplied with this Service Bulletin. . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 3. Installation Drawings Used in the Preparation of this Service Bulletin. . . . . . . . . . . . 18 K. Publications Affected. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 L. Interchangeability and Intermixability of Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . 19 2. MATERIAL INFORMATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 A. Material - Price and Availability. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 B. Industry Support Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 C. Parts Necessary For Each Airplane. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 1. Kits/Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 2. Parts and Materials Supplied by the Operator. . . . . . . . . . . . . . . . . . . . . . . . 22 3. Parts Modified and Reidentified. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 4. Parts Removed and Not Replaced. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 D. Parts Necessary to Change Spares. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 E. Special Tooling - Price and Availability. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 F. Special Tooling Necessary to do this Service Bulletin. . . . . . . . . . . . . . . . . . . . . . . 23 3. ACCOMPLISHMENT INSTRUCTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 A. GENERAL INFORMATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 B. WORK INSTRUCTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 FIGURE 1: CAPTAIN'S SIDE - COIL CORD AND PANEL REMOVAL. . . . . . . . . . . . . . . . . . 27 FIGURE 2: CAPTAIN'S SIDE - IDENTIFICATION TAPE INSTALLATION. . . . . . . . . . . . . . . . 28 FIGURE 3: CAPTAIN'S SIDE - CONNECTOR KEYWAY INSPECTION. . . . . . . . . . . . . . . . . 29 FIGURE 4: CAPTAIN'S SIDE - RECLOCKING OF THE CONNECTOR KEYWAY. . . . . . . . . . . 30 FIGURE 5: CAPTAIN'S SIDE - COIL CORD AND PANEL INSTALLATION. . . . . . . . . . . . . . . 31 FIGURE 6: FIRST OFFICER'S SIDE - COIL CORD AND PANEL REMOVAL. . . . . . . . . . . . . . 32 FIGURE 7: FIRST OFFICER'S SIDE - IDENTIFICATION TAPE INSTALLATION. . . . . . . . . . . . 33 FIGURE 8: FIRST OFFICER'S SIDE - CONNECTOR KEYWAY INSPECTION. . . . . . . . . . . . . 34 FIGURE 9: FIRST OFFICER'S SIDE - RECLOCKING OF THE CONNECTOR KEYWAY. . . . . . . 35 FIGURE 10: FIRST OFFICER'S SIDE - COIL CORD AND PANEL INSTALLATION. . . . . . . . . . . 36

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3: July 07, 2010 3 of 36 **BOEING SERVICE BULLETIN 737-30-1058**BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3: July 07, 2010 4 of 36 **BOEING SERVICE BULLETIN 737-30-1058**

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### Commercial **Airplanes** 

# 737 Service Bulletin **SPECIAL ATTENTION Revision Transmittal Sheet**  **Number: 737-30-1058** Original Issue: July 27, 2006 Revision 3: July 07, 2010 ATA System: 3041 **SUBJECT:** ICE AND RAIN PROTECTION - Control Cabin Window Anti-Icing System - Coil Cord Assembly Replacement on the Number 2 Windows in the Flight Compartment This revision includes all pages of the service bulletin. **COMPLIANCE INFORMATION RELATED TO THIS REVISION** Boeing recommends that the change given in this service bulletin be done within 48 months after the Revision 3 date of this service bulletin. No more work is necessary on airplanes changed in accordance with the original issue, Revision 1, or Revision 2 of this service bulletin. **REASON FOR REVISION** This revision is sent to notify operators that the Federal Aviation Administration (FAA) will possibly release an Airworthiness Directive (AD) related to this service bulletin. The AD will make the compliance tasks and times given in this service bulletin mandatory. These sections were changed: 1. On the Summary page, in the Compliance paragraph, a compliance time was added to accomplish this service bulletin. 2. In Paragraph 1.E., Compliance, added a compliance time to accomplish this service bulletin. 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. **REVISION HISTORY** July 27, 2006 Original Issue: June 18, 2007 Revision 1: February 13, 2009 Revision 2: July 07, 2010 Revision 3:

