### Commercial **Airplanes** 

# 747 Service Bulletin **Number: 747-52-2293** Original Issue: September 04, 2009 ATA System: 5251 **SUBJECT:** DOORS - Fixed Interior - Flight Compartment Interior Doors - Trim Installation and Cover Plate Replacement 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## BOEING PROPRIETARY, CONFIDENTIAL, AND/OR TRADE SECRET Copyright © 2009 The Boeing Company Unpublished Work - All Rights Reserved Boeing claims copyright in each page of this document only to the extent that the page contains copyrightable subject matter.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, 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BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 1 of 45 4.0BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 2 of 45 **BOEING SERVICE BULLETIN 747-52-2293**

BLANK PAGE**Table of Contents** Summary...................................................... 5 1. PLANNING INFORMATION........................................ 9 A. Effectivity................................................ 9 1. Airplanes............................................. 9 2. Spares Affected. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 B. Concurrent Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 C. Reason. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 D. Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 E. Compliance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 F. Approval. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 G. Manpower. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 H. Weight and Balance Changes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 I. Electrical Load Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 J. References. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 1. Existing Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 2. Data supplied with this Service Bulletin. . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 3. Installation Drawings Used in the Preparation of this Service Bulletin. . . . . . . . . . . . 17 K. Publications Affected. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 L. Interchangeability and Intermixability of Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . 17 2. MATERIAL INFORMATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 A. Material - Price and Availability. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 B. Industry Support Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 C. Parts Necessary For Each Airplane. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 1. Kits/Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 2. Parts and Materials Supplied by the Operator. . . . . . . . . . . . . . . . . . . . . . . . 21 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. . . . . . . . . . . . . . . . . . . . . . . 22 3. ACCOMPLISHMENT INSTRUCTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 A. GENERAL INFORMATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 B. WORK INSTRUCTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 FIGURE 1: FLIGHT COMPARTMENT DOOR - TRIM DETAIL - INSTALLATION [Group 1]. . . . . . 24 FIGURE 2: FLIGHT COMPARTMENT DOOR - TRIM DETAIL - INSTALLATION [Group 2]. . . . . . 30 FIGURE 3: FLIGHT COMPARTMENT DOOR - DOOR COVER PLATE - REPLACEMENT [Group 3] . 36 FIGURE 4: FLIGHT COMPARTMENT DOOR - DOOR COVER PLATE - REPLACEMENT [Group 4] . 41

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 3 of 45 **BOEING SERVICE BULLETIN 747-52-2293**BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 4 of 45 **BOEING SERVICE BULLETIN 747-52-2293**

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### Commercial **Airplanes** 

# 747 Service Bulletin **Summary Number: 747-52-2293**  Original Issue: September 04, 2009 ATA System: 5251 **SUBJECT:** DOORS - Fixed Interior - Flight Compartment Interior Doors - Trim Installation and Cover Plate Replacement **CONCURRENT REQUIREMENTS** None. **BACKGROUND** This service bulletin gives instructions to install new trim detail or door cover plate on the flight compartment door. **ACTION (PRR 85670-R)** Group 1 and 2 Airplanes - Trim Detail Installation - Remove the door knob and escutcheon. Remove the dead bolt and escutcheon. Install and adjust a new trim piece on the aft side of the door. Install the door knob and escutcheon. Install the dead bolt and escutcheon. Check the operation of the door latch and dead bolt. Group 3 and 4 Airplanes - Door Cover Plate Replacement - Remove the door knob and escutcheon. Remove the dead bolt and escutcheon. Replace the exterior door cover plate. Install and adjust a new trim piece on the aft side of the door. Install the door knob and escutcheon. Install the dead bolt and escutcheon. Check the operation of the door latch and dead bolt. **EFFECTIVITY** 747-100, -100B, -100B SUD, -200B, -200F, -300, -400, -400D, 747SP, and 747SR Airplanes with enhanced security flight compartment doors. Refer to Paragraph 1.A., Effectivity, 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 in this service bulletin be done within 60 days after the original issue date of this service bulletin. **INDUSTRY SUPPORT INFORMATION** At the time of release of this service bulletin, warranty remedies have not been determined. A subsequent revision or Information Notice will address the warranty remedies available, if any.

