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Commercial Airplanes 777 Service Bulletin Number: 777-28A0047 Original Issue: April 13, 2007 Revision 6: July 11, 2013 ATA System: 2831 SUBJECT: FUEL - Fuel Jettison System - Center Override/Jettison Fuel Pumps and Main Jettison Fuel Pumps - Change to Give Redundant Control of the Pumps 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 © 2007 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Unpublished Work.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: April 13, 2007 777-28A0047Revision 6: July 11, 2013 1 of 124
3.0
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: April 13, 2007 777-28A0047Revision 6: July 11, 2013 2 of 124 BOEING SERVICE BULLETIN 777-28A0047
BLANK PAGE
Table of Contents
Revision Transmittal Sheet5
Summary7
1. PLANNING INFORMATION ........................................ 1 1 A. Effectivity ............................................... 1 1
1. Airplanes ............................................ 1 1
2. Spares Affected ........................................ 1 3 B. Concurrent Requirements ...................................... 1 3 C. Reason ................................................ 1 4 D. Description .............................................. 1 5 E. Compliance .............................................. 1 6 F. Approval ............................................... 1 6 G. Manpower .............................................. 1 7 H. Weight and Balance Changes .................................... 1 9 I. Electrical Load Data ......................................... 2 0 J. References .............................................. 2 0
1. Existing Data: ......................................... 2 0
2. Data Supplied with this Service Bulletin: ........................... 2 1
3. Installation Drawings Used in the Preparation of this Service Bulletin: ........... 2 1 K. Publications Affected ........................................ 2 1 L. Interchangeability and Intermixability of Parts ........................... 2 2 M. Software Accomplishment Summary ................................ 2 2
2. MATERIAL INFORMATION ........................................ 2 3 A. Material - Price and Availability ................................... 2 3 B. Industry Support Information .................................... 2 4 C. Parts Necessary for Each Airplane ................................. 2 4
1. Kits/Parts: ........................................... 2 4
2. Parts and Materials Supplied by the Operator: ........................ 3 0
3. Parts Modified and Reidentified: ............................... 3 1
4. Parts Removed and Not Replaced: .............................. 3 1 D. Parts Necessary to Change Spares ................................. 3 1 E. Special Tooling - Price and Availability ............................... 3 1 F. Special Tooling Necessary to do this Service Bulletin ....................... 3 1
3. ACCOMPLISHMENT INSTRUCTIONS .................................. 3 3 A. GENERAL INFORMATION ..................................... 3 3 B. WORK INSTRUCTIONS ....................................... 3 4 FIGURE 1: MAIN EQUIPMENT CENTER - INSTALLATION OF THE P301 PANEL [Group 1-2, Configuration 2 ] ................................................ 5 1 FIGURE 2: MAIN EQUIPMENT CENTER - INSTALLATION OF THE P302 PANEL [Group 1-2, Configuration 2 ] ................................................ 5 7 FIGURE 3: LEFT JETTISON FUEL PUMP - WIRING CHANGE [Group 1-2, Configuration 2] ..... 6 3 FIGURE 4: CENTER LEFT OVERRIDE FUEL PUMP - WIRING CHANGE [Group 1-2, Configuration 2] . 68 FIGURE 5: LEFT JETTISON NOZZLE VALVE - WIRING CHANGE [Group 1, Configuration 2] .... 7 1 FIGURE 6: LEFT JETTISON NOZZLE VALVE- WIRING CHANGE [Group 2, Configuration 2] .... 7 3 FIGURE 7: MAIN EQUIPMENT CENTER - AIRPLANE WIRE ROUTING [Group 1-2, Configuration 2] . 75 FIGURE 8: LEFT JETTISON NOZZLE VALVE - WIRING CHANGE [Group 1, Configuration 2] .... 9 9 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: April 13, 2007 777-28A0047Revision 6: July 11, 2013 3 of 124 BOEING SERVICE BULLETIN 777-28A0047