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3: July 07, 2010 5 of 36BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3: July 07, 2010 6 of 36 **BOEING SERVICE BULLETIN 737-30-1058**

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### Commercial **Airplanes** 

# 737 Service Bulletin **SPECIAL ATTENTION Summary**  **Number: 737-30-1058** Original Issue: July 27, 2006 Revision 3: July 07, 2010 ATA System: 3041 **SUBJECT:** ICE AND RAIN PROTECTION - Control Cabin Window Anti-Icing System - Coil Cord Assembly Replacement on the Number 2 Windows in the Flight Compartment BOEING RECOMMENDS THAT EACH OPERATOR EXAMINE THIS SERVICE BULLETIN IMMEDIATELY. **CONCURRENT REQUIREMENTS** None. **BACKGROUND** Boeing received a report from an operator of arcing and smoke at the left number 2 window in the flight compartment. An investigation showed the cause of this problem to be mechanical damage at the connector backshell of the coil cord assembly. The new assembly will prevent mechanical damage which could cause a fire in the flight compartment. This service bulletin gives instructions to install a new coil cord assembly on the captain’s and first officer’s sides of the number 2 windows in the flight compartment. This bulletin also gives instructions to inspect and reclock the connector keyways if necessary. Boeing Service Related Problem (SRP) 737-SRP-56-0017 is related to this service bulletin. **ACTION (PRR 38275-97)** Get access to the flight compartment. Do an inspection of the connector keyway’s orientation on both sides of the coil cord located on the captain’s and first officer’s number 2 windows. Reclock the connector keyway if necessary and replace the coil cord assembly. Do the Window Heat Control Unit (WHCU) Test. **EFFECTIVITY** 737-600, -700, -700C, -800, -900 Airplanes. See Service Bulletin Paragraph 1.A.1., Airplanes, for the list of affected airplanes.

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3: July 07, 2010 7 of 36**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 48 months after the Revision 3 date of this service bulletin. **INDUSTRY SUPPORT INFORMATION** Boeing warranty remedies are available for airplanes in warranty as of August 8, 2005. Please refer to Paragraph 2.B., Industry Support Information. **MANPOWER Elapsed Hours**  **Total Task Hours Airplanes**  3.25 5.50 Group 1
**MATERIAL INFORMATION** Boeing Supplied Kits/Parts. Refer to Paragraph 2.A., Material - Price and Availability.

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3: July 07, 2010 8 of 36 **BOEING SERVICE BULLETIN 737-30-1058**

### Commercial **Airplanes** 

# 737 Service Bulletin **SPECIAL ATTENTION Number: 737-30-1058**  Original Issue: July 27, 2006 Revision 3: July 07, 2010 ATA System: 3041 **SUBJECT:** ICE AND RAIN PROTECTION - Control Cabin Window Anti-Icing System - Coil Cord Assembly Replacement on the Number 2 Windows in the Flight Compartment 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 PRR38275-97 for data about this change.
**DESCRIPTION CONFIGURATION**  **GROUP** Airplanes with one 90 degree and one straight connector backshell installed on window number 2. - 1

Airplane Models: 737-600, 737-700, 737-700C, 737-800, 737-900 **Group Variable Number**  1 YA001 - YA099 1 YA101 - YA199 1 YA201 - YA211 1 YA221 1 YA231 - YA242 1 YA251 - YA256 1 YA271 - YA272