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 5 of 45**MANPOWER Elapsed**  **Hours Total Task**  **Hours Airplanes** 
1.75 3.50 Group 1 and 2 Airplanes 1.75 3.50 Group 3 and 4 Airplanes **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: September 04, 2009 747-52-2293 6 of 45 **BOEING SERVICE BULLETIN 747-52-2293**BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 7 of 45 **BOEING SERVICE BULLETIN 747-52-2293**BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 8 of 45 **BOEING SERVICE BULLETIN 747-52-2293**

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### Commercial **Airplanes** 

# 747 Service Bulletin **Number: 747-52-2293** Original Issue: September 04, 2009 ATA System: 5251 **SUBJECT:** DOORS - Fixed Interior - Flight Compartment Interior Doors - Trim Installation and Cover Plate Replacement **1. PLANNING INFORMATION A. Effectivity**  1. Airplanes This service bulletin is for the airplanes shown below. Refer to PRR 85670-R for data about this change. Refer to Service Bulletin Index Document D6-30300 Part 3 for Airplane Variable Number, Line Number, and Serial Number data. **DESCRIPTION CONFIGURATION**  **GROUP** 747-400 Airplanes with Configuration D flight compartment entry door. - 1 747-100B SUD, -200B, -300, -400, and -400D, Airplanes with Configuration C, E or J flight compartment entry door. - 2 747-100, -100B, -200B, and 747SP Airplanes with Configuration G flight compartment entry door. - 3 747-100B, -200B, -200F, and 747SR Airplanes with Configuration H flight compartment entry door. - 4

Airplane Models: 747-100, 747-100B, 747-100B SUD, 747-200B, 747-200F, 747-300, 747-400, 747-400D, 747SP, 747SR **Group Variable Number**  3 RA371 3 RA528 3 RA543 - RA548

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 9 of 45**Group Variable Number**  4 RA729 - RA731 3 RB007 4 RB411 4 RB413 4 RB690 - RB697 4 RB723 3 RB741 - RB746 3 RB748 3 RD053 3 RD056 - RD057 3 RD123 - RD127 4 RD135 - RD138 4 RD140 4 RD143 4 RD221 - RD222 3 RD223 - RD224 3 RD226 4 RD231 - RD235 4 RD241 - RD243 3 RD251 - RD262 4 RD271 - RD272 4 RD352 - RD357 2 RD381 2 RD383 3 RD431 - RD435 4 RD456 4 RD461 4 RD472 - RD475 4 RD518 2 RD603 2 RD605 - RD607 4 RD649 4 RD655

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 10 of 45 **BOEING SERVICE BULLETIN 747-52-2293 Group**  **Variable Number** 4 RD701 - RD702 2 RD721 - RD722 4 RD751 4 RD775 4 RD791 - RD792 2 RF001 - RF006 3 RH121 2 RM001 - RM007 2 RM010 - RM013 2 RM026 - RM030 2 RM036 - RM040 2 RM051 - RM053 2 RM071 2 RM081 - RM084 2 RM091 2 RM096 - RM097 2 RM126 - RM132 2 RM136 - RM147 2 RM156 - RM158 1 RM166 - RM177 2 RM191 - RM192 2 RM231 - RM233 2 RM241 - RM246 2 RM261 - RM264 2 RM316 - RM318 2 RM331 - RM333 2 RM341 2 RM351 - RM355 2 RM366 - RM367 2 RM401 - RM403 2 RM431 2 RM441 - RM443 2 RM445

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 11 of 45 **BOEING SERVICE BULLETIN 747-52-2293 Group**  **Variable Number** 2 RM801 - RM803 2 RM811 - RM813 4 RR526 4 RR551 - RR556 2 RS001 - RS002 2 RS211 2 RS222 2 RS231 2 RS233 - RS235 2 RS237 2 RS239 - RS241 2 RS251 - RS259 2 RS263 2 RS265 - RS268 2 RS271 - RS276 2 RS292 2 RS301 - RS306 2 RS311 - RS314 2 RS316 - RS320 2 RS331 - RS333 2 RS341 - RS342 2 RS703 2 RS711 - RS713 2 RS731 - RS732 2 RS742 2 RS751 - RS752 2 RS781 - RS782 2 RS786 2 RT001 - RT014 2 RT031 - RT035 2 RT041 - RT047 2 RT061 2 RT071 - RT075

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 12 of 45 **BOEING SERVICE BULLETIN 747-52-2293 Group**  **Variable Number** 2 RT101 - RT103 2 RT121 2 RT131 - RT137 2 RT151 - RT152 2 RT401 - RT410 1 RT411 - RT412 2 RT431 - RT439 2 RT441 - RT447 2 RT451 - RT469 2 RT471 - RT499 2 RT511 - RT512 2 RT514 2 RT517 2 RT522 2 RT529 2 RT531 - RT535 2 RT551 - RT568 2 RT571 - RT588 2 RT590 - RT591 1 RT601 - RT630 2 RT641 - RT657 2 RT671 - RT673 2 RT691 - RT699 2 RT701 - RT704 2 RT711 - RT717 2 RT741 - RT757 2 RT776 - RT777 2 RT781 - RT784 2 RT801 - RT803 2 RT811 - RT814 2 RT861 - RT864 2 RT878 - RT880 2 RT931 - RT932