FIGURE 9: LEFT JETTISON NOZZLE VALVE - WIRING CHANGE [Group 2, Configuration 2] . . . 101 FIGURE 10: MAIN EQUIPMENT CENTER - P301 PANEL - INSTALLATION OF RELAY SOCKETS AND RELAYS [Group 1-2, Configuration 2] ............................ 1 0 3 FIGURE 11: MAIN EQUIPMENT CENTER - P301 PANEL - INSTALLATION OF THE PANEL COVER [Group 1-2, Configuration 2] ..................................... 1 0 5 FIGURE 12: RIGHT FUEL JETTISON PUMP - WIRING CHANGE [Group 1-2, Configuration 2] .... 1 0 7 FIGURE 13: RIGHT JETTISON NOZZLE VALVE - WIRING CHANGE [Group 1-2, Configuration 2] . 110 FIGURE 14: CENTER RIGHT OVERRIDE FUEL PUMP - WIRING CHANGE [Group 1-2, Configuration 2] ................................................. 1 1 2 FIGURE 15: DEFUEL VALVE - WIRING CHANGE [Group 1-2, Configuration 2] ............ 1 1 5 FIGURE 16: RIGHT JETTISON NOZZLE VALVE - WIRING CHANGE [Group 1-2, Configuration 2] . 116 FIGURE 17: MAIN EQUIPMENT CENTER - P302 PANEL - INSTALLATION OF RELAY SOCKETS AND RELAYS [Group 1-2, Configuration 2] ............................ 1 1 7 FIGURE 18: MAIN EQUIPMENT CENTER - P302 PANEL - INSTALLATION OF THE PANEL COVER [Group 1-2, Configuration 2] ..................................... 1 1 9 FIGURE 19: MORE WORK - BOND RESISTANCE MEASUREMENT - P301 PANEL [Group 1-2, Configuration 1 ] ................................................ 1 2 1 FIGURE 20: MORE WORK - BOND RESISTANCE MEASUREMENT - P302 PANEL [Group 1-2, Configuration 1 ] ................................................ 1 2 3 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: April 13, 2007 777-28A0047Revision 6: July 11, 2013 4 of 124 BOEING SERVICE BULLETIN 777-28A0047
Commercial Airplanes 777 Service Bulletin Revision Transmittal SheetNumber: 777-28A0047Original Issue: April 13, 2007 Revision 6: July 11, 2013 ATA System: 2831 SUBJECT: FUEL - Fuel Jettison System - Center Override/Jettison Fuel Pumps and Main Jettison Fuel Pumps - Change to Give Redundant Control of the Pumps This revision includes all pages of the service bulletin.
COMPLIANCE INFORMATION RELATED TO THIS REVISION Federal Aviation Administration (FAA) Airworthiness Directive (AD) 2011-09-05 is related to this service bulletin.
No more work is necessary on the airplanes changed in accordance with Revision 3, Revision 4 or Revision 5 of this service bulletin.
REASON FOR REVISION This revision is sent to tell operators that the related GE Aviation Service Bulletin (SB) 5000ELM-28-456 Revision 1 and SB 6000ELM-28-457 Revision 1 were issued to do more work because the contact crimp tool positioner and setting given in SB 5000ELM-28-456 original issue and SB 6000ELM-28-457 original issue were not correct for the size 22D contact. GE Aviation and Boeing have now confirmed that the size 22D contacts assembled in accordance with SB 5000ELM-28-456 original issue and SB 6000ELM-28-457 original issue is acceptable because a test has shown that the crimping procedure is satisfactory. It is also acceptable to do SB 5000ELM-28-456 Revision 1 and SB 6000ELM-28-457 Revision 1 that give the more work to remove the contact and assemble it with a different positioner and setting.
These sections were changed:
1. In Summary, Background, added a Summary Evaluation Table.
2. In Summary Compliance and Paragraph 1.E., Compliance:
a. Added an FAA AD reference.
b. Changed the Boeing compliance data.