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3: July 07, 2010 9 of 36**Group Variable Number**  1 YA291 1 YA301 - YA302 1 YA311 - YA314 1 YA321 - YA323 1 YA336 - YA345 1 YA351 1 YA356 - YA357 1 YA366 - YA367 1 YA371 - YA377 1 YA501 - YA536 1 YA541 - YA552 1 YA571 - YA578 1 YA601 - YA615 1 YA621 - YA622 1 YA626 - YA631 1 YA635 - YA636 1 YA641 - YA642 1 YA645 - YA650 1 YA656 - YA659 1 YA666 - YA667 1 YA671 - YA672 1 YA681 - YA691 1 YA701 - YA710 1 YA721 - YA722 1 YA731 - YA734 1 YA751 - YA756 1 YA801 - YA803 1 YA809 1 YA811 - YA814 1 YA831 - YA835 1 YA841 - YA862 1 YA881 - YA882 1 YA891 - YA892

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3: July 07, 2010 10 of 36 **BOEING SERVICE BULLETIN 737-30-1058 Group**  **Variable Number** 1 YA961 - YA977 1 YB001 - YB006 1 YB101 - YB132 1 YB151 - YB153 1 YB156 - YB158 1 YB161 - YB164 1 YB171 - YB172 1 YB181 - YB184 1 YB201 - YB208 1 YB271 1 YB276 1 YB301 - YB310 1 YB371 - YB390 1 YB501 - YB502 1 YB521 - YB526 1 YB541 - YB544 1 YB551 1 YB561 - YB579 1 YB581 - YB596 1 YB601 - YB632 1 YB651 1 YB656 1 YB851 - YB863 1 YB871 - YB874 1 YB881 - YB890 1 YB901 - YB903 1 YB911 1 YB961 - YB964 1 YC001 - YC030 1 YC051 - YC083 1 YC091 - YC094 1 YC101 - YC104 1 YC111 - YC113

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3: July 07, 2010 11 of 36 **BOEING SERVICE BULLETIN 737-30-1058 Group**  **Variable Number** 1 YC121 1 YC126 - YC127 1 YC136 - YC141 1 YC146 - YC147 1 YC151 - YC156 1 YC166 - YC171 1 YC176 - YC178 1 YC186 - YC189 1 YC201 - YC203 1 YC206 - YC207 1 YC301 - YC305 1 YC321 - YC387 1 YC391 - YC394 1 YC396 1 YC401 - YC417 1 YC421 - YC422 1 YC426 - YC428 1 YC436 - YC437 1 YC441 - YC448 1 YC451 - YC455 1 YC459 1 YC461 - YC467 1 YC471 - YC499 1 YC501 - YC526 1 YC571 - YC583 1 YC587 - YC589 1 YC591 - YC593 1 YC601 - YC655 1 YC681 - YC696 1 YC701 - YC715 1 YC720 - YC725 1 YC727 - YC742 1 YC751 - YC752

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3: July 07, 2010 12 of 36 **BOEING SERVICE BULLETIN 737-30-1058 Group**  **Variable Number** 1 YC761 - YC770 1 YC781 - YC793 1 YC801 - YC892 1 YC901 - YC907 1 YC921 - YC922 1 YC931 - YC932 1 YC941 - YC951 1 YC971 - YC978 1 YC981 - YC983 1 YD001 - YD007 1 YD021 - YD025 1 YD041 - YD057 1 YD081 - YD084 1 YD101 - YD110 1 YD121 - YD126 1 YD151 - YD159 1 YD171 - YD172 1 YD201 - YD203 1 YD206 - YD209 1 YD216 - YD219 1 YD251 - YD254 1 YD256 - YD257 1 YD261 1 YD301 - YD334 1 YD391 1 YD401 - YD410 1 YD412 - YD414 1 YD481 - YD485 1 YD491 - YD494 1 YD501 - YD512 1 YD531 - YD535 1 YD541 - YD547 1 YD561 - YD564

