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Original Issue: March 15, 2007 Revision 2: August 13, 2009 747-28A2262 BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. 1 of 91
Commercial Airplanes 747 Service Bulletin Number: 747-28A2262 Original Issue: March 15, 2007 Revision 2: August 13, 2009 ATA System: 2817 SUBJECT: FUEL - Horizontal Stabilizer Tank Fuel Transfer System - Automatic Pump Shutoff Change
BOEING PROPRIETARY, CONFIDENTIAL, AND/OR TRADE SECRET Copyright © 2007 The Boeing Company Unpublished Work - All Rights Reserved Boeing claims copyright in each page of this document only to the extent that the page contains copyrightable subject matter.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, 707, 717, 727, 737, 747, 757, 767, 777, BBJ, BOEING BUSINESS JET, DC-8, DC-9, DC-10, MD-10, MD-11, MD-80, MD-90, the Boeing logo and the Boeing livery are among the trademarks owned by Boeing or its subsidiaries. No intellectual property license (express or implied) is granted in connection with this document or otherwise.
BLANK PAGE Original Issue: March 15, 2007 Revision 2: August 13, 2009 747-28A2262 BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. 2 of 91 BOEING SERVICE BULLETIN 747-28A2262
BLANK PAGE
Table of Contents Original Issue: March 15, 2007 Revision 2: August 13, 2009 747-28A2262 BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. 3 of 91 BOEING SERVICE BULLETIN 747-28A2262
Table of Contents Revision Transmittal Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1. PLANNING INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 A. Effectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
1. Airplanes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2. Spares Affected . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 B. Concurrent Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 C. Reason . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 D. Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 E. Compliance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 F. Approval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 G. Manpower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 H. Weight and Balance Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 I. Electrical Load Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 J. References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
1. Existing Data: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
2. Data supplied with this Service Bulletin: . . . . . . . . . . . . . . . . . . . . . . . . . 23
3. Installation Drawings Used in the Preparation of this Service Bulletin: . . . . . . . . . . 24 K. Publications Affected . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 L. Interchangeability and Intermixability of Parts . . . . . . . . . . . . . . . . . . . . . . . . . 25
2. MATERIAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 A. Material - Price and Availability. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 B. Industry Support Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 C. Parts Necessary For Each Airplane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
1. Kits/Parts: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
2. Parts and Materials Supplied by the Operator: . . . . . . . . . . . . . . . . . . . . . . 29
3. Parts Modified and Reidentified: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
4. Parts Removed and Not Replaced: . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 D. Parts Necessary to Change Spares . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 E. Special Tooling - Price and Availability. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 F. Special Tooling Necessary to do this Service Bulletin . . . . . . . . . . . . . . . . . . . . . 30
3. ACCOMPLISHMENT INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 A. GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 B. WORK INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 FIGURE 1: Change the E-8 Aft Equipment Center . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 FIGURE 2: E-8 Wiring Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 FIGURE 3: Relay Installation, E-8 Aft Equipment Center . . . . . . . . . . . . . . . . . . . . . . . . 45 FIGURE 4: Ship’s Wiring Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 FIGURE 5: Ship’s Wiring Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 FIGURE 6: P414 Panel Wiring Changes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 FIGURE 7: P415 Panel Wiring Changes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 FIGURE 8: MAWEA Card File Wiring Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 FIGURE 9: E2-6 Shelf Wiring Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 FIGURE 10: E2-6 Shelf Wire Integration Unit Wiring Changes . . . . . . . . . . . . . . . . . . . . . 59 FIGURE 11: E2-6 Shelf Wiring Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Table of Contents Original Issue: March 15, 2007 Revision 2: August 13, 2009 747-28A2262 BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. 4 of 91 BOEING SERVICE BULLETIN 747-28A2262
FIGURE 12: E2-6 Shelf Wire Integration Unit Wiring Changes. . . . . . . . . . . . . . . . . . . . . . 66 FIGURE 13: E2-6 Shelf Wiring Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 FIGURE 14: E2-6 Shelf Wiring Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 FIGURE 15: E2-6 Shelf Wire Integration Unit Wiring Changes. . . . . . . . . . . . . . . . . . . . . . 75 FIGURE 16: E2-6 Shelf Wire Integration Unit Wiring Changes. . . . . . . . . . . . . . . . . . . . . . 81 FIGURE 17: Relay Bracket Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 FIGURE 18: Relay Installation, E-8 Aft Equipment Center . . . . . . . . . . . . . . . . . . . . . . . . 89 FIGURE 19: P414 Panel Wiring Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
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Commercial Airplanes 747 Service Bulletin Number: 747-28A2262 Revision Transmittal Sheet Original Issue: March 15, 2007 Revision 2: August 13, 2009 ATA System: 2817 SUBJECT: FUEL - Horizontal Stabilizer Tank Fuel Transfer System - Automatic Pump Shutoff Change This Revision includes all pages of the service bulletin.
