### Commercial **Airplanes** 

# 747

Service Bulletin **SPECIAL ATTENTION Number:**  **747-35-2132** Original Issue: June 08, 2015 ATA System: 3521 **SUBJECT:** OXYGEN - Passenger - Passenger Oxygen System - Oxygen Tube Connector

Inspection and Oxygen Component Installation Export of this technology is controlled under the United States Export Administration Regulations (EAR) (15 CFR 300-774). An export license may be required before it is used for development, production or use by foreign persons from specific countries. The controller of this data has the individual responsibility to abide by all export laws. 9E991 ECCN: 

## BOEING PROPRIETARY, CONFIDENTIAL AND/OR TRADE SECRET Copyright © 2015 Boeing. Unpublished Work. All Rights Reserved. Treatment of this document and its content is governed by contract with Boeing. Rights to use this document are licensed on a per aircraft basis and such rights may not be transferable. For more information, contact The Boeing Company. Boeing, the Boeing signature, the Boeing symbol, 707, 717, 727, 737, 747, 757, 767, 777, 787, Dreamliner, BBJ, DC-8, DC-9, DC-10, KC-10, KC-46, KDC-10, MD-10, MD-11, MD-80, MD-88, MD-90, P-8, Poseidon and Boeing liveries are all trademarks owned by The Boeing Company; and no trademark license is granted in connection with this document unless provided in writing by Boeing.

Original Issue: June 08, 2015 747-35-2132 1of32 2.0Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: June 08, 2015 747-35-2132 2of32 **BOEING SERVICE BULLETIN 747-35-2132**

BLANK PAGE**Table of Contents**

Summary

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1. PLANNING INFORMATION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 A. Effectivity

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 1. Airplanes

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2. Spares Affected

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 B. Concurrent Requirements

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 C. Reason

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 D. Description

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 E. Compliance

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 F. Approval

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 G. Manpower

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 H. Weight and Balance Changes

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 I. Electrical Load Data

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 J. References

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 1. Existing Data:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 2. Data Supplied with this Service Bulletin:

. . . . . . . . . . . . . . . . . . . . . . . . . . . 13 3. Installation Drawings Used in the Preparation of this Service Bulletin:

. . . . . . . . . . . 13 K. Publications Affected

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 L. Interchangeability and Intermixability of Parts

. . . . . . . . . . . . . . . . . . . . . . . . . . . 13 M. Software Accomplishment Summary

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 2. MATERIAL INFORMATION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 A. Material - Price and Availability

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 B. Industry Support Information

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 C. Parts Necessary for Each Airplane

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 1. Kits/Parts

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 2. Parts and Materials Supplied by the Operator

. . . . . . . . . . . . . . . . . . . . . . . . 16 3. Parts Modified and Reidentified

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 4. Parts Removed and Not Replaced

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 D. Parts Necessary to Change Spares

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 E. Special Tooling - Price and Availability

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 F. Special Tooling Necessary to do this Service Bulletin

. . . . . . . . . . . . . . . . . . . . . . . 16 3. ACCOMPLISHMENT INSTRUCTIONS

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 A. GENERAL INFORMATION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 B. WORK INSTRUCTIONS

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 FIGURE 1: PASSENGER COMPARTMENT, LEFT SIDE, STOWAGE BIN BUCKET REMOVAL

. . . 21 FIGURE 2: PASSENGER COMPARTMENT, RIGHT SIDE, STOWAGE BIN BUCKET REMOVAL

. . 23 FIGURE 3: OXYGEN TUBE COUPLER ASSEMBLY - GENERAL VISUAL INSPECTION

. . . . . . . 25 FIGURE 4: PASSENGER COMPARTMENT, LEFT SIDE, STOWAGE BIN BUCKET INSTALLATION

. 27 FIGURE 5: PASSENGER COMPARTMENT, RIGHT SIDE, STOWAGE BIN BUCKET INSTALLATION

. 29 APPENDIX A: LOGIC DIAGRAM FOR PARAGRAPH 1.E., COMPLIANCE: TABLE 1: PASSENGER OXYGEN

SYSTEM - OXYGEN TUBING ATTACHED TO THE OUTBOARD STOWAGE BIN SUPPORT ASSEMBLIES - INSPECTION AND INSTALLATION

. . . . . . . . . . . . . . . . . . . . . 31 APPENDIX B: PART DEMAND INTENT

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: June 08, 2015 747-35-2132 3of32 **BOEING SERVICE BULLETIN 747-35-2132**Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: June 08, 2015 747-35-2132 4of32 **BOEING SERVICE BULLETIN 747-35-2132**