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3: July 07, 2010 13 of 36 **BOEING SERVICE BULLETIN 737-30-1058 Group**  **Variable Number** 1 YD571 - YD572 1 YD591 - YD595 1 YD601 - YD612 1 YD651 - YD655 1 YE001 - YE020 1 YE051 1 YE101 - YE109 1 YE151 - YE157 1 YE171 - YE172 1 YE201 - YE206 1 YE301 - YE305 1 YE321 - YE326 1 YE371 - YE378 1 YG001 - YG044 1 YG061 - YG064 1 YG066 - YG089 1 YG091 - YG096 1 YG101 1 YG201 - YG204 1 YG211 - YG213 1 YG501 - YG509 1 YG601 - YG602 1 YJ001 - YJ005 1 YJ011 - YJ013 1 YJ021 1 YJ471 - YJ480 1 YJ501 - YJ517 1 YJ531 - YJ552 1 YJ591 - YJ594 1 YJ631 - YJ632 1 YJ671 - YJ685 1 YJ690 - YJ692 1 YJ801 - YJ867

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3: July 07, 2010 14 of 36 **BOEING SERVICE BULLETIN 737-30-1058 Group**  **Variable Number** 1 YJ871 1 YJ901 - YJ902 1 YJ911 - YJ928 1 YJ931 - YJ936 1 YJ941 - YJ947 1 YK001 - YK007 1 YK101 - YK104 1 YK111 - YK112 1 YK121 - YK122 1 YK131 - YK132 1 YK136 - YK137 1 YK141 - YK142 1 YK146 - YK147 1 YK151 - YK154 1 YK301 - YK305 1 YK321 - YK331 1 YK361 - YK369 1 YK401 - YK406 1 YK426 - YK427 1 YK431 - YK435 1 YK456 - YK460 1 YK476 1 YK480 - YK484 1 YK511 - YK514 1 YK551 - YK560 1 YK571 1 YK601 - YK602 1 YK611 - YK613 1 YK621 - YK622 1 YK631 1 YK641 - YK642 1 YK701 - YK707 1 YK721

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3: July 07, 2010 15 of 36 **BOEING SERVICE BULLETIN 737-30-1058 Group**  **Variable Number** 1 YK801 - YK818 1 YK901 - YK906 1 YK941 1 YL001 - YL003 1 YL011 1 YM101 - YM103 1 YM201 - YM210 1 YM251 - YM292 1 YM471 1 YM481 - YM484 1 YM501 - YM507 1 YM521 - YM522 1 YM541 1 YM551 - YM553 1 YM571 - YM572 1 YM591 - YM592 1 YN001 - YN005 1 YN061 1 YN101 - YN105 2. Spares Affected Examine your spares supply for the parts or components identified in Paragraph 2.C., Parts Necessary for Each Airplane. If any parts or components are found, refer to Paragraph 2.C. for the recommended use. **B. Concurrent Requirements** None. **C. Reason** Boeing received a report from an operator of arcing and smoke at the left number 2 window in the flight compartment. An investigation showed the cause of this problem to be mechanical damage at the connector backshell of the coil cord assembly. The new assembly will prevent mechanical damage which could cause a fire in the flight compartment. This service bulletin gives instructions to install a new coil cord assembly on the captain’s and first officer’s sides of the number 2 windows in the flight compartment. This bulletin also gives instructions to inspect and reclock the connector keyways if necessary.

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3: July 07, 2010 16 of 36 **BOEING SERVICE BULLETIN 737-30-1058**Revision 2 is sent to change the illustrations in Figures 2 and 7 to show the correct station (STA) locations for the coil cord connectors. Boeing Service Related Problem (SRP) 737-SRP-56-0017 is related to this service bulletin. Revision 3 is sent to notify operators that the change in this service bulletin must be done within 48 months after the Revision 3 date of this service bulletin. **D. Description** Revision 2: No more work is necessary on airplanes changed as shown in the original issue or Revision 1 of this service bulletin. Revision 3: No more work is necessary on airplanes changed in accordance with the original issue, Revision 1, or Revision 2 of this service bulletin. Get access to the flight compartment. Do an inspection of the connector keyway’s orientation on both sides of the coil cord located on the captain’s and first officer’s number 2 windows. Reclock the connector keyway if necessary and replace the coil cord assembly. Do the Window Heat Control Unit (WHCU) Test. The work in this service bulletin is done in the maintenance zone(s) given below.
**Affected Maintenance Zones Zone**  **Model** 211, 212 737-600, 737-700, 737-700C, 737-800, 737-900 **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 48 months after the Revision 3 date of 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.