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 13 of 45 **BOEING SERVICE BULLETIN 747-52-2293 Group**  **Variable Number** 2 RT945 - RT949 2 RT966 - RT967 2 RU001 - RU006 2 RU016 - RU017 2 RU031 - RU032 2 RU051 - RU052 2 RU059 - RU062 2 RU081 - RU083 2 RU101 - RU102 2 RU121 - RU132 2 RU801 - RU809 2 RU831 - RU841 2. Spares Affected None. **B. Concurrent Requirements** None. **C. Reason** This service bulletin gives instructions to install new trim detail or door cover plate on the flight compartment door. **D. Description** Group 1 and 2 Airplanes - Trim Detail Installation - Remove the door knob and escutcheon. Remove the dead bolt and escutcheon. Install and adjust a new trim piece on the aft side of the door. Install the door knob and escutcheon. Install the dead bolt and escutcheon. Check the operation of the door latch and dead bolt. Group 3 and 4 Airplanes - Door Cover Plate Replacement - Remove the door knob and escutcheon. Remove the dead bolt and escutcheon. Replace the exterior door cover plate. Install and adjust a new trim piece on the aft side of the door. Install the door knob and escutcheon. Install the dead bolt and escutcheon. Check the operation of the door latch and dead bolt. The work in this service bulletin is done in the maintenance zone(s) given below.

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 14 of 45 **BOEING SERVICE BULLETIN 747-52-2293 Group 1:**  **Affected Maintenance Zones Zone**  **Model** 221, 222 747-400 **Group 2: Affected Maintenance Zones** **Zone Model**  221, 222 747-100B SUD, 747-200B, 747- 300, 747-400, 747-400D **Group 3: Affected Maintenance Zones** **Zone Model**  221, 222 747-100, 747-100B, 747-200B, 747SP **Group 4: Affected Maintenance Zones** **Zone Model**  221, 222 747-100B, 747-200B, 747-200F, 747SR **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 in this service bulletin be done within 60 days after the original issue 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.

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 15 of 45 **BOEING SERVICE BULLETIN 747-52-2293**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 installation or replacement 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 • Time to find the tools. **Group 1: Elapsed Hours**  **Task Hours Number of Persons**  **Task** 1.75 3.50 2 Install Trim Detail - 1.75 3.50 TOTAL FOR EACH AIRPLANE **Group 2: Elapsed Hours**  **Task Hours Number of Persons**  **Task** 1.75 3.50 2 Install Trim Detail - 1.75 3.50 TOTAL FOR EACH AIRPLANE **Group 3: Elapsed Hours**  **Task Hours Number of Persons**  **Task** 1.75 3.50 2 Replace Door Cover Plate - 1.75 3.50 TOTAL FOR EACH AIRPLANE **Group 4: Elapsed Hours**  **Task Hours Number of Persons**  **Task** 1.75 3.50 2 Replace Door Cover Plate - 1.75 3.50 TOTAL FOR EACH AIRPLANE

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 16 of 45 **BOEING SERVICE BULLETIN 747-52-2293 H. Weight and Balance Changes**  None. **I. Electrical Load Data** Not changed. **J. References** 1. Existing Data a. Engineering Change Memo PRR 85670-R b. Standard Overhaul Practices Manual (SOPM) 20-00-00 c. 747-100/200/300 Aircraft Maintenance Manual (AMM) 52-51-00, 52-51-08 d. 747-400 Aircraft Maintenance Manual (AMM) 52-51-01, 52-51-08 2. Data supplied with this Service Bulletin None. 3. Installation Drawings Used in the Preparation of this Service Bulletin None. **K. Publications Affected** 1. Publications: **Chapter-Section Publication**  52-51 747 Maintenance Manual 52-51 747 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** Accomplishment of this service bulletin does not affect interchangeability or intermixability of parts.

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 17 of 45 **BOEING SERVICE BULLETIN 747-52-2293**BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 18 of 45 **BOEING SERVICE BULLETIN 747-52-2293**

BLANK PAGE**2. MATERIAL INFORMATION A. Material - Price and Availability**  Boeing can supply the kits shown in Paragraph 2.C., Parts Necessary for Each Airplane , as shown below. If there is a limit in the quantity (QTY) of kits, a supply sequence is given by Spares.