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### Commercial **Airplanes** 

# 747

Service Bulletin **SPECIAL ATTENTION Summary**  **Number: 747-35-2132**  Original Issue: June 08, 2015 ATA System: 3521 **SUBJECT:** OXYGEN - Passenger - Passenger Oxygen System - Oxygen Tube Connector

Inspection and Oxygen Component Installation BOEING RECOMMENDS THAT EACH OPERATOR EXAMINE THIS SERVICE BULLETIN IMMEDIATELY. **CONCURRENT REQUIREMENTS** None. **BACKGROUND** Accomplishment of this service bulletin will prevent oxygen leaks from oxygen tube couplings in the passenger oxygen system. If this service bulletin is not done, oxygen could leak from incorrectly installed oxygen tube couplings which would result in depletion of emergency oxygen at a faster rate than expected and reduce the passengers' and crews' protection from hypoxia at elevated cabin altitudes. Also an oxygen leak in a confined space can cause an oxygen-rich environment, which would increase the risk of a fire. Boeing suspects that some airplanes could have oxygen components (two 'o'-rings, sleeve assembly and coupler assembly) missing from oxygen tube couplings attached to the outboard stowage bin support assemblies. Boeing believes that these airplanes were delivered with the correct configuration of oxygen components. However, because of an error in an engineering drawing and related parts list, which omitted part number call outs for some oxygen components, subsequent rework of the oxygen tubing could put the couplings in an incorrect configuration. This service bulletin gives instructions to do a general visual inspection of the oxygen tubing couplings that are attached to the outboard stowage bin support assemblies, to identify if any oxygen components are missing. If any oxygen components are found missing, new oxygen components are installed to achieve a correct configuration. Boeing Service Related Problem (SRP)747-8-SRP-35-0056is related to this service bulletin. Boeing Fleet Team Digest (FTD)747 FTD 35-14001is related to this service bulletin. This table is provided to operators for planning purposes only. Refer to the applicable sections for more information. **Reference Affected**  **Planning Data** Paragraph 1.A.2., Spares Affected No Spares Affected

Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: June 08, 2015 747-35-2132 5of32**Reference Affected**  **Planning Data** Paragraph 1.E., ComplianceandParagraph 1.F., Approval Yes AD Related Paragraph 1.H., Weight and Balance Changes No Weight and Balance Change Paragraph 1.I., Electrical Load Data No Electrical Load Changed Paragraph 1.K., Publications Affected Yes Publications Affected Paragraph 1.K., Publications Affected No Airplane Flight Operations Affected (Flight CrewOperations Manual and/or FAA Approved Airplane Flight Manual) Paragraph 2.C.1., Kits/Parts Yes Kits/Parts Required Paragraph 2.C.2., Parts and Materials Supplied by the Operator No Operator Supplied Parts/Material Paragraph 2.F., Special Tooling Necessary to do this Service Bulletin No Special Tooling Required
**ACTION** In the main deck passenger compartment, do a general visual inspection of sixteen passenger oxygen coupler assemblies for missing oxygen components (two 'o'-rings, sleeve assembly and coupler assembly). If oxygen components are not installed, install new oxygen components. **EFFECTIVITY** 747-8 Airplane(s). Refer to Paragraph 1.A.1., Airplanes, for the list of affected airplane(s). **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. Refer toParagraph 1.E., Compliance

. **INDUSTRY SUPPORT INFORMATION** Boeing warranty remedies are available for airplanes in warranty as of April 18, 2014. Please refer toParagraph 2.B., Industry Support Information. The warranty remedies will expire eight years from the original issue date of this service bulletin. **MANPOWER** Refer toParagraph 1.G., Manpower

. **MATERIAL INFORMATION** Boeing Supplied Kits/Parts. Refer toParagraph 2.A., Material - Price and Availability

.

Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: June 08, 2015 747-35-2132 6of32 **BOEING SERVICE BULLETIN 747-35-2132**Operators are encouraged to complete the survey provided inAPPENDIX Bof this service bulletin to help Boeing

predict the quantity and timing of the Boeing Supplied Kits/Parts.

Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: June 08, 2015 747-35-2132 7of32 **BOEING SERVICE BULLETIN 747-35-2132**Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: June 08, 2015 747-35-2132 8of32 **BOEING SERVICE BULLETIN 747-35-2132**

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### Commercial **Airplanes** 

# 747

Service Bulletin **SPECIAL ATTENTION Number:**  **747-35-2132** Original Issue: June 08, 2015 ATA System: 3521 **SUBJECT:** OXYGEN - Passenger - Passenger Oxygen System - Oxygen Tube Connector

Inspection and Oxygen Component Installation BOEING RECOMMENDS THAT EACH OPERATOR EXAMINE THIS SERVICE BULLETIN IMMEDIATELY. **1. PLANNING INFORMATION A.**  **Effectivity** 1. Airplanes Refer toService Bulletin Index D6-30300Part 3 for Airplane Variable Number, Line Number, and Serial Number data. This service bulletin is applicable to 747-8 Airplanes, line numbers 1443, 1446, 1449, 1451, 1453, 1456, 1459, 1466, 1468, 1470, 1472, 1475, 1477, 1480 and 1492 in 1 Group. The Variable Numbers and Group Information for the applicable airplanes is given below. **DESCRIPTION CONFIGURATION**  **GROUP** 747-8 Airplanes that were delivered with outboard stowage bin support assemblies 413U1122-543 and 413U1122-544. - 1

Airplane Models: 747-8 **Group Variable Number**  1 RC004 - RC008 1 RC022 - RC031 2. Spares Affected None. **B. Concurrent Requirements**  None.

Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: June 08, 2015 747-35-2132 9of32**C. Reason** 

Accomplishment of this service bulletin will prevent oxygen leaks from oxygen tube couplings in the passenger oxygen system. If this service bulletin is not done, oxygen could leak from incorrectly installed oxygen tube couplings which would result in depletion of emergency oxygen at a faster rate than expected and reduce the passengers' and crews' protection from hypoxia at elevated cabin altitudes. Also an oxygen leak in a confined space can cause an oxygen-rich environment, which would increase the risk of a fire. Boeing suspects that some airplanes could have oxygen components (two 'o'-rings, sleeve assembly and coupler assembly) missing from oxygen tube couplings attached to the outboard stowage bin support assemblies. Boeing believes that these airplanes were delivered with the correct configuration of oxygen components. However, because of an error in an engineering drawing and related parts list, which omitted part number call outs for some oxygen components, subsequent rework of the oxygen tubing could put the couplings in an incorrect configuration. This service bulletin gives instructions to do a general visual inspection of the oxygen tubing couplings that are attached to the outboard stowage bin support assemblies, to identify if any oxygen components are missing. If any oxygen components are found missing, new oxygen components are installed to achieve a correct configuration. Boeing Service Related Problem (SRP)747-8-SRP-35-0056is related to this service bulletin. Boeing Fleet Team Digest (FTD)747 FTD 35-14001is related to this service bulletin. **D. Description**  In the main deck passenger compartment, do a general visual inspection of sixteen passenger oxygen coupler assemblies for missing oxygen components (two 'o'-rings, sleeve assembly and coupler assembly). If oxygen components are not installed, install new oxygen components. The work in this service bulletin is done in the maintenance zone(s) given below. **Affected Maintenance Zones Zone**  **Model** 231, 232, 241, 242, 251, 252, 261, 262 747-8 **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. A logic diagram showing compliance tasks and compliance times is included as an aid inAPPENDIX A

. Do the required actions in accordance with Paragraph 3. Accomplishment Instructions. The Conditions, Actions and Compliance times shown apply to each location independently.

Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: June 08, 2015 747-35-2132 10of32 **BOEING SERVICE BULLETIN 747-35-2132 TABLE 1: PASSENGER OXYGEN SYSTEM - OXYGEN TUBE CONNECTOR GENERAL VISUAL**  **INSPECTION AND OXYGEN COMPONENT INSTALLATION Repeat Interval**  **(Not to Exceed) Compliance Time**  **Action Condition** 

- Within 72 monthsafter the original issue date of this service bulletin. At sixteen locations, open the oxygen tubing coupler assemblies, attached to the outboard stowage bin support assemblies, anddo a general visual inspection to identify if oxygen components are installed.(b) All airplanes

- Before further flight. Install new 'o'-rings andclose the coupler assembly.(a)CONDITION 1: ALL OXYGEN COMPONENTS INSTALLED.