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3: July 07, 2010 17 of 36 **BOEING SERVICE BULLETIN 737-30-1058 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: • Time to adjust to the workplace • Time to schedule the work • Time to inspect the work • Time to cure the materials • Time to make the parts **Elapsed Hours Task Hours**  **Number of Per- sons**  **Task**
0.25 0.25 1 Open Access 0.25 0.25 1 Inspect 2.25 4.50 2 Change 0.25 0.25 1 Close Access 0.25 0.25 1 Test 3.25 5.50 TOTAL FOR EACH AIRPLANE **H. Weight and Balance Changes** None. **I. Electrical Load Data** Not changed. **J. References** 1. Existing Data a. Engineering Change Memo PRR38275-97 b. Service Related Problem (SRP) 737-SRP-56-0017 c. 737-600/700/800/900 Aircraft Maintenance Manual (AMM) Subject 24-22-00, 30-41-11 d. Boeing Standard Wiring Practices Manual (SWPM) 20-10-11, 20-10-12 2. Data supplied with this Service Bulletin None. 3. Installation Drawings Used in the Preparation of this Service Bulletin None.

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3: July 07, 2010 18 of 36 **BOEING SERVICE BULLETIN 737-30-1058 K. Publications Affected**  1. Publications: **Chapter-Section Publication**  30-41 737 Illustrated Parts Catalog 2. Damage Tolerance Based Structural Inspections: Boeing has evaluated the repairs and/or changes in this service bulletin for effects on Fatigue Critical Structure (FCS) and for changes to Damage Tolerance Inspections (DTI) required in the Maintenance Program. This service bulletin does not affect FCS, therefore DTIs are not necessary. **L. Interchangeability and Intermixability of Parts** Refer to Paragraph 2.C., Parts Necessary for Each Airplane, for interchangeability and intermixability information.

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3: July 07, 2010 19 of 36 **BOEING SERVICE BULLETIN 737-30-1058**BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3: July 07, 2010 20 of 36 **BOEING SERVICE BULLETIN 737-30-1058**

BLANK PAGE**2. MATERIAL INFORMATION A. Material - Price and Availability**  Boeing can supply the kit shown in Paragraph 2.C., Parts Necessary for Each Airplane as shown below. Kit availability is shown in the Reorder Lead Time (ROLT). ROLT is calculated from the date Boeing gets the purchase order.
**Unit Price thru DEC 31/09**  **ROLT (Weeks)**  **Name Kit Number**  $1,608.00 15 Top Kit, No. 2 Window Heat Coil Cord Assembly 012A0061-1
**B. Industry Support Information** Boeing warranty remedies are available for 737 airplanes in warranty as of August 8, 2005. For task hour reimbursement for airplanes in warranty as of that date, send a warranty claim to Boeing Commercial Airplanes Group - Warranties. The kits for airplanes in warranty as of that date will be supplied at no charge. Send a purchase order for the kits to Boeing Spares. Please refer to this service bulletin number and reference the airplane variable numbers in your purchase order. **C. Parts Necessary For Each Airplane** 1. Kits/Parts To get the kits/parts shown below, refer to Paragraph 2.A., Material - Price and Availability. **NOTE:** One top kit and the items shown in Paragraph 2.C.2., Parts and Materials Supplied by the Operator, are necessary for each airplane. **Kit 012A0061 - Top Kit, No. 2 Window Heat Coil Cord Assembly Notes**  **Existing Part Number**  **Name QTY**  **New Part Number -1**  Top Kit, No. 2 Window Heat Coil Cord Assembly - 012A0061-1

Wire Kit, No. 2 Window Heat Coil Cord Assembly 1 280A3135-1

(a) (b) S280T007-1 (286A2006-001) Coil Cord 2 S280A100-1 (ABC 57021) (a) Discard the existing part. (b) ABC 57021 is the vendor part number for S280A100-1.