3. In Paragraph 1.B., Concurrent Requirements, changed the Boeing SB revision level.
4. In Paragraph 1.C., Reason, added an Alternative Method of Compliance (AMOC) notice.
5. In Paragraph 1.F., Approval, added the AMOC data.
6. In Paragraph 1.J.1., Existing Data, added an FAA AD reference.
7. In Paragraph 1.K., Publications Affected, changed the publications affected data.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: April 13, 2007 777-28A0047Revision 6: July 11, 2013 5 of 124
8. In Figures 1 and 2:
a. Sheet 3, View A-A, changed the illustration.
b. Step table, added a note.
The data given in Alternative Method of Compliance Notice 777-28A0047-AMOC-01 is included in this revision.
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 April 13, 2007Original Issue:
April 03, 2008Revision 1:
October 09, 2008Revision 2:
June 11, 2009Revision 3:
May 20, 2010Revision 4:
September 20, 2010Revision 5:
July 11, 2013Revision 6:
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: April 13, 2007 777-28A0047Revision 6: July 11, 2013 6 of 124 BOEING SERVICE BULLETIN 777-28A0047
Commercial Airplanes 777 Service Bulletin SummaryNumber: 777-28A0047Original Issue: April 13, 2007 Revision 6: July 11, 2013 ATA System: 2831 SUBJECT: FUEL - Fuel Jettison System - Center Override/Jettison Fuel Pumps and Main Jettison Fuel Pumps - Change to Give Redundant Control of the Pumps
CONCURRENT REQUIREMENTS Refer to Paragraph 1.B., Concurrent Requirements.
BACKGROUND Accomplishment of the changes in this service bulletin will help prevent an ignition source in a fuel tank as a result of a center override/jettison fuel pump or a main jettison fuel pump that continues to run after it has been commanded OFF. An ignition source in a fuel tank could result in a fire or an explosion.
A safety assessment conducted by Boeing indicates that there is a small risk of an ignition source in a fuel tank if a center override/jettison fuel pump or a main jettison fuel pump continues to run for an extended time after fuel level goes below the pump inlet. Normally the pump is commanded OFF when a low fuel pressure is indicated. If a single failure in the pump control circuitry occurs, a pump can continue to run after it is commanded OFF. When a pump runs after the fuel level goes below the pump inlet, there is a small risk that the pump can cause an ignition source in the fuel tank from an overheat condition, electrical arcs or frictional sparks.
This service bulletin gives the instructions to install new relays and contactors in the circuitry for the center override/jettison fuel pumps and the main jettison fuel pumps. The new relays and contactors for the center override/jettison fuel pumps allow ELMS to remove power from these pumps when the inputs to ELMS show that the pumps continue to run after the pumps have been commanded OFF. The new relays for the main jettison fuel pumps give redundant control of these pumps with the jettison nozzle valve switches. These changes help make sure that the risk of an ignition source in a fuel tank is kept to a minimum. The changes are identical to the changes to airplanes in production.
This service bulletin is the result of the safety assessments conducted by Boeing under SFAR 88, "Fuel Tank System Fault Tolerance Evaluation Requirements".
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 AffectedNoSpares Affected Paragraph 1.E., Compliance and Paragraph
1.F., Approval YesAD 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.
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ReferenceAffectedPlanning Data Paragraph 1.I., Electrical Load DataYesElectrical 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 Parts/Material Paragraph 2.F., Special Tooling Necessary to do this Service Bulletin NoSpecial Tooling Required ACTION (PRR 61998-7) Group 1-2, Configuration 2:
Get access to the main equipment center. Install the new P301 panel on the left side of the airplane. Install the new P302 panel on the right side of the airplane. Change the airplane wiring. Change the wiring in the P110 and P210 panels in accordance with the GE Aviation service bulletins 5000ELM-28-456 and 6000ELM-28-457.
Change the ELMS software in accordance with the Boeing service bulletin 777-28A0040. Make sure that Boeing service bulletin 777-31-0097 is accomplished. Do a functional test. Close access.
Group 1-2, Configuration 1:
More work is necessary. Get access to the main equipment center. Measure the resistance of the bond between the terminal lugs on the ground stud GD41243 and the P301 panel structure. Measure the resistance of the bond between the terminal lugs on the ground stud GD41236 and the P302 panel structure. Close access.
Group 1-2, Configuration 3:
No more work is necessary.