- Before further flight.Install new 'o'-rings. Install new oxygen components (sleeve assembly or coupler assembly) that are found missing.(a)CONDITION 2: ANY OXYGEN COMPONENTS NOT INSTALLED.
(a) This is a terminating action for this service bulletin. (b) The oxygen components for this inspection are two 'o'-rings, part number 474W2090-30, sleeve assembly, part number 474W2090-20, and coupler assembly, part number 474W2090-10. **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:

• Time to adjust to the workplace • Time to schedule the work

Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: June 08, 2015 747-35-2132 11of32 **BOEING SERVICE BULLETIN 747-35-2132**• Time to inspect the work

• Time to cure the materials • Time to make the parts • Time to find the tools. **Elapsed Hours Task Hours**  **Number of Persons Task**  0.20 0.20 1 Prepare For Oxygen System Maintenance 0.50 0.50 1 Open Access 1.00 1.00 1 FIGURE 1 1.00 1.00 1 FIGURE 2 0.80 0.80 1 FIGURE 3 0.80 0.80 1 Coupler Assembly Installation 1.00 1.00 1 Oxygen System Low Pressure Leak Test 0.50 0.50 1 Oxygen System Alter-nate (Electrical) Actuation Test 1.00 1.00 1 FIGURE 4 1.00 1.00 1 FIGURE 5 0.20 0.20 1 Close Access 8.00 8.00 TOTAL FOR EACH AIRPLANE **H. Weight and Balance Changes**  None. **I. Electrical Load Data**  Not changed. **J. References**  1. Existing Data:
a. Boeing Service Related Problem (SRP)747-8-SRP-35-0056 b. Service Bulletin IndexD6-30300
c. Standard Overhaul Practices Manual (SOPM)20-50-01 d. 747 Fleet Team Digest (FTD)35-14001
e. 747-8 Aircraft Maintenance Manual (AMM)25-28-01,35-00-00,35-21-00,35-41-00

Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: June 08, 2015 747-35-2132 12of32 **BOEING SERVICE BULLETIN 747-35-2132**2. Data Supplied with this Service Bulletin: None. 3. Installation Drawings Used in the Preparation of this Service Bulletin: **Title Drawing Number**  STOWAGE BIN INSTALLATION - OUTBOARD OVERHEAD 413U1120 SUPPORT ASSY ZONE B-E OUTBOARD OVERHEAD STOWAGE 413U1122 The table above lists applicable drawings used to prepare this service bulletin. The drawings are not necessary to make the specified changes, and are not supplied with this service bulletin. The drawings may not be applicable to all airplane configurations or operators. **K. Publications Affected**  1. Publications: **Chapter-Section Publication**  35-21 747 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. **M. Software Accomplishment Summary**  Not affected.

Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: June 08, 2015 747-35-2132 13of32 **BOEING SERVICE BULLETIN 747-35-2132**Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: June 08, 2015 747-35-2132 14of32 **BOEING SERVICE BULLETIN 747-35-2132**

BLANK PAGE**2. MATERIAL INFORMATION A.**  **Material - Price and Availability** Boeing can supply the kit shown inParagraph 2.C., Parts Necessary for Each Airplane. Operators are encouraged to share schedule requirements with Boeing for incorporation of the service bulletin. The kit is subject to the terms and conditions of the Boeing standard purchase order acknowledgment. Prices are in United States Dollars. Terms: Net 30 days. Reference this service bulletin and submit your purchase order by one of these methods: 1. Order on-line via ATA Spec 2000 or The Boeing PART Page 2. Fax to (206) 662-7145 **REFER TO THE BOEING PART PAGE ON MYBOEINGFLEET.COM OR CONTACT FIRST RESPONDER AT FR@BOEING.COM FOR THE LATEST REORDER LEAD TIME (ROLT) AND PRICE INFORMATION**  **Unit Price as of the original issue** **date of this Ser vice Bulletin (US**  **Dollars) ROLT as of the**  **original issue date of this Ser** **vice Bulletin (Cal endar Days)**  **QTY Date**  **Name Kit Number** 

6,888.00 232 10 July 08, 2015 TOP KIT, RETROFIT -MAIN DECK PASSENGER COMPARTMENT OXYGEN TUBING CHANGE 015U2137-1

Operators are encouraged to complete the survey provided inAPPENDIX Bof this service bulletin to help Boeing predict the quantity and timing of the Boeing Supplied Kits/Parts. **B. Industry Support Information**  Boeing warranty remedies are available for 747 airplanes in warranty as of April 18, 2014. For inspection labor task hour reimbursement for airplanes in warranty as of that date, send a warranty claim to Boeing Fleet Support Contracts - Warranty. If the condition described in this service bulletin is found during the inspection for airplanes in warranty as of that date and additional task hours and kits, parts, and/or special tools are required, send a warranty claim to Boeing Fleet Support Contracts - Warranty. Please refer to this service bulletin number and reference the airplane variable numbers in your purchase order. The warranty remedies will expire eight years from the original issue date of this service bulletin. **C. Parts Necessary for Each Airplane**  1. Kits/Parts To get the kits/parts shown below, refer toParagraph 2.A., Material - Price and Availability

. **NOTE:** One top kit and the items shown inParagraph 2.C.2., Parts and Materials Supplied by the Operator, are necessary for each airplane.

Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: June 08, 2015 747-35-2132 15of32 **BOEING SERVICE BULLETIN 747-35-2132 Kit 015U2137**  **Notes Existing Part**  **Number Name**  **QTY New Part Number**  **-1** TOP KIT, RETROFIT - MAINDECK PASSENGER COMPARTMENT OXYGEN TUBING CHANGE - 015U2137-1

(a) (b) COUPLER ASSY 16 474W2090-10 (a) (b) SLEEVE ASSY 16 474W2090-20 (a) (b) O-RING ASSY 32 474W2090-30 (a) This part is used in production. (b) The quantity given is the maximum needed for this change. 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. **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 inParagraph 1.J., References, can be necessary. Examine operator tool supply to make sure all necessary tools are available.

Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: June 08, 2015 747-35-2132 16of32 **BOEING SERVICE BULLETIN 747-35-2132 3. ACCOMPLISHMENT INSTRUCTIONS**  **A. GENERAL INFORMATION**  **NOTE:** 1. Manual titles are referred to by acronyms. Refer toParagraph 1.J., References, for

definition of the acronyms. 2. Obey all of the warnings and cautions given in the specified manual sections. 3. Unless shown differently, these dimensions and tolerances are used:

– Linear dimensions are in inches

– Tolerance on linear dimensions, other than rivet and bolt edge margins, is plus or minus 0.03 inch

– Tolerance on rivet and bolt edge margin is plus or minus 0.05 inch

– Angular tolerance is plus or minus 2 degrees

– Hole dimensions for standard solid rivets and fasteners are in Structural Repair Manual (SRM) Chapter 51

– Torque Values:

— Values for structural fasteners are given in 747-8 Structural Repair Manual, Chapter 51.
4. If the length of any fastener specified in this service bulletin does not meet installation

standards given in SRM Chapter 51, then a fastener of the same specification, or an approved substitute, with a length which meets the installation standards given in SRM Chapter 51 may be used. In addition, washers may be installed for fastener grip length in accordance with SRM Chapter 51. Refer toSOPM 20-50-01for alternate full threaded fasteners (screws) needed for installation in this service bulletin. 5. 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. 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. 7. Refer toAPPENDIX Afor logic diagram. Logic diagrams are provided as an aid only.

Information contained inParagraph 1.E., Complianceis the primary source for compliance times. Information inParagraph 3.B., Work Instructionsis the primary source for tasks required for compliance. 8. If it is necessary to remove more parts for access, you can remove those parts. If you can get access without removing identified parts, it is not necessary to remove all of the identified parts. Jacking and shoring limitations must be observed.

Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: June 08, 2015 747-35-2132 17of32 **BOEING SERVICE BULLETIN 747-35-2132**9. Where the work instructions include installation of a kept part, a new or serviceable part with the same part number can be installed as an alternative to the kept part. 10. This service bulletin includes functional test procedures for the systems changed by this service bulletin. More functional tests can possibly be necessary in accordance with standard maintenance practices because of interruption to other airplane systems. 11. Use of colors in Figures is based on guidance from the ATA e-Business Program (ATA) iSpec 2200. 12. When more than one OPTION is given for a CONDITION, do only one of the OPTION numbers. When more than one ACTION is given for a CONDITION number or an OPTION number, do all of the ACTION numbers for that CONDITION number or OPTION number. 13. The compliance times for the actions in Paragraph 3.B., WORK INSTRUCTIONS are inParagraph 1.E., Compliance

. 14. The CONDITIONS, ACTIONS and OPTIONS shown apply to each location independently. 15. Some steps in the Work Instructions are identified as Required for Compliance (RC). If this service bulletin is mandated by an Airworthiness Directive (AD), then the steps identified as RC and steps indented under an RC step must be done to comply with the AD. Alternative procedures for steps not identified with RC can be used if the RC steps and indented steps can still be done as specified, and the airplane can be put back in a serviceable condition. An Alternative Method of Compliance (AMOC) is not necessary for deviations to steps that are not identified as RC. **B. WORK INSTRUCTIONS**  **WARNING:** MAKE SURE THAT THE OXYGEN SYSTEM IS DEACTIVATED AND ALL OXYGEN

CYLINDERS ARE FULLY CLOSED. IF THE OXYGEN SYSTEM IS NOT DEACTIVATED AND ALL THE OXYGEN CYLINDERS ARE NOT FULLY CLOSED, THE OXYGEN SYSTEM MAY BE PRESSURIZED. IF WORK IS DONE ON A PRESSURIZED OXYGEN SYSTEM, INJURY TO PERSONNEL AND / OR DAMAGE TO EQUIPMENT CAN OCCUR. **WARNING:** OPEN EXPOSURE OF THE OXYGEN SYSTEM MUST BE KEPT TO A MINIMUM TO