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3: July 07, 2010 21 of 36 **BOEING SERVICE BULLETIN 737-30-1058 Kit 280A3135 - Wire Kit, No. 2 Window Heat Coil Cord Assembly**  **Notes Name**  **QTY New Part Number**  **-1 -101**  **-102** Wire Kit, No. 2 Window Heat Coil Cord Assembly - . . 280A3135-1

Right No. 2 WindowHeat Coil Cord Assembly 1
- 280A3135-101

Left No. 2 WindowHeat Coil Cord Assembly 1

. - 280A3135-102

(a) Connector Identifica- tion Tape. Identified as D10572. . 1

. 280A3135-10101

(a) Connector Identifica- tion Tape. Identified as D10564. . 1

. 280A3135-10102

(a) Connector Identifica- tion Tape. Identified as D10572. . . 1 280A3135-10201

(a) Connector Identifica- tion Tape. Identified as D10568. . . 1 280A3135-10202

(a) Make from BACT19C-T or BACT19CT. 2. Parts and Materials Supplied by the Operator None. 3. Parts Modified and Reidentified None. 4. Parts Removed and Not Replaced None. **D. Parts Necessary to Change Spares** None. **E. Special Tooling - Price and Availability** None.

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3: July 07, 2010 22 of 36 **BOEING SERVICE BULLETIN 737-30-1058 F. Special Tooling Necessary to do this Service Bulletin**  No special tools or equipment are necessary to do the change in this service bulletin. But, maintenance and overhaul tools in the manuals given in Paragraph 1.J., References, can be necessary. Examine operator tool supply to make sure all necessary tools are available.

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3: July 07, 2010 23 of 36 **BOEING SERVICE BULLETIN 737-30-1058**BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3: July 07, 2010 24 of 36 **BOEING SERVICE BULLETIN 737-30-1058**

BLANK PAGE**3. ACCOMPLISHMENT INSTRUCTIONS A. GENERAL INFORMATION**  **CAUTION:** KEEP THE WORK AREA, WIRES AND ELECTRICAL BUNDLES CLEAN OF METAL PARTICLES OR CONTAMINATION WHEN YOU USE TOOLS. UNWANTED MATERIAL, METAL PARTICLES OR CONTAMINATION CAUGHT IN WIRE BUNDLES CAN CAUSE DAMAGE TO THE BUNDLES. DAMAGED WIRE BUNDLES CAN CAUSE SPARKS OR OTHER ELECTRICAL DAMAGE. **NOTE:** 1. Manual titles are referred to by acronyms. Refer to Paragraph 1.J., References, for definition of the acronyms. 2. Obey all of the warnings and cautions given in the specified manual sections. 3. Refer to the SWPM 20-10-11 and SWPM 20-10-12 for the wire installation procedures, and SWPM 20-10-19 for the wire separation requirements, as accepted procedures. 4. A General Visual Inspection is defined as: A visual examination of an interior or exterior area, installation or assembly to detect obvious damage, failure or irregularity. This level of inspection is made from within touching distance unless otherwise specified. A mirror may be necessary to enhance visual access to all exposed surfaces in the inspection area. This level of inspection is made under normally available lighting conditions such as daylight, hangar lighting, flashlight or drop-light and may require removal or opening of access panels or doors. Stands, ladders or platforms may be required to gain proximity to the area being checked. 5. These work instructions refer to procedures included in other Boeing documents. When the words "refer to" are used and the operator has an accepted alternative procedure, the accepted alternative procedure can be used. When the words "in accordance with" are included in the instruction, the procedure in the Boeing document must be used. **B. WORK INSTRUCTIONS** 1. Remove electrical power from the airplane. Refer to 737-600/700/800/900 AMM 24-22-00 as an accepted procedure. 2. Get access to the flight compartment. 3. Remove the coil cord and panels on the captain's side of the flight compartment in accordance with Figure 1. 4. Install the identification tapes on the W2004 and W2208 wire bundles on the captain's side of the flight compartment in accordance with Figure 2. 5. Inspect the orientation of the connector keyways on the captain's side of the flight compartment in accordance with Figure 3. a. If the orientation is not set at 12 o'clock, reclock the connector keyway in accordance with Figure 4. b. If the orientation is set at 12 o'clock, no change to the keyway is necessary.

