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Commercial Airplanes 747 Service Bulletin Number: 747-28A2288 Original Issue: March 22, 2008 Revision 1: January 21, 2010 ATA System: 2842 SUBJECT: FUEL - Fuel Pressure Indicating Systems - Installation of Indicator Lights in the P10 Panel and Replacement of Switches in the M154 Fuel Control Module in the P4 panel

BOEING PROPRIETARY, CONFIDENTIAL, AND/OR TRADE SECRET Copyright © 2008 The Boeing Company Unpublished Work - All Rights Reserved Boeing claims copyright in each page of this document only to the extent that the page contains copyrightable subject matter.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.

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BLANK PAGE Original Issue: March 22, 2008 Revision 1: January 21, 2010 747-28A2288 BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. 2 of 267 BOEING SERVICE BULLETIN 747-28A2288

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Table of Contents Original Issue: March 22, 2008 Revision 1: January 21, 2010 747-28A2288 BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. 3 of 267 BOEING SERVICE BULLETIN 747-28A2288

Table of Contents Revision Transmittal Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

1. PLANNING INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 A. Effectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

1. Airplanes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2. Spares Affected . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 B. Concurrent Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 C. Reason . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 D. Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 E. Compliance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 F. Approval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 G. Manpower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 H. Weight and Balance Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 I. Electrical Load Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 J. References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

1. Existing Data: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

2. Data supplied with this Service Bulletin: . . . . . . . . . . . . . . . . . . . . . . . . . 35

3. Installation Drawings Used in the Preparation of this Service Bulletin: . . . . . . . . . . 36 K. Publications Affected . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 L. Interchangeability and Intermixability of Parts . . . . . . . . . . . . . . . . . . . . . . . . . 36

2. MATERIAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 A. Material - Price and Availability. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 B. Industry Support Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 C. Parts Necessary For Each Airplane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

1. Kits/Parts: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

2. Parts and Materials Supplied by the Operator: . . . . . . . . . . . . . . . . . . . . . . 51

3. Parts Modified and Reidentified: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

4. Parts Removed and Not Replaced: . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 D. Parts Necessary to Change Spares . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 E. Special Tooling - Price and Availability. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 F. Special Tooling Necessary to do this Service Bulletin . . . . . . . . . . . . . . . . . . . . . 62

3. ACCOMPLISHMENT INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 A. GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 B. WORK INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 FIGURE 1: Wire Changes to the M154 Fuel Control Module with Single Pole Switches . . . . . . . . 71 FIGURE 2: Wire Changes to the M154 Fuel Control Module with Push button Switches . . . . . . . . 73 FIGURE 3: Wire Changes to the M154 Fuel Control Module with Push button Switches . . . . . . . . 75 FIGURE 4: Installation of the L and R Low Pressure Indicator Lights in P10 panel . . . . . . . . . . . 77 FIGURE 5: Wire Changes to Wire Bundle W186 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 FIGURE 6: Wire Changes to Wire Bundle W186 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 FIGURE 7: Wire Changes to Wire Bundle W186 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 FIGURE 8: Wire Changes to Wire Bundle W186 and W2038 . . . . . . . . . . . . . . . . . . . . . . 82 FIGURE 9: Wire Changes to Wire Bundle W186 and W2038, W460, W1378. . . . . . . . . . . . . . 83 FIGURE 10: Wire Changes to Wire Bundle W186 and W2038 . . . . . . . . . . . . . . . . . . . . . 84 FIGURE 11: Wire Changes to Wire Bundle W186, W1378 . . . . . . . . . . . . . . . . . . . . . . . 85

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Table of Contents Original Issue: March 22, 2008 Revision 1: January 21, 2010 747-28A2288 BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. 4 of 267 BOEING SERVICE BULLETIN 747-28A2288

