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Commercial Airplanes 777 Service Bulletin ALERT Number: 777-35A0027 Original Issue: December 15, 2011 Revision 1: April 19, 2012 ATA System: 3511 SUBJECT: OXYGEN - Crew Oxygen System - Low Pressure Oxygen Hose Replacement 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.
9E991ECCN:
BOEING PROPRIETARY, CONFIDENTIAL AND/OR TRADE SECRET Copyright © 2011 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Unpublished Work.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, KDC-10, MD-10, MD-11, MD-80, MD-88, MD-90, P-8A, 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. BOEING is a trademark of Boeing Management Company.
Original Issue: December 15, 2011 777-35A0027Revision 1: April 19, 2012 1 of 48
3.0
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: December 15, 2011 777-35A0027Revision 1: April 19, 2012 2 of 48 BOEING SERVICE BULLETIN 777-35A0027
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Table of Contents
Revision Transmittal Sheet5
Summary7
1. PLANNING INFORMATION ........................................ 1 1 A. Effectivity ............................................... 1 1
1. Airplanes ............................................ 1 1
2. Spares Affected ........................................ 1 5 B. Concurrent Requirements ...................................... 1 6 C. Reason ................................................ 1 6 D. Description .............................................. 1 6 E. Compliance .............................................. 1 6 F. Approval ............................................... 1 7 G. Manpower .............................................. 1 7 H. Weight and Balance Changes .................................... 1 7 I. Electrical Load Data ......................................... 1 8 J. References .............................................. 1 8
1. Existing Data: ......................................... 1 8
2. Data Supplied with this Service Bulletin: ........................... 1 8
3. Installation Drawings Used in the Preparation of this Service Bulletin: ........... 1 8 K. Publications Affected ........................................ 1 9 L. Interchangeability and Intermixability of Parts ........................... 1 9 M. Software Accomplishment Summary ................................ 1 9
2. MATERIAL INFORMATION ........................................ 2 1 A. Material - Price and Availability ................................... 2 1 B. Industry Support Information .................................... 2 1 C. Parts Necessary for Each Airplane ................................. 2 2
1. Kits/Parts ............................................ 2 2
2. Parts and Materials Supplied by the Operator ........................ 2 2
3. Parts Modified and Reidentified ................................ 2 3
4. Parts Removed and Not Replaced .............................. 2 3 D. Parts Necessary to Change Spares ................................. 2 3 E. Special Tooling - Price and Availability ............................... 2 3 F. Special Tooling Necessary to do this Service Bulletin ....................... 2 3
3. ACCOMPLISHMENT INSTRUCTIONS .................................. 2 5 A. GENERAL INFORMATION ..................................... 2 5 B. WORK INSTRUCTIONS ....................................... 2 6 FIGURE 1: LOW PRESSURE OXYGEN HOSE SLEEVE AND TAPE INSTALLATION ......... 2 7 FIGURE 2: FIRST OFFICER SIDE CONSOLE LOW PRESSURE OXYGEN HOSE REPLACEMENTS . 30 FIGURE 3: CAPTAIN OXYGEN STOWAGE BOX LOW PRESSURE OXYGEN HOSE REPLACEMENT .................................................. 3 4 FIGURE 4: FIRST OFFICER STOWAGE CLOSET LOW PRESSURE OXYGEN HOSE REPLACEMENT .................................................. 3 7 FIGURE 5: OBSERVERS CONSOLE LOW PRESSURE OXYGEN HOSE REPLACEMENT ..... 4 0 FIGURE 6: FLIGHT DECK INTERIOR RESTORATION ......................... 4 3 APPENDIX A: OXYGEN HOSE TO STOWAGE BOX INSTALLATION ................... 4 8 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: December 15, 2011 777-35A0027Revision 1: April 19, 2012 4 of 48 BOEING SERVICE BULLETIN 777-35A0027
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Commercial Airplanes 777 Service Bulletin ALERT Revision Transmittal SheetNumber: 777-35A0027Original Issue: December 15, 2011 Revision 1: April 19, 2012 ATA System: 3511 SUBJECT: OXYGEN - Crew Oxygen System - Low Pressure Oxygen Hose Replacement This revision includes all pages of the service bulletin.