COMPLIANCE INFORMATION RELATED TO THIS REVISION No more work is necessary on airplanes changed as shown in the original issue or Revision 1 of this service bulletin.
Federal Aviation Administration (FAA) Airworthiness Directive 2007-13-04 is related to this service bulletin.
REASON FOR REVISION This revision is sent to address comments received from operators since the original issue and Revision 1 of the service bulletin.
Airplane RT671 was moved from Group 7 to new Group 8.
Airplane RT703 was moved from Group 1 to new Group 9.
Boeing found the Work Instructions B.4, B.5 and B.7 through B.16 in Revision 1, did not agree with the figure numbers given in the service bulletin. After investigating, Boeing found that during the preparation of Revision 1, the Figure 2 was inadvertently moved to a different part of the service bulletin. This caused the figures to renumber according to their order of placement in the service bulletin. This revision restores the Figure 2 into its correct location in the document. This restores the correct figure number assigned to the Figure. The figure numbers 1 through 16 in Revision 2 agree with the figure numbers in the original issue of service bulletin 747- 28A2262.
The following sections of the service bulletin were changed:
1. Groups 8 and 9 were added to Group and Configuration tables in Section 1, Manpower table, Weight and Balance table and Material Information Section 2 where applicable.
2. Compliance and Approval section, removed reference to Airworthiness Directive 2002-24-51 and Airworthiness Directive 2002-24-52 which are superseded by Airworthiness Directive 2007-13-04.
3. Compliance statements in the Summary and Planning sections were revised with the wording "original issue date".
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4. Material Information Section 2, Parts and Material Supplied by Operator, Added, contact BACC47CP3S as operator supplied for airplanes RT043-RT047 and RT433-RT477 only.
5. Accomplishment Instruction Section 3:
— added Step B.9, for new Groups 8 and 9.
— added Group 8 to Work Instruction Steps B.3-B.4, B.6-B.7, B.9-B.11, B.17-B.18.
— added Group 9 to Work Instruction Steps B.2, B.4-B.5, B.7, B.9-B.13.
6. Revised Figures numbers 2 through 14:
— Figure 2, restored to Figure 3.
— Figure 3, restored to Figure 4.
— Figure 4, restored to Figure 5.
— Figure 5, restored to Figure 6.
— Figure 6, restored to Figure 7.
— Figure 7, restored to Figure 8.
— Figure 8, restored to Figure 9.
— Figure 9, restored to Figure 10.
— Figure 10, restored to Figure 11.
— Figure 11, restored to Figure 12.
— Figure 12, restored to Figure 13.
— Figure 13, restored to Figure 14.
— Figure 14, restored to Figure 2.
7. Figures 2, 4-5, 7-8, 14-15, 17-19 added Group 8 applicability.
8. Figures 1-5, 7-10 and 19 added Group 9 applicability.
9. Figures 2, revised Flag Note 3, contact part number should be BACC47CP3S for connector D40106J.
10. Figures 6 and 7, added information note for ground block if existing ground block is full.
11. Added new Figure 19, to show wire W3846-595-20 connected to GDX2-DC. Added information note for ground block if existing ground block is full.
The data given in Information Notice 767-28-2262 IN 04 is included in this revision. The information Notice IN 03 was corrected in IN 04 Paragraph 1.A., Effectivity, shows changes of airplane operators. Each operator should examine the Effectivity paragraph for changes.