FIGURE 12: Wire Changes to Wire Bundle W272, W059 . . . . . . . . . . . . . . . . . . . . . . . . 86 FIGURE 13: Wire Changes to Wire Bundle W186, W272, W059, W2038 . . . . . . . . . . . . . . . . 88 FIGURE 14: Wire Changes to Wire Bundle W186, W272, W059, W2038 . . . . . . . . . . . . . . . . 90 FIGURE 15: Wire Changes to Wire Bundle W186, W272, W059, W2038 . . . . . . . . . . . . . . . . 92 FIGURE 16: Wire Changes to Wire Bundle W186, W272, W059, W2038 . . . . . . . . . . . . . . . . 94 FIGURE 17: Wire Changes to Wire Bundle W272, W059, W2038 . . . . . . . . . . . . . . . . . . . . 96 FIGURE 18: Wire Changes to Wire Bundle W272, W059, W2038 . . . . . . . . . . . . . . . . . . . . 98 FIGURE 19: Wire Changes to Wire Bundle W186, W272, W059, W2038. . . . . . . . . . . . . . . 100 FIGURE 20: Wire Changes to Wire Bundle W186, W272, W059, W188, W2038 . . . . . . . . . . . 102 FIGURE 21: Wire Changes to Wire Bundle W272, W059 . . . . . . . . . . . . . . . . . . . . . . . 104 FIGURE 22: Wire Changes to Wire Bundle W272, W059 . . . . . . . . . . . . . . . . . . . . . . . 106 FIGURE 23: Wire Changes to Wire Bundle W186, W272, W059, W2038 . . . . . . . . . . . . . . . 108 FIGURE 24: Wire Changes to Wire Bundle W272, W059, W2038 . . . . . . . . . . . . . . . . . . . 110 FIGURE 25: Wire Changes to Wire Bundle W186, W272, W059, W2038 . . . . . . . . . . . . . . . 112 FIGURE 26: Wire Changes to Wire Bundle W186, W272, W059, W2038 . . . . . . . . . . . . . . . 114 FIGURE 27: Wire Changes to Wire Bundle W186, W272, W059, W2038 . . . . . . . . . . . . . . . 116 FIGURE 28: Wire Changes to Wire Bundle W186, W272, W059, W2038 . . . . . . . . . . . . . . . 118 FIGURE 29: Wire Changes to Wire Bundle W272, W059, W2038 . . . . . . . . . . . . . . . . . . . 120 FIGURE 30: Wire Changes to Wire Bundle W186, W272, W059, W2038 . . . . . . . . . . . . . . . 122 FIGURE 31: Wire Changes to Wire Bundle W272, W059 . . . . . . . . . . . . . . . . . . . . . . . 124 FIGURE 32: Wire Changes to Wire Bundle W272, W059 . . . . . . . . . . . . . . . . . . . . . . . 126 FIGURE 33: Airplane Wire Installation From P4 to P10 Panel . . . . . . . . . . . . . . . . . . . . . 128 FIGURE 34: Airplane Wire Installation From P4 to P10 Panel . . . . . . . . . . . . . . . . . . . . . 136 FIGURE 35: Airplane Wire Installation From P4 to P10 Panel . . . . . . . . . . . . . . . . . . . . . 144 FIGURE 36: Airplane Wire Installation From P4 to P10 Panel . . . . . . . . . . . . . . . . . . . . . 153 FIGURE 37: Airplane Wire Installation From P4 to P10 Panel . . . . . . . . . . . . . . . . . . . . . 161 FIGURE 38: Airplane Wire Installation From P4 to P10 Panel . . . . . . . . . . . . . . . . . . . . . 169 FIGURE 39: Airplane Wire Installation From P4 to P10 Panel . . . . . . . . . . . . . . . . . . . . . 178 FIGURE 40: Airplane Wire Installation From P4 to P10 Panel . . . . . . . . . . . . . . . . . . . . . 186 FIGURE 41: Airplane Wire Installation From P4 to P10 Panel . . . . . . . . . . . . . . . . . . . . . 195 FIGURE 42: Airplane Wire Installation From P4 to P10 Panel . . . . . . . . . . . . . . . . . . . . . 204 FIGURE 43: Airplane Wire Installation From P4 to P10 Panel . . . . . . . . . . . . . . . . . . . . . 212 FIGURE 44: Airplane Wire Installation From P4 to P10 Panel . . . . . . . . . . . . . . . . . . . . . 221 FIGURE 45: Airplane Wire Installation From P4 to P10 Panel . . . . . . . . . . . . . . . . . . . . . 229 FIGURE 46: Airplane Wire Installation From P4 to P10 Panel . . . . . . . . . . . . . . . . . . . . . 239 FIGURE 47: Airplane Wire Installation From P4 to P10 Panel . . . . . . . . . . . . . . . . . . . . . 247 FIGURE 48: Airplane Wire Installation From P4 to P10 Panel . . . . . . . . . . . . . . . . . . . . . 256 FIGURE 49: Installation of the L and R Low Pressure Indicator Lights. . . . . . . . . . . . . . . . . 264

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Commercial Airplanes 747 Service Bulletin Number: 747-28A2288 Revision Transmittal Sheet Original Issue: March 22, 2008 Revision 1: January 21, 2010 ATA System: 2842 SUBJECT: FUEL - Fuel Pressure Indicating Systems - Installation of Indicator Lights in the P10 Panel and Replacement of Switches in the M154 Fuel Control Module in the P4 panel This Revision includes all pages of the service bulletin.