COMPLIANCE INFORMATION RELATED TO THIS REVISION No more work is necessary on the airplane(s) changed in accordance with the original issue of this service bulletin.
REASON FOR REVISION This revision is sent to revise the effected airplanes. This revision removes airplanes that had the intent of this change incorporated in production.
These sections were changed:
1. Paragraph 1.A., Effectivity, Removed Airplanes.
2. Summary, Industry Support Information, Updated warranty information.
3. Paragraph 2.A., Material Price and Availability, Updated Price.
4. Paragraph 2.B., Industry Support Information; Updated warranty information.
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 December 15, 2011Original Issue:
April 19, 2012Revision 1:
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: December 15, 2011 777-35A0027Revision 1: April 19, 2012 5 of 48
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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Commercial Airplanes 777 Service Bulletin ALERT SummaryNumber: 777-35A0027Original Issue: December 15, 2011 Revision 1: April 19, 2012 ATA System: 3511 SUBJECT: OXYGEN - Crew Oxygen System - Low Pressure Oxygen Hose Replacement
THIS BULLETIN IS SENT TO THE OPERATORS OF RECORD OF THE AIRPLANES SHOWN IN PARAGRAPH
1.A., EFFECTIVITY. IF AN AIRPLANE HAS BEEN LEASED OR SOLD, SEND THIS SERVICE BULLETIN TO THE NEW OPERATOR. IF APPLICABLE SPARES HAVE BEEN SOLD, SEND THIS SERVICE BULLETIN TO THE NEW OWNER.
CONCURRENT REQUIREMENTS None.
BACKGROUND The changes provided in this service bulletin will help prevent damage to the low pressure oxygen hoses that may be subjected to electrical current. An electrical current condition in the low pressure oxygen hose can cause the low pressure oxygen hose to melt or burn. This could result in smoke and/or fire in the flight compartment.
An operator reported that a fire originated near the first officer's area which caused extensive damage to the flight deck. One scenario of the causes being considered is that an electrical fault or short circuit resulted in electrical heating of the low pressure oxygen hoses in the flight crew oxygen system.
This service bulletin will replace low pressure oxygen hoses with non-conductive low pressure oxygen hoses located on the flight deck. The replacement of the low pressure oxygen hoses will prevent electrical current from passing through the low pressure oxygen hose internal anti-collapse spring which can cause the low pressure oxygen hose to melt or burn.
Boeing Service Related Problem (SRP) 777-SRP-35-0047 is related to this service bulletin.
Boeing Fleet Team Digest (FTD) 777 FTD 35-11003 is related to this service bulletin.
This table is provided to operators for planning purposes only. Refer to the applicable sections for more information.
ReferenceAffectedPlanning Data Paragraph 1.A.2., Spares AffectedYesSpares Affected Paragraph 1.E., ComplianceYesAD Related Paragraph 1.H., Weight and Balance ChangesYesWeight and Balance Change Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: December 15, 2011 777-35A0027Revision 1: April 19, 2012 7 of 48
ReferenceAffectedPlanning Data Paragraph 1.I., Electrical Load DataNoElectrical Load Changed Paragraph 1.K., Publications AffectedYesPublications Affected Paragraph 1.K., Publications AffectedNoAirplane Flight Operations Affected (Flight Crew Operations Manual and/or FAA Approved Airplane Flight Manual) Paragraph 2.C.1., Kits/PartsYesKits/Parts Required Paragraph 2.C.2., Parts and Materials Supplied by the Operator YesOperator Supplied Material Paragraph 2.F., Special Tooling Necessary to do this Service Bulletin NoSpecial Tooling Required ACTION (PRR 62359) Remove the stowage boxes for the oxygen masks. Remove the First Officer forward console and side console.
Replace the existing low pressure oxygen hoses with the new non-conductive low pressure oxygen hoses.
Perform a leak test.
EFFECTIVITY 777-200, -200LR, -300, -300ER, 777F, Airplanes. Refer to Paragraph 1.A.1., Airplanes, for the list of affected airplanes.
COMPLIANCE The Federal Aviation Administration (FAA) will possibly release an Airworthiness Directive related to this service bulletin. The Airworthiness Directive will make the compliance tasks and times given in this service bulletin mandatory.
Boeing recommends that the change given in this service bulletin be done within 18 months after the original issue date of this service bulletin.