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 Original Issue: March 15, 2007 Revision 1: May 8, 2008 Revision 2: August 13, 2009
Original Issue: March 15, 2007 Revision 2: August 13, 2009 747-28A2262 BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. 7 of 91
Commercial Airplanes 747 Service Bulletin Number: 747-28A2262 Summary Original Issue: March 15, 2007 Revision 2: August 13, 2009 ATA System: 2817 SUBJECT: FUEL - Horizontal Stabilizer Tank Fuel Transfer System - Automatic Pump Shutoff Change
CONCURRENT REQUIREMENTS Boeing service bulletin 747-31-2376 Original Issue for General Electric powered airplanes, 747-31-2377 Original Issue for Pratt and Whitney powered airplanes or 747-31-2378 Original Issue for Rolls Royce powered airplanes, are necessary to be accomplished prior to or concurrent with this service bulletin. The service bulletins will install updated Integrated Display System (IDS) software on the affected airplanes.
BACKGROUND This service bulletin installs an automatic shut off system for the Horizontal Stabilizer Tank (HST) fuel pumps.
Installation of the automatic system will prevent a potential ignition source in the tank by making sure the pumps do not run dry for an extended period of time when the fuel level is below the pump inlet. The dry running of the pumps could result in fire/explosion of the fuel tank.
Currently the flight crew turns off the pumps when a low pressure indication is displayed on Engine Indication and Crew Alerting System (EICAS) and the "PRESS" lights for the pumps are ON. The automatic shut off system installed by this service bulletin will make sure the pumps will not run for more than 14 seconds with continuous low fuel pressure and if the flight crew does not respond to the indication sooner. The flight crew remains in primary control, with this automatic shut off system as a backup, to turn the pumps off after a low pressure indication.
This change affects section 9 of the Maintenance Planning Data (MPD) Document. New Airworthiness Limitations (AWL) "28-AWL-24" will be added to section 9 of the MPD to include a functional check of the horizontal stabilizer fuel boost pump Automatic Shutoff System. This change also affects Section 1 of the FAA Approved Airplane Flight Manual.
This service bulletin is the result of the safety assessments conducted by Boeing under Special Federal Aviation Regulation (SFAR) 88, "Fuel Tank System Fault Tolerance Evaluation Requirements".
As a part of a service bulletin validation program, this change was completed on airplane RT672 by Service Bulletin 747-28A2262 and before the release of Revision 1 of this service bulletin. The change completed on airplane RT672 by Service Bulletin 747-28A2262 is equivalent to Revision 1 of this service bulletin. Airplane RT672 has the configuration of a Group 3 airplane.
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ACTION (PRR 85539-4) Group 1-9: In the E-8 rack, install two new relays and make wiring changes. Install new wiring between the E- 8 rack and the P414 and P415 panels. Make wiring changes in the P414 and P415 panels. Make wiring changes to the E2-6 shelf and E2-6 shelf wire integration unit. Make wiring changes at the Modularized Avionics and Warning Electronics Assembly (MAWEA) card file. Do a functional test. Change your scheduled maintenance program to include periodic functional checks of the Horizontal Stabilizer Fuel Boost Pump Automatic Shutoff System as given in 747-400 Maintenance Planning Data (MPD) document, Section 9, Airworthiness Limitation (AWL) Number 28-AWL-24.
EFFECTIVITY 747-400 airplanes. See Service Bulletin Paragraph 1.A.1 for effectivity.
COMPLIANCE Federal Aviation Administration (FAA) Airworthiness Directive 2007-13-04 is related to this service bulletin.
Boeing recommends operator’s incorporate this change within 36 months after the original issue date of this service bulletin. In addition, operators should change their scheduled maintenance program to include periodic functional checks of the Horizontal Stabilizer Fuel Boost Pump Automatic Shutoff System as given in 747-400 Maintenance Planning Data (MPD) document, Section 9, Airworthiness Limitation (AWL) Number 28-AWL-24.
INDUSTRY SUPPORT INFORMATION Boeing warranty remedies are not available for the configuration changes given in this service bulletin.