**Group 1: Unit Price thru**  **Sep 30/10 QTY**  **Date Name**  **Kit Number** $898.00 (a) (a) Top kit - Flight Deck Door - Trim Installation 015U1898-1 (a) Contact Boeing Spares for Kit availability. **Group 2: Unit Price thru**  **Sep 30/10 QTY**  **Date Name**  **Kit Number** $898.00 (a) (a) Top kit - Flight Deck Door - Trim Installation 015U1898-2 (a) Contact Boeing Spares for Kit availability. **Group 3: Unit Price thru**  **Sep 30/10 QTY**  **Date Name**  **Kit Number** $1717.00 (a) (a) Top kit - Flight Deck Door - Cover Plate Replacement 015U1898-3 (a) Contact Boeing Spares for Kit availability. **Group 4: Unit Price thru**  **Sep 30/10 QTY**  **Date Name**  **Kit Number** $1717.00 (a) (a) Top kit - Flight Deck Door - Cover Plate Replacement 015U1898-4 (a) Contact Boeing Spares for Kit availability. The kits are subject to the terms and conditions of the Boeing standard purchase order acknowledgment. After the Unit Price date, new price data is applicable. Prices are in United States dollars. Terms: Net 30 days. Reference this service bulletin and submit your purchase order by one of the methods that follow:

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 19 of 45 **BOEING SERVICE BULLETIN 747-52-2293**1. Order on-line via ATA Spec 2000 or Boeing Part Page 2. Fax to (206) 662-7145 3. Mail to: Spares Customer Support - MC 36-65 Boeing Spares Department P.O. Box 3707 Seattle, Washington 98124-2207 USA **B. Industry Support Information** At the time of release of this service bulletin, warranty remedies have not been determined. A subsequent revision or Information Notice will address the warranty remedies available, if any. **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. The Top Kit is divided into Figure kits for each installation figure shown in the table below. **Figure Kit 4**  **3 2**  **1 Top Kit** 

- - - 1 015U1898-1

- - 1
- 015U1898-2

- 1
- - 015U1898-3 1
- - - 015U1898-4 **Group 1: KIT 015U1898-1** 

**NOTES Existing Part**  **Number Name**  **Figure**
**New Part Number 1**  **QTY** TRIM DETAIL - FLIGHT DECK DOOR 1 232U2111-565B

FAIRING SCREWS 4 BACS12FA08K11 (BACS12FA08K12 optional)

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 20 of 45 **BOEING SERVICE BULLETIN 747-52-2293 Group 2:**  **KIT 015U1898-2**

**NOTES Existing Part**  **Number Name**  **Figure**
**New Part Number 2**  **QTY** TRIM DETAIL - FLIGHT DECK DOOR 1 232U2111-565B

FAIRING SCREWS 4 BACS12FA08K11 (BACS12FA08K12 optional) **Group 3: KIT 015U1898-3** 

**NOTES Existing Part**  **Number Name**  **Figure**
**New Part Number 3**  **QTY** LATCH SHEAR PLATE 1 232U2611-45B
**Group 4: KIT 015U1898-4** 

**NOTES Existing Part**  **Number Name**  **Figure**
**New Part Number 4**  **QTY** LATCH SHEAR PLATE 1 232U2611-46B

2. Parts and Materials Supplied by the Operator **Notes Name**  **QTY Part Number / Specification**  (a) Primer 1 Oz BMS 10-83, TYPE I (a) Interior Decorative Urethane Paint 1 Oz BAC 10-83, TYPE II, BAC #7666, LUSTERLESS GRAY (b) Sealant - Silicone, Aluminum Color 1 Oz RTV 109 (a) See the Qualified Products List at the end of the Boeing Material Specification (BMS) for supplier data. Optional to touch up fastener heads. Optional to use operator's preferred paint system and color.

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 21 of 45 **BOEING SERVICE BULLETIN 747-52-2293 Notes**  **Name QTY**  **Part Number / Specification** (b) V01139. See SOPM 20-00-00 for vendor codes. Used in 747-100/200/300 AMM 52- 51-08 and 747-400 AMM 52-51-08 procedures referenced in this service bulletin. 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. **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: September 04, 2009 747-52-2293 22 of 45 **BOEING SERVICE BULLETIN 747-52-2293 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. The instructions identified in Paragraph 3.B., Work Instructions, and the Figure(s) give the recommended sequence of steps. The sequence of steps to do this service bulletin can be changed. 2. Manual titles are referred to by acronyms. Refer to Paragraph 1.J., References, for definition of the acronyms. 3. Obey all of the warnings and cautions given in the specified manual sections. 4. Use the approved fastener and process material substitutions in accordance with the applicable 747 SRM 51. Alternate fasteners are listed in the applicable 747 SRM 51 and Boeing Drawing 012W6100. 5. If the length of any fastener specified in this service bulletin does not meet the installation standards in the applicable 747 SRM 51, then a fastener of the same specification, or an approved substitute, with a length which meets the installation standards in the applicable 747 SRM 51 may be used. 6. 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 Group 1-2:**  **Trim Detail Installation** 1. **Group 1:** Install Trim Detail in accordance with FIGURE 1. 2. **Group 2:** Install Trim Detail in accordance with FIGURE 2. **Group 3-4: Cover Plate Replacement**  1. **Group 3:** Replace Door Cover Plate in accordance with FIGURE 3. 2. **Group 4:** Replace Door Cover Plate in accordance with FIGURE 4.