PROTECT THE INTEGRITY OF THE OXYGEN SYSTEM. OPEN EXPOSURE TIME IS NOT TO BE MORE THAN 5 MINUTES. COVER AND SEAL OPEN LINES WITH A SUFFICIENT PLASTIC BAG, CAP OR PLUG TO PREVENT CONTAMINATION. CONTAMINATION CAN CAUSE A FIRE OR EXPLOSION IN AN OXYGEN SYSTEM WHICH MAY CAUSE INJURIES TO PERSONNEL AND DAMAGE TO EQUIPMENT. RETURN ANY CONTAMINATED EQUIPMENT TO VENDOR. **CAUTION:** OXYGEN SYSTEM COMPONENTS REQUIRE SPECIAL CARE AND HANDLING

PROCEDURES. BEFORE WORK IS DONE ON THE OXYGEN SYSTEM, REVIEW THE SAFETY AND MAINTENANCE PROCEDURES GIVEN IN747-8 AMM 35-00-00PRIOR TO MODIFYING THE OXYGEN SYSTEM. 1. Prepare for oxygen system maintenance. Read and obey the gaseous oxygen safety precautions and general instructions before you do the following tasks, refer to747-8 AMM 35-00-00

.

Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: June 08, 2015 747-35-2132 18of32 **BOEING SERVICE BULLETIN 747-35-2132 WARNING:**  CLOSE THE SHUTOFF VALVE SLOWLY. IF THE VALVES ARE CLOSED QUICKLY, THE TEMPERATURE OF THE OXYGEN CAN INCREASE. THIS CAN START AN IGNITION WITH THE OXYGEN AND CAN CAUSE INJURY TO PERSONS AND DAMAGE TO THE EQUIPMENT. 2. Close the shutoff valve on the passenger oxygen cylinders. Refer to747-8 AMM 35-41-00as an accepted procedure. 3. Get access to the main deck passenger compartment. 4. Remove and keep eight identified, left side, outboard stowage bin assemblies (stowage bin bucket) in accordance withFIGURE 1

. 5. Remove and keep eight identified, right side, outboard stowage bin assemblies (stowage bin bucket) in accordance withFIGURE 2

. 6. RC - At sixteen locations, open the coupler assemblies on the oxygen tubes and do a general visual inspection to identify if all oxygen components are installed, in accordance withFIGURE 3

. **NOTE:** The oxygen components for this inspection are two 'o'-rings, part number 474W2090-30, sleeve assembly, part number 474W2090-20, and coupler assembly, part number 474W2090-10.
a. CONDITION 1: ALL OXYGEN COMPONENTS INSTALLED. (1) Install new 'o'-rings, part number 474W2090-30, and close the oxygen tubing coupler assembly. Refer to747-8 AMM 35-00-00(Low Pressure Hose - Coupling Assembly) as an accepted procedure. **NOTE:** It is optional to install a new coupler assembly, part number 474W2090-10, and a new sleeve assembly, part number 474W2090-20, if these oxygen components are found installed. b. CONDITION 2: ANY OXYGEN COMPONENTS NOT INSTALLED. (1) Install new 'o'-rings, part number 474W2090-30. Install new oxygen components (sleeve assembly, part number 474W2090-20, or coupler assembly, part number 474W2090-10) that are found missing. Refer to747-8 AMM 35-00-00(Low Pressure Hose - Coupling Assembly) as an accepted procedure. **NOTE:** It is optional to install a new coupler assembly, part number 474W2090-10, and a new sleeve assembly, part number 474W2090-20, if these oxygen components are found installed. **WARNING:** OPEN THE SHUTOFF VALVE SLOWLY. IF THE VALVES ARE OPENED QUICKLY,

THE TEMPERATURE OF THE OXYGEN CAN INCREASE. THIS CAN START AN IGNITION WITH THE OXYGEN AND CAN CAUSE INJURY TO PERSONS AND DAMAGE TO THE EQUIPMENT. 7. Open the shutoff valve on the passenger oxygen cylinders. Refer to747-8 AMM 35-41-00as an accepted procedure.

Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: June 08, 2015 747-35-2132 19of32 **BOEING SERVICE BULLETIN 747-35-2132**8. Do an oxygen system low pressure leak test. Refer to747-8 AMM 35-21-00as an accepted procedure. 9. Do an oxygen system alternate (electrical) actuation test. Refer to747-8 AMM 35-21-00as an accepted procedure. 10. Install the kept, left side, outboard stowage bin assemblies (stowage bin bucket) in accordance withFIGURE 4

. 11. Install the kept, right side, outboard stowage bin assemblies (stowage bin bucket) in accordance withFIGURE 5

. 12. Put the airplane back to a serviceable condition.

Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: June 08, 2015 747-35-2132 20of32 **BOEING SERVICE BULLETIN 747-35-2132 FIGURE 1:** **PASSENGER COMPARTMENT, LEFT SIDE, STOWAGE BIN BUCKET REMOVAL (SHEET 1 OF 2)**  Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: June 08, 2015 747-35-2132 21of32 **BOEING SERVICE BULLETIN 747-35-2132**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. **More Data Qty**  **Identification Name**  **Task Step**  Stowage bin bucket. Refer to747-8 AMM 25-28-01as an accepted procedure. See table below for more information onbin assembly locations. 8 413U1127-501 OUTBOARD BIN ASSY 50 INCH Remove / Keep 1

**Location Left Side Stowage Bin**  **Support Assembly Outboard Stowage**  **Bin Assembly** STA 690 - STA 740

413U1122-543B 413U1127-501 STA 740+100 - STA 740+150

413U1122-543B 413U1127-501 STA 1070 - STA 1120

413U1122-543B 413U1127-501 STA 1170 - STA 1220

413U1122-543B 413U1127-501 STA 1420 - STA 1470

413U1122-543B 413U1127-501 STA 1510 - STA 1560

413U1122-543B 413U1127-501 STA 1820 - STA 1870

413U1122-543B 413U1127-501 STA 2120 - STA 2170

413U1122-543B 413U1127-501

**FIGURE 1: PASSENGER COMPARTMENT, LEFT SIDE, STOWAGE BIN BUCKET REMOVAL**  **(SHEET 2 OF 2)** Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: June 08, 2015 747-35-2132 22of32 **BOEING SERVICE BULLETIN 747-35-2132 FIGURE 2:** **PASSENGER COMPARTMENT, RIGHT SIDE, STOWAGE BIN BUCKET REMOVAL (SHEET 1 OF 2)**  Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: June 08, 2015 747-35-2132 23of32 **BOEING SERVICE BULLETIN 747-35-2132**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. **More Data Qty**  **Identification Name**  **Task Step**  Stowage bin bucket. Refer to747-8 AMM 25-28-01as an accepted procedure. See table below for more information onbin assembly locations. 8 413U1127-501 OUTBOARD BIN ASSY 50 INCH Remove / Keep 1

**Location Right Side Stowage Bin**  **Support Assembly Outboard Stowage**  **Bin Assembly** STA 690 - STA 740

413U1122-544B 413U1127-501 STA 740+100 - STA 740+150

413U1122-544B 413U1127-501 STA 1070 - STA 1120

413U1122-544B 413U1127-501 STA 1170 - STA 1220

413U1122-544B 413U1127-501 STA 1420 - STA 1470

413U1122-544B 413U1127-501 STA 1510 - STA 1560

413U1122-544B 413U1127-501 STA 1820 - STA 1870

413U1122-544B 413U1127-501 STA 2120 - STA 2170

413U1122-544B 413U1127-501

**FIGURE 2: PASSENGER COMPARTMENT, RIGHT SIDE, STOWAGE BIN BUCKET REMOVAL**  **(SHEET 2 OF 2)** Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: June 08, 2015 747-35-2132 24of32 **BOEING SERVICE BULLETIN 747-35-2132 FIGURE 3:** **OXYGEN TUBE COUPLER ASSEMBLY - GENERAL VISUAL INSPECTION (SHEET 1 OF 2)**  Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: June 08, 2015 747-35-2132 25of32 **BOEING SERVICE BULLETIN 747-35-2132**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. **More Data Qty**  **Identification Name**  **Task Step**  If installed. 16 474W2090-10 COUPLER ASSY Open 1 Do a general visual inspection to identifyif a all oxygen components are installed. - - OXYGEN TUBE Inspect 2

(a) The oxygen components for this inspection are two 'o'-rings, part number 474W2090-30, sleeve assembly, part number 474W2090-20, and coupler assembly, part number 474W2090-10.