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3: July 07, 2010 25 of 36 **BOEING SERVICE BULLETIN 737-30-1058**6. Install the new coil cord and panels on the captain's side of the flight compartment in accordance with Figure 5. 7. Remove the coil cord and panels on the first officer's side of the flight compartment in accordance with Figure 6. 8. Install the identification tapes on the W2004 and W2108 wire bundles on the first officer's side of the flight compartment in accordance with Figure 7. 9. Inspect the orientation of the connector keyways on the first officer's side of the flight compartment in accordance with Figure 8. a. If the orientation is not set at 12 o'clock, reclock the connector keyway in accordance with Figure 9. b. If the orientation is set at 12 o'clock, no change to the keyway is necessary. 10. Install the new coil cord and panels on the first officer's side of the flight compartment in accordance with Figure 10. 11. Restore electrical power removed in Step 1. Refer to 737-600/700/800/900 AMM 24-22-00 as an accepted procedure. 12. Do the Window Heat Control Unit (WHCU) test in accordance with 737-600/700/800/900 AMM 30-41-11 as an accepted procedure. 13. Put the airplane back to a serviceable condition.

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3: July 07, 2010 26 of 36 **BOEING SERVICE BULLETIN 737-30-1058**The step numbers shown below agree with the numbers shown in the circle symbols in the figure. The QTY numbers shown below are the number of parts necessary for airplane.
**MORE DATA QTY**  **IDENTIFICATION NAME**  **TASK STEP** 

- S280T007-1 (286A2006-001) Coil Cord Remove 1

- 232A1521-( ) Left Panel - No. 3 Win- dow Remove / Keep 2

- 232A1520-( ) Lower Cover Assembly Remove / Keep 3

**FIGURE 1: CAPTAIN'S SIDE - COIL CORD AND PANEL REMOVAL (SHEET 1 OF 1)** 

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3 July 07, 2010 27 of 36 **BOEING SERVICE BULLETIN 737-30-1058 MORE DATA**  **QTY IDENTIFICATION**  **NAME FLAG**  **NOTE** Imprinted "D10572 M/W M2675". 1 280A3135-10201 Connector Identification Tape 1 Imprinted "D10568 M/W M2675". 1 280A3135-10202 Connector Identification Tape 2

**FIGURE 2: CAPTAIN'S SIDE - IDENTIFICATION TAPE INSTALLATION (SHEET 1 OF 1)** 

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3 July 07, 2010 28 of 36 **BOEING SERVICE BULLETIN 737-30-1058 MORE DATA**  **QTY IDENTIFICATION**  **NAME TASK**  **STEP** 1 D10572 Connector Keyway Inspect 1 1 D10568 Connector Keyway Inspect 2

**FIGURE 3: CAPTAIN'S SIDE - CONNECTOR KEYWAY INSPECTION (SHEET 1 OF 1)** 

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3 July 07, 2010 29 of 36 **BOEING SERVICE BULLETIN 737-30-1058 MORE DATA**  **QTY IDENTIFICATION**  **NAME TASK**  **STEP** Refer to SWPM 20-10-11 as an accepted procedure. (a) 2 D10572, D10568 Connector Keyway Adjust 1

(a) The keyway should be oriented at the 12 o'clock position.