COMPLIANCE INFORMATION RELATED TO THIS REVISION Federal Aviation Administration (FAA) Notice of Proposed Rule Making 2008-NM-108-AD, is related to the original issue of this service bulletin.

No more work is necessary on airplanes changed as shown in the original issue of this service bulletin.

REASON FOR REVISION This revision is sent to provide installation instructions of the LOW PRESS indicator lights for the airplanes that do not have the Warning Light panel. Wire W186-501-20 is added to wirekit 61B20560-101W.

These sections were changed:

1. In Summary, Compliance, added Notice of Proposed Rule Making (NPRM) information.

2. In Summary, Manpower, added new airplane groups.

3. In Paragraph 1.E., Compliance, added NPRM information.

4. In Paragraph 1.G.1, Airplane Level, changed task "Figure 4" to "Figure 4, or 49" and added new airplane groups.

5. In Paragraph 1.H., Weight and Balance Changes, added new airplane groups.

6. In Paragraph 1.J.1., Existing Data, added NPRM information.

7. In Paragraph 2.A., Material - Price and Availability, added tables for Kit Number 015U1810-108, 015U1810-109, 015U1810-110, 015U1810-111, 015U1810-112 and new airplane groups.

8. In Paragraph 2.C.1., Kits/Parts, added tables for Top Kit 015U1810-108, 015U1810-109, 015U1810-110, 015U1810-111, 015U1810-112 and new airplane groups.

9. In Paragraph 2.C.2., Parts and Materials supplied by the Operator, added new airplane groups.

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10. In Paragraph 2.C.3., Parts Modified and Reidentified, A. Added new airplane groups.

B. Added 226-13754-1 to the Existing Part Number column, 226-13754-1001 to the New Part Number column and 1 to the QTY column.

C. Footnotes (a) and (b), changed "functional test" to "continuity test".

11. In Paragraph 3.B., Work Instructions, added new airplane groups in steps and figures as applicable.

12. In Paragraph 3.B., Work Instructions, step 3, A. Changed applicability in step 3.a.

B. Added step 3.b. to install the indicator lights as given in Figure 49.

13. In Paragraph 3.B., Work Instructions, A. Step 18, changed Figure 26 to Figure 27.

B. Steps 19, 20, 21 and 22, changed Figure 27 to Figure 26.

C. Moved Group 31 from step 21 to step 22.

D. Moved Group 11, 72 from previous step 23 to step 20 and removed previous step 23.

E. Changed previous steps 24, 25 and 26 to steps 23, 24 and 25.

F. Moved Group 44 from previous step 27 to step 26 and removed previous step 27.

G. Changed previous steps 28-47 to steps 26-45.

14. In Paragraph 3.B., Work Instructions, step 44, A. Added "Immediately" word to the instruction in steps 44.a.2 and 44.b.3.

B. Added step 44.a.7 to make sure the left and right jettison nozzle valve switches are OFF and added warning note before step 44.a.8.

C. Added "on the P4 panel" phase to the instruction in steps 44.b.2 and 44.b.6.

D. Changed step 44.b.5 from "...P10 panel goes off" to "...P10 panel flashes momentarily and then stays off as the pump comes up to speed".

15. In Paragraph 3.B., Work Instructions, A. Work Package 2, step 3, changed "functional test" to "continuity test".

B. Work Package 3, step 4, changed "functional test" to "continuity test".

16. In FIGURE 1, 2 and 3, changed "015U1810-101W" to "015U1810-100W" in flag note table.

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17. In FIGURE 4, view A, extended cutout all the way to the right.

18. In FIGURE 4, step 2, changed QTY "2" to "1".

19. In FIGURE 5, 6, 7, 8, 9, 10 and 11, added extra parts table.

20. In FIGURE 13, changed POS 7 to POS 1.

21. In FIGURE 14, changed D5405J to D1394J.

22. In FIGURE 22, 28, 31 and 32, changed flag note 7 from 2 locations to 1 location.

23. In FIGURE 23, A. Changed flag notes 10 and 11 from 1 location to 2 locations.

B. Changed flag note 12 from 1 location to 4 locations.

24. In FIGURE 24, 25, 26, 27, 29 and 30, changed flag note 8 from 2 locations to 1 location.

25. In FIGURE 33 though 48, added SWPM 20-10-19 in More Data column.

26. Added FIGURE 49. Installation of the L and R Low Pressure Indicator