**FIGURE 3: OXYGEN TUBE COUPLER ASSEMBLY - GENERAL VISUAL INSPECTION**  **(SHEET 2 OF 2)** Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: June 08, 2015 747-35-2132 26of32 **BOEING SERVICE BULLETIN 747-35-2132 FIGURE 4:** **PASSENGER COMPARTMENT, LEFT SIDE, STOWAGE BIN BUCKET INSTALLATION (SHEET 1 OF 2)**  Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: June 08, 2015 747-35-2132 27of32 **BOEING SERVICE BULLETIN 747-35-2132**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. **More Data Qty**  **Identification Name**  **Task Step**  Stowage bin bucket. Refer to747-8 AMM 25-28-01as an accepted procedure. See table below for more information onbin assembly locations. 8 413U1127-501 OUTBOARD BIN ASSY 50 INCH Install (Kept) 1

**Location Left Side Stowage Bin**  **Support Assembly Outboard Stowage**  **Bin Assembly** STA 690 - STA 740

413U1122-543B 413U1127-501 STA 740+100 - STA 740+150

413U1122-543B 413U1127-501 STA 1070 - STA 1120

413U1122-543B 413U1127-501 STA 1170 - STA 1220

413U1122-543B 413U1127-501 STA 1420 - STA 1470

413U1122-543B 413U1127-501 STA 1510 - STA 1560

413U1122-543B 413U1127-501 STA 1820 - STA 1870

413U1122-543B 413U1127-501 STA 2120 - STA 2170

413U1122-543B 413U1127-501

**FIGURE 4: PASSENGER COMPARTMENT, LEFT SIDE, STOWAGE BIN BUCKET INSTALLATION**  **(SHEET 2 OF 2)** Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: June 08, 2015 747-35-2132 28of32 **BOEING SERVICE BULLETIN 747-35-2132 FIGURE 5:** **PASSENGER COMPARTMENT, RIGHT SIDE, STOWAGE BIN BUCKET INSTALLATION (SHEET 1 OF 2)**  Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: June 08, 2015 747-35-2132 29of32 **BOEING SERVICE BULLETIN 747-35-2132**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. **More Data Qty**  **Identification Name**  **Task Step**  Stowage bin bucket. Refer to747-8 AMM 25-28-01as an accepted procedure. See table below for more information onbin assembly locations. 8 413U1127-501 OUTBOARD BIN ASSY 50 INCH Install (Kept) 1

**Location Right Side Stowage Bin**  **Support Assembly Outboard Stowage**  **Bin Assembly** STA 690 - STA 740

413U1122-544B 413U1127-501 STA 740+100 - STA 740+150

413U1122-544B 413U1127-501 STA 1070 - STA 1120

413U1122-544B 413U1127-501 STA 1170 - STA 1220

413U1122-544B 413U1127-501 STA 1420 - STA 1470

413U1122-544B 413U1127-501 STA 1510 - STA 1560

413U1122-544B 413U1127-501 STA 1820 - STA 1870

413U1122-544B 413U1127-501 STA 2120 - STA 2170

413U1122-544B 413U1127-501

**FIGURE 5: PASSENGER COMPARTMENT, RIGHT SIDE, STOWAGE BIN BUCKET INSTALLATION**  **(SHEET 2 OF 2)** Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: June 08, 2015 747-35-2132 30of32 **BOEING SERVICE BULLETIN 747-35-2132**Logic diagrams are provided as an aid only. Information contained inParagraph 1.E., Complianceis the primary

source for compliance times. Information contained inParagraph 3.B., Work Instructionsis the primary source for tasks required for compliance. 1. The table below gives the description for the parts and conditions called out in the logic diagrams. **Description Title**  DO A GENERAL VISUAL INSPECTION THE PASSENGER OXYGEN TUBING SYSTEM ATTACHED TO THE OUTBOARD STOWAGE BIN SUPPORT ASSEMBLIES TO IDENTIFY IF OXYGEN COMPONENTS ARE INSTALLED. INSPECT

ALL OXYGEN COMPONENTS INSTALLED. CONDITION 1 ANY OXYGEN COMPONENTS NOT INSTALLED. CONDITION 2

**APPENDIX A: LOGIC DIAGRAM FOR PARAGRAPH 1.E., COMPLIANCE: TABLE 1: PASSENGER OXYGEN**  **SYSTEM - OXYGEN TUBING ATTACHED TO THE OUTBOARD STOWAGE BIN SUPPORT ASSEMBLIES - INSPECTION AND INSTALLATION** 

**(SHEET 1 OF 1)** Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: June 08, 2015 747-35-2132 31of32 **BOEING SERVICE BULLETIN 747-35-2132 APPENDIX B:** **PART DEMAND INTENT (SHEET 1 OF 1)**  Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. Original Issue: June 08, 2015 747-35-2132 32of32 **BOEING SERVICE BULLETIN 747-35-2132**