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 23 of 45 **BOEING SERVICE BULLETIN 747-52-2293 This Figure applies only to: Group 1.** 

**FIGURE 1: FLIGHT COMPARTMENT DOOR - TRIM DETAIL - INSTALLATION (SHEET 1 OF 6)** 

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 24 of 45 **BOEING SERVICE BULLETIN 747-52-2293 FIGURE 1: FLIGHT COMPARTMENT DOOR - TRIM DETAIL - INSTALLATION**  **(SHEET 2 OF 6)**

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 25 of 45 **BOEING SERVICE BULLETIN 747-52-2293**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 each airplane.

**FIGURE 1: FLIGHT COMPARTMENT DOOR - TRIM DETAIL - INSTALLATION (SHEET 3 OF 6)** 

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 26 of 45 **BOEING SERVICE BULLETIN 747-52-2293 MORE DATA**  **QTY IDENTIFICATION**  **NAME TASK**  **STEP** Refer to 747-400 AMM 52-51-08 asan accepted procedure. 1
- Dead Bolt Components Remove / Keep 1

Refer to 747-400 AMM 52-51-08 asan accepted procedure. 1
- Dead Bolt Escutcheon Remove / Keep

Refer to 747-400 AMM 52-51-08 asan accepted procedure. 1
- Door Knob Remove / Keep 2

Refer to 747-400 AMM 52-51-08 asan accepted procedure.. 1
- Door Knob Escutcheon Remove / Keep

4
- Screw Remove 3 4
- Screw Remove / Keep 4 locate flush with edge of cover plate. 1 232U2111-565B TRIM DETAIL - FLIGHT DECK DOOR Install (New) 5 Tighten only to hold trim detail in place. 4 BACS12FA08K11(BACS12FA08K12 optional) FAIRING SCREWS Install (New)

on inside of door. 4
- Screw Install (Kept) temporarily install door knob. - - Door Knob Install (Kept) 6 Not shown. With oneperson in flight compartment and oneperson on the outside, open and close door. - - Flight Compartment Door Close 7

Carefully adust thetrim detail as required until the flight compartment door latches correctly. 1 232U2111-565B TRIM DETAIL - FLIGHT DECK DOOR Adjust

**FIGURE 1: FLIGHT COMPARTMENT DOOR - TRIM DETAIL - INSTALLATION (SHEET 4 OF 6)** 

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 27 of 45 **BOEING SERVICE BULLETIN 747-52-2293 MORE DATA**  **QTY IDENTIFICATION**  **NAME TASK**  **STEP** to 20 - 25 inchpounds. Optional totighten screw on inside of flight compartment. 4 BACS12FA08K11(BACS12FA08K12 optional) FAIRING SCREWS Tighten 8

temporarily installed door knob. 1
- Door Knob Remove / Keep 9 Refer to 747-400 AMM 52-51-08 asan accepted procedure. 1
- Dead Bolt Escutcheon Install (Kept) 10

Refer to 747-400 AMM 52-51-08 asan accepted procedure. 1
- Dead Bolt Components Install (Kept)

Refer to 747-400 AMM 52-51-08 asan accepted procedure. 1
- Door Knob Escutcheon Install (Kept) 11

Refer to 747-400 AMM 52-51-08 asan accepted procedure. 1
- Door Knob Install (Kept)

Not shown. Do a Post Installation Test of the Door Lock and Deadbolt. Refer to 747-400 AMM 52-51-08 as an accepted procedure. - - Flight Compartment Door Operate 12

Optional. Apply toscrew heads. Optional to use operatorpreferred paint system and color. - BMS 10-83, TYPE I Primer Apply 13

Optional. Apply toscrew heads. Optional to use operatorpreferred paint system and color. - BAC 10-83, TYPE II,BAC #7666, LUSTERLESS GRAYInterior Decorative Urethane Paint Apply

**FIGURE 1: FLIGHT COMPARTMENT DOOR - TRIM DETAIL - INSTALLATION (SHEET 5 OF 6)** 

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 28 of 45 **BOEING SERVICE BULLETIN 747-52-2293 MORE DATA**  **QTY IDENTIFICATION**  **NAME TASK**  **STEP** Not Shown. Adjust flight compartment door, as required. Refer to 747-400 AMM 52-51-01 asan accepted procedure. 1
- Flight Compartment Door Adjust 14

**FIGURE 1: FLIGHT COMPARTMENT DOOR - TRIM DETAIL - INSTALLATION (SHEET 6 OF 6)** 

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 29 of 45 **BOEING SERVICE BULLETIN 747-52-2293 This Figure applies only to: Group 2.** 

**FIGURE 2: FLIGHT COMPARTMENT DOOR - TRIM DETAIL - INSTALLATION (SHEET 1 OF 6)** 

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 30 of 45 **BOEING SERVICE BULLETIN 747-52-2293 FIGURE 2: FLIGHT COMPARTMENT DOOR - TRIM DETAIL - INSTALLATION**  **(SHEET 2 OF 6)**

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 31 of 45 **BOEING SERVICE BULLETIN 747-52-2293**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 each airplane.