**FIGURE 4: CAPTAIN'S SIDE - RECLOCKING OF THE CONNECTOR KEYWAY (SHEET 1 OF 1)** 

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3 July 07, 2010 30 of 36 **BOEING SERVICE BULLETIN 737-30-1058 MORE DATA**  **QTY IDENTIFICATION**  **NAME TASK**  **STEP** 1 232A1520-( ) Lower Cover Assembly Install (Kept) 1 1 232A1521-( ) Left Panel - No. 3 Win- dow Install (Kept) 2
1 280A100-1 (ABC 57021) Coil Cord Install (New) 3

**FIGURE 5: CAPTAIN'S SIDE - COIL CORD AND PANEL INSTALLATION (SHEET 1 OF 1)** 

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3 July 07, 2010 31 of 36 **BOEING SERVICE BULLETIN 737-30-1058 MORE DATA**  **QTY IDENTIFICATION**  **NAME TASK**  **STEP** 1 S280T007-1 (286A2006-001) Coil Cord Remove 1
1 232A1521-( ) Left Panel - No. 3 Win- dow Remove / Keep 2
1 232A1520-( ) Lower Cover Assembly Remove / Keep 3

**FIGURE 6: FIRST OFFICER'S SIDE - COIL CORD AND PANEL REMOVAL (SHEET 1 OF 1)** 

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3 July 07, 2010 32 of 36 **BOEING SERVICE BULLETIN 737-30-1058 MORE DATA**  **QTY IDENTIFICATION**  **NAME FLAG**  **NOTE** Imprinted "D10572 M\/W M2675". 1 280A3135-10101 Connector Identification Tape 1 Imprinted "D10564 M/W M2675". 1 280A3135-10102 Connector Identification Tape 2

**FIGURE 7: FIRST OFFICER'S SIDE - IDENTIFICATION TAPE INSTALLATION (SHEET 1 OF 1)** 

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3 July 07, 2010 33 of 36 **BOEING SERVICE BULLETIN 737-30-1058 MORE DATA**  **QTY IDENTIFICATION**  **NAME TASK**  **STEP** 1 D10572 Connector Keyway Inspect 1 1 D10564 Connector Keyway Inspect 2

**FIGURE 8: FIRST OFFICER'S SIDE - CONNECTOR KEYWAY INSPECTION (SHEET 1 OF 1)** 

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3 July 07, 2010 34 of 36 **BOEING SERVICE BULLETIN 737-30-1058 MORE DATA**  **QTY IDENTIFICATION**  **NAME TASK**  **STEP** Refer to SWPM 20-10-11 as an accepted procedure. (a) 2 D10572, D10564 Connector Keyway Adjust 1

(a) The keyway should be oriented at the 12 o'clock position.

**FIGURE 9: FIRST OFFICER'S SIDE - RECLOCKING OF THE CONNECTOR KEYWAY (SHEET 1 OF 1)** 

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3 July 07, 2010 35 of 36 **BOEING SERVICE BULLETIN 737-30-1058 MORE DATA**  **QTY IDENTIFICATION**  **NAME TASK**  **STEP** 1 232A1520-( ) Lower Cover Assembly Install (Kept) 1 1 232A1521-( ) Left Panel - No. 3 Win- dow Install (Kept) 2
1 S280A100-1 (ABC 57021) Coil Cord Install (New) 3

**FIGURE 10: FIRST OFFICER'S SIDE - COIL CORD AND PANEL INSTALLATION (SHEET 1 OF 1)** 

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: July 27, 2006 737-30-1058 Revision 3 July 07, 2010 36 of 36 **BOEING SERVICE BULLETIN 737-30-1058**