MANPOWER
MATERIAL INFORMATION Boeing Supplied Kits/Parts.
Refer to Paragraph 2.A., Material - Price and Availability.
Airplanes Total Task Hours Elapsed Hours Groups 1-9 117 30
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WIRE INTEGRATION UNIT M4260 AT THE E2-6 SHELF AND
MAKE WIRING CHANGES
AT THE MAWEA CARDFILE
MAKE WIRING CHANGES P415 PANEL
CHANGES AT THE
MAKE WIRING P414 PANEL
CHANGES AT THE
MAKE WIRING BUNDLE W4588
ADD NEW WIRE TO
EXISTING WIRE
ADD NEW WIRE TO
EXISTING WIRE BUNDLE W4437
INSTALL TWO NEW RELAYS
AND CHANGE THE WIRING AT THE E-8 AFT
EQUIPMENT CENTER AC1402 AC1401 1000 STA 1480 STA 520 STA 379746
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BLANK PAGE
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Commercial Airplanes 747 Service Bulletin Number: 747-28A2262 Original Issue: March 15, 2007 Revision 2: August 13, 2009 ATA System: 2817 SUBJECT: FUEL - Horizontal Stabilizer Tank Fuel Transfer System - Automatic Pump Shutoff Change
1. PLANNING INFORMATION A. Effectivity
1. Airplanes Refer to Service Bulletin Index Document D6-30300 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 85539-4 for data about this change.
GROUP CONFIGURATION DESCRIPTION 1 - 747-400 Airplanes with Horizontal Stabilizer Fuel Tank Active. Grouping based on wiring configuration differences in E2-6 shelf.
2 - 747-400 Airplanes with Horizontal Stabilizer Fuel Tank Active. Grouping based on wiring configuration differences in E2-6 shelf.
3 - 747-400 Airplanes with Horizontal Stabilizer Fuel Tank Active. Grouping based on wiring configuration differences in E2-6 shelf.
4 - 747-400 Airplanes with Horizontal Stabilizer Fuel Tank Active. Grouping based on wiring configuration differences in E2-6 shelf and have different AP2301 disconnect on E-8 rack.
5 - 747-400 Airplanes with Horizontal Stabilizer Fuel Tank Active. Grouping based on wiring configuration differences in E2-6 shelf and have different AP2301 disconnect on E-8 rack.
6 - 747-400 Airplanes with Horizontal Stabilizer Fuel Tank Active. Grouping based on wiring configuration differences in E2-6 shelf and have different AP2301 disconnect on E-8 rack.
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Airplane models:
747-400
IDENTIFICATION BY CUSTOMER, CUSTOMER CODE, GROUP AND VARIABLE NUMBER
AEROLINEAS ARGENTINAS (ARG) 1 RT704 2 RT701–RT702
AIR ATLANTA ICELANDIC (AID) 1 RT515 6 RT751
AIR CARGO GERMANY (CGU) 1 RT633
AIR CHINA (BEJ) 1R M 3 4 1
AIR CHINA CARGO (CGC) 1 RT101 RT103
AIR FRANCE (AFA) 1 RM401–RM402 RT071–RT073 RT121 4 RT591
AIR NEW ZEALAND (ANZ) 1 RM082 RM191–RM192 RT673 RT932 3 RT672 8 RT671 9 RT703
AIR PACIFIC (APC) 7 RT502 RT504 7 - 747-400 Airplanes with Horizontal Stabilizer Fuel Tank Active. Grouping based on wiring configuration differences in E2-6 shelf and have different AP2301 disconnect on E-8 rack.
8 - 747-400 Airplanes with Horizontal Stabilizer Fuel Tank Active. Grouping based on wiring configuration differences in E2-6 shelf and have different AP2301 disconnect on E-8 rack and uses GDX2-DC for P414 panel.
9 - 747-400 Airplanes with Horizontal Stabilizer Fuel Tank Active. Grouping based on wiring configuration differences in E2-6 shelf and have different AP2301 disconnect on E-8 rack and uses GDX2-DC for P414 panel.