**FIGURE 2: FLIGHT COMPARTMENT DOOR - TRIM DETAIL - INSTALLATION (SHEET 3 OF 6)** 

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 32 of 45 **BOEING SERVICE BULLETIN 747-52-2293 MORE DATA**  **QTY IDENTIFICATION**  **NAME TASK**  **STEP** Refer to 747- 100/200/300 AMM 52-51-08 or 747-400 AMM 52-51-08 asaccepted procedures. 1
- Dead Bolt Components Remove / Keep 1

Refer to 747- 100/200/300 AMM 52-51-08 or 747-400 AMM 52-51-08 asaccepted procedures. 1
- Dead Bolt Escutcheon Remove / Keep

Refer to 747- 100/200/300 AMM 52-51-08 or 747-400 AMM 52-51-08 asaccepted procedures. 1
- Door Knob Remove / Keep 2

Refer to 747- 100/200/300 AMM 52-51-08 or 747-400 AMM 52-51-08 asaccepted procedures. 1
- Door Knob Escutcheon Remove / Keep

4
- Screw Remove 3 4
- Screw Remove / Keep 4 locate flush with edge of cover plate. 1 232U2111-565B TRIM DETAIL - FLIGHT DECK DOOR Install (New) 5 Tighten only to hold trim detail in place. 4 BACS12FA08K11(BACS12FA08K12 optional) FAIRING SCREWS Install (New)

on inside of door. 4
- Screw Install (Kept) temporarily install door knob. - - Door Knob Install (Kept) 6

**FIGURE 2: FLIGHT COMPARTMENT DOOR - TRIM DETAIL - INSTALLATION (SHEET 4 OF 6)** 

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 33 of 45 **BOEING SERVICE BULLETIN 747-52-2293 MORE DATA**  **QTY IDENTIFICATION**  **NAME TASK**  **STEP** Not shown. With oneperson in flight compartment and oneperson on the outside, open and close door. - - Flight Compartment Door Close 7

Carefully adust thetrim detail as required until the flight compartment door latches correctly. 1 232U2111-565B TRIM DETAIL - FLIGHT DECK DOOR Adjust

to 20 - 25 inchpounds. Optional totighten screw on inside of flight compartment. 4 BACS12FA08K11(BACS12FA08K12 optional) FAIRING SCREWS Tighten 8

temporarily installed door knob. 1
- Door Knob Remove / Keep 9 Refer to 747- 100/200/300 AMM 52-51-08 or 747-400 AMM 52-51-08 asaccepted procedures. 1
- Dead Bolt Escutcheon Install (Kept) 10

Refer to 747- 100/200/300 AMM 52-51-08 or 747-400 AMM 52-51-08 asaccepted procedures. 1
- Dead Bolt Components Install (Kept)

Refer to 747- 100/200/300 AMM 52-51-08 or 747-400 AMM 52-51-08 asaccepted procedures. 1
- Door Knob Escutcheon Install (Kept) 11

Refer to 747- 100/200/300 AMM 52-51-08 or 747-400 AMM 52-51-08 asaccepted procedures. 1
- Door Knob Install (Kept)

**FIGURE 2: FLIGHT COMPARTMENT DOOR - TRIM DETAIL - INSTALLATION (SHEET 5 OF 6)** 

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 34 of 45 **BOEING SERVICE BULLETIN 747-52-2293 MORE DATA**  **QTY IDENTIFICATION**  **NAME TASK**  **STEP** Not shown. Do a Post Installation Test of the Door Lock and Deadbolt. Refer to 747-100/200/300 AMM 52-51-08 or 747-400 AMM 52- 51-08 as accepted procedures.. - - Flight Compartment Door Operate 12

Optional. Apply toscrew heads. Optional to use operatorpreferred paint system and color. - BMS 10-83, TYPE I Primer Apply 13

Optional. Apply toscrew heads. Optional to use operatorpreferred paint system and color. - BAC 10-83, TYPE II,BAC #7666, LUSTERLESS GRAYInterior Decorative Urethane Paint Apply

Not Shown. Adjust flight compartment door, as required. Refer to 747- 100/200/300 AMM 52-51-00 or 747-400 AMM 52-51-01 asaccepted procedures. 1
- Flight Compartment Door Adjust 14

**FIGURE 2: FLIGHT COMPARTMENT DOOR - TRIM DETAIL - INSTALLATION (SHEET 6 OF 6)** 

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 35 of 45 **BOEING SERVICE BULLETIN 747-52-2293 This Figure applies only to: Group 3.** 

**FIGURE 3: FLIGHT COMPARTMENT DOOR - DOOR COVER PLATE - REPLACEMENT (SHEET 1 OF 5)** 

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 36 of 45 **BOEING SERVICE BULLETIN 747-52-2293**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 each airplane.