Federal Aviation Administration (FAA) Notice of Proposed Rule Making NPRM 2011-NM-279-AD, is related to this service bulletin.
INDUSTRY SUPPORT INFORMATION Boeing warranty remedies are available for 777 airplanes in-warranty as of September 30, 2011. For man-hour reimbursement for airplanes in-warranty as of that date, send a warranty claim to Boeing Warranty & Product Assurance Contracts. The kit for airplanes in-warranty as of that date will be supplied at no-charge. Please also see BPL 6-1151-777-PGM-198, dated January 6, 2011 for additional participation. Copies of this Program Letter are available from Boeing Warranty & Product Assurance Contracts.
When placing your no-charge purchase order with Material Management please reference this service bulletin number, the airplane variable number(s) and this Program Letter 6-1151-777-PGM-198 in your purchase order.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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MANPOWER Elapsed HoursTotal Task HoursAirplanes
11.2517.75TOTAL FOR
EACH AIR- PLANE
MATERIAL INFORMATION Boeing Supplied Kits/Parts.
Refer to Paragraph 2.A., Material - Price and Availability.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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BOEING SERVICE BULLETIN 777-35A0027
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REMOVE THE FIRST OFFICER
FORWARD CONSOLE AND SIDE CONSOLE TOP. REPLACE THE LOW PRESSURE OXYGEN HOSE.
PERFORM A LEAK TEST.
REMOVE THE STOWAGE BOXES FOR THE OXYGEN MASKS. REPLACE THE LOW PRESSURE OXYGEN HOSES. PERFORM A
LEAK TEST FWD 2121436 Original Issue: December 15, 2011 Revision 1: April 19, 2012 PROPRIETARY - Copyright © Unpublished Export Controlled ECCN: 9E991 - BOEING 777-35A0027 Work - See page 1 for details. 10 of 48
Commercial Airplanes 777 Service Bulletin ALERT Number: 777-35A0027 Original Issue: December 15, 2011 Revision 1: April 19, 2012 ATA System: 3511 SUBJECT: OXYGEN - Crew Oxygen System - Low Pressure Oxygen Hose Replacement
THIS BULLETIN IS SENT TO THE OPERATORS OF RECORD OF THE AIRPLANES SHOWN IN PARAGRAPH
1.A., EFFECTIVITY. IF AN AIRPLANE HAS BEEN LEASED OR SOLD, SEND THIS SERVICE BULLETIN TO THE NEW OPERATOR. IF APPLICABLE SPARES HAVE BEEN SOLD, SEND THIS SERVICE BULLETIN TO THE NEW OWNER.
1. PLANNING INFORMATION A. Effectivity
1. Airplanes Refer to Service Bulletin Index Document D624T001 Part 3 for Airplane Variable Number, LineNumber, and Serial Number data.
This service bulletin is for the airplane(s) shown below. An equivalent change is on subsequent production airplanes. Refer to PRR 62359 for data about this change.
DESCRIPTIONCONFIGURATIONGROUP All 777 airplanes before L/N 976.-1 Airplane Models:
777-200, 777-200LR, 777-300, 777-300ER, 777F GroupVariable Number 1WA001 - WA017 1WA076 - WA080 1WA086 - WA093 1WA101 - WA104 1WA116 - WA119 1WA131 - WA137 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: December 15, 2011 777-35A0027Revision 1: April 19, 2012 11 of 48
GroupVariable Number 1WA171 - WA175 1WA196 - WA198 1WA206 - WA212 1WA221 - WA223 1WA231 - WA232 1WA241 - WA250 1WA261 - WA266 1WA281 - WA283 1WA301 - WA304 1WB001 - WB021 1WB031 - WB046 1WB051 - WB088 1WB101 - WB106 1WB121 - WB125 1WB131 - WB148 1WB151 - WB155 1WB161 - WB177 1WB181 - WB194 1WB201 - WB215 1WB231 - WB247 1WB271 - WB273 1WB276 - WB286 1WB291 - WB302 1WB306 - WB307 1WB311 - WB337 1WB341 - WB342 1WB366 - WB368 1WB371 - WB388 1WB406 1WB411 - WB413 1WB416 - WB439 1WB446 - WB453 1WB476 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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