For airplanes with ELMS-1, the hardware and wiring are installed by a different service bulletin.
EFFECTIVITY 777-200/-300/-300ER Airplanes. Refer to Paragraph 1.A.1., Airplanes, for the list of affected airplanes.
COMPLIANCE Federal Aviation Administration (FAA) Airworthiness Directive (AD) 2011-09-05 is related to this service bulletin.
Boeing recommends that the change given in this service bulletin be done within 36 months after the effective date of AD 2011-09-05.
INDUSTRY SUPPORT INFORMATION Boeing warranty remedies are not available for the configuration changes given in this service bulletin.
MANPOWER Refer to Paragraph 1.G., Manpower.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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BOEING SERVICE BULLETIN 777-28A0047
MATERIAL INFORMATION Boeing Supplied Kits/Parts.
Refer to Paragraph 2.A., Material - Price and Availability.
P200 P302 PANEL INSTALL NEW P210 AE0232 P110
ROUTE NEW WIRING
• P100 TO P200, P210, INSTALL P205, PANELS AND TO P100, P110, ROUTE NEW WIRING WIRING IN CHANGE THE AE0231 CHANGE THE NEW P301 PANEL AE0231 BRACKET P105, PANELS AND AE0232 BRACKET THE P205 PANEL WIRING IN THE P105 PANEL U46894 Original Issue: April 13, 2007 Revision 6: July 11, 2013 Export Controlled ECCN: 9E991 - BOEING 777-28A0047 PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. 9 of 124
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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Commercial Airplanes 777 Service Bulletin Number: 777-28A0047 Original Issue: April 13, 2007 Revision 6: July 11, 2013 ATA System: 2831 SUBJECT: FUEL - Fuel Jettison System - Center Override/Jettison Fuel Pumps and Main Jettison Fuel Pumps - Change to Give Redundant Control of the Pumps
1. PLANNING INFORMATION A. Effectivity
1. Airplanes Refer to Service Bulletin Index D624W001 Part 3 for Airplane Variable Number, Line Number, and Serial Number data.
This service bulletin is for the airplanes shown below. An equivalent change is on subsequent production airplanes. Refer to PRR 61998-7 for data about this change.
DESCRIPTIONCONFIGURATIONGROUP 777-300/300ER airplanes with ELMS-2-1 777-300/300ER airplanes with ELMS-2 that have accomplished the Original Issue, Revision 1 or Revision 2 of this service bulletin 1 777-300/300ER airplanes with ELMS-2 that have not accomplished the Original Issue, Revision 1, Revision 2, Revision 3, Revision 4 or Revision 5 of this service bulletin 2 777-300/300ER airplanes with ELMS-2 that have accomplished Revision 3, Revision 4 or Revision 5 of this service bulletin 3 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: April 13, 2007 777-28A0047Revision 6: July 11, 2013 11 of 124
DESCRIPTIONCONFIGURATIONGROUP 777-200 airplanes with ELMS-2-2 777-200 airplanes with ELMS-2 that have accomplished the Original Issue, Revision 1 or Revision 2 of this service bulletin 1 777-200 airplanes with ELMS-2 that have not accomplished the Original Issue, Revision 1, Revision 2, Revision 3, Revision 4 or Revision 5 of this service bulletin 2 777-200 airplanes with ELMS-2 that have accomplished Revision 3, Revision 4 or Revision 5 of this service bulletin 3 Airplane Models:
777-200, 777-300, 777-300ER GroupVariable Number 2WA282 2WA301 - WA304 2WB140 - WB141 2WB176 - WB177 2WB193 - WB194 2WB215 2WB368 2WB438 1WB508 - WB511 1WB596 - WB597 1WB619 - WB622 2WC115 - WC117 2WC287 - WC290 2WC303 - WC308 2WC363 - WC364 2WC373 - WC374 2WC381 - WC391 2WC441 2WC446 - WC448 2WC456 - WC458 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: April 13, 2007 777-28A0047Revision 6: July 11, 2013 12 of 124 BOEING SERVICE BULLETIN 777-28A0047