**FIGURE 3: FLIGHT COMPARTMENT DOOR - DOOR COVER PLATE - REPLACEMENT (SHEET 2 OF 5)** 

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 37 of 45 **BOEING SERVICE BULLETIN 747-52-2293 MORE DATA**  **QTY IDENTIFICATION**  **NAME TASK**  **STEP** Refer to 747- 100/200/300 AMM52-51-08 as an accepted procedure. 1
- Dead Bolt Components Remove / Keep 1

Refer to 747- 100/200/300 AMM52-51-08 as an accepted procedure. 1
- Dead Bolt Escutcheon Remove / Keep

Refer to 747- 100/200/300 AMM52-51-08 as an accepted procedure. 1
- Door Knob Remove / Keep 2

Refer to 747- 100/200/300 AMM52-51-08 as an accepted procedure. 1
- Door Knob Escutcheon Remove / Keep

Refer to 747- 100/200/300 AMM52-51-08 as an accepted procedure. 1
- Lock Escutcheon Remove / Keep 3

2 on the exterior and 2 on the interior of the door. Refer to 747-100/200/300 AMM 52-51-08 asan accepted procedure. 4
- Screw Remove / Keep

6 on the exterior and 6 on the interior ofthe door which attach the door cover plate. Refer to 747- 100/200/300 AMM52-51-08 as an accepted procedure. 12
- Screw Remove / Keep 4

Refer to 747- 100/200/300 AMM52-51-08 as an accepted procedure. 1
- Door Cover Plate Remove 5

1
- Door Handle Remove / Keep 6 2
- Screw Remove / Keep

**FIGURE 3: FLIGHT COMPARTMENT DOOR - DOOR COVER PLATE - REPLACEMENT (SHEET 3 OF 5)** 

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 38 of 45 **BOEING SERVICE BULLETIN 747-52-2293 MORE DATA**  **QTY IDENTIFICATION**  **NAME TASK**  **STEP** on new door cover plate. 1
- Door Handle Install (Kept) 7 Tighten to 33.25 - 36.75 inch-pounds. 2
- Screw Install (Kept) Refer to 747- 100/200/300 AMM52-51-08 as an accepted procedure. 1 232U2611-45B LATCH SHEAR PLATE Install (New) 8

6 on the exterior and 6 on the interior ofthe door which attach the door cover plate. Refer to 747- 100/200/300 AMM52-51-08 as an accepted procedure. 12
- Screw Install (Kept) 9

Refer to 747- 100/200/300 AMM52-51-08 as an accepted procedure. 1
- Lock Escutcheon Install (Kept) 10

2 on the exterior and 2 on the interior ofthe door which attach the door cover plate. Refer to 747- 100/200/300 AMM52-51-08 as an accepted procedure. 4
- Screw Install (Kept)

Refer to 747- 100/200/300 AMM52-51-08 as an accepted procedure. 1
- Dead Bolt Escutcheon Install (Kept) 11

Refer to 747- 100/200/300 AMM52-51-08 as an accepted procedure. 1
- Dead Bolt Components Install (Kept)

**FIGURE 3: FLIGHT COMPARTMENT DOOR - DOOR COVER PLATE - REPLACEMENT (SHEET 4 OF 5)** 

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 39 of 45 **BOEING SERVICE BULLETIN 747-52-2293 MORE DATA**  **QTY IDENTIFICATION**  **NAME TASK**  **STEP** Refer to 747- 100/200/300 AMM52-51-08 as an accepted procedure. 1
- Door Knob Escutcheon Install (Kept) 12

Refer to 747- 100/200/300 AMM52-51-08 as an accepted procedure. 1
- Door Knob Install (Kept)

Not shown. Do a Post Installation Test of the Door Lock and Deadbolt. Refer to 747-100/200/300 AMM 52-51-08 asan accepted procedure. - - Flight Compartment Door Operate 13

Not Shown. Adjust flight compartment door, as required. Refer to 747- 100/200/300 AMM52-51-00 as an accepted procedure. 1
- Flight Compartment Door Adjust 14

**FIGURE 3: FLIGHT COMPARTMENT DOOR - DOOR COVER PLATE - REPLACEMENT (SHEET 5 OF 5)** 

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 40 of 45 **BOEING SERVICE BULLETIN 747-52-2293 This Figure applies only to: Group 4.** 

**FIGURE 4: FLIGHT COMPARTMENT DOOR - DOOR COVER PLATE - REPLACEMENT (SHEET 1 OF 5)** 

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 41 of 45 **BOEING SERVICE BULLETIN 747-52-2293**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 each airplane.

**FIGURE 4: FLIGHT COMPARTMENT DOOR - DOOR COVER PLATE - REPLACEMENT (SHEET 2 OF 5)** 

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 42 of 45 **BOEING SERVICE BULLETIN 747-52-2293 MORE DATA**  **QTY IDENTIFICATION**  **NAME TASK**  **STEP** Refer to 747- 100/200/300 AMM52-51-08 as an accepted procedure. 1
- Dead Bolt Components Remove / Keep 1

Refer to 747- 100/200/300 AMM52-51-08 as an accepted procedure. 1
- Dead Bolt Escutcheon Remove / Keep

Refer to 747- 100/200/300 AMM52-51-08 as an accepted procedure. 1
- Door Knob Remove / Keep 2

Refer to 747- 100/200/300 AMM52-51-08 as an accepted procedure. 1
- Door Knob Escutcheon Remove / Keep

Refer to 747- 100/200/300 AMM52-51-08 as an accepted procedure. 1
- Lock Escutcheon Remove / Keep 3

2 on the exterior and 2 on the interior of the door. Refer to 747-100/200/300 AMM 52-51-08 asan accepted procedure. 4
- Screw Remove / Keep

6 on the exterior and 6 on the interior ofthe door which attach the door cover plate. Refer to 747- 100/200/300 AMM52-51-08 as an accepted procedure. 12
- Screw Remove / Keep 4

Refer to 747- 100/200/300 AMM52-51-08 as an accepted procedure. 1
- Door Cover Plate Remove 5

1
- Door Handle Remove / Keep 6 2
- Screw Remove / Keep

**FIGURE 4: FLIGHT COMPARTMENT DOOR - DOOR COVER PLATE - REPLACEMENT (SHEET 3 OF 5)** 

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 43 of 45 **BOEING SERVICE BULLETIN 747-52-2293 MORE DATA**  **QTY IDENTIFICATION**  **NAME TASK**  **STEP** on new door cover plate. 1
- Door Handle Install (Kept) 7 Tighten to 33.25 - 36.75 inch-pounds. 2
- Screw Install (Kept) Refer to 747- 100/200/300 AMM52-51-08 as an accepted procedure. 1 232U2611-46B LATCH SHEAR PLATE Install (New) 8

6 on the exterior and 6 on the interior ofthe door which attach the door cover plate. Refer to 747- 100/200/300 AMM52-51-08 as an accepted procedure. 12
- Screw Install (Kept) 9

Refer to 747- 100/200/300 AMM52-51-08 as an accepted procedure. 1
- Lock Escutcheon Install (Kept) 10

2 on the exterior and 2 on the interior ofthe door which attach the door cover plate. Refer to 747- 100/200/300 AMM52-51-08 as an accepted procedure. 4
- Screw Install (Kept)

Refer to 747- 100/200/300 AMM52-51-08 as an accepted procedure. 1
- Dead Bolt Escutcheon Install (Kept) 11

Refer to 747- 100/200/300 AMM52-51-08 as an accepted procedure. 1
- Dead Bolt Components Install (Kept)

**FIGURE 4: FLIGHT COMPARTMENT DOOR - DOOR COVER PLATE - REPLACEMENT (SHEET 4 OF 5)** 

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 44 of 45 **BOEING SERVICE BULLETIN 747-52-2293 MORE DATA**  **QTY IDENTIFICATION**  **NAME TASK**  **STEP** Refer to 747- 100/200/300 AMM52-51-08 as an accepted procedure. 1
- Door Knob Escutcheon Install (Kept) 12

Refer to 747- 100/200/300 AMM52-51-08 as an accepted procedure. 1
- Door Knob Install (Kept)

Not shown. Do a Post Installation Test of the Door Lock and Deadbolt. Refer to 747-100/200/300 AMM 52-51-08 asan accepted procedure. - - Flight Compartment Door Operate 13

Not Shown. Adjust flight compartment door, as required. Refer to 747- 100/200/300 AMM52-51-00 as an accepted procedure. 1
- Flight Compartment Door Adjust 14

**FIGURE 4: FLIGHT COMPARTMENT DOOR - DOOR COVER PLATE - REPLACEMENT (SHEET 5 OF 5)** 

BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: September 04, 2009 747-52-2293 45 of 45 **BOEING SERVICE BULLETIN 747-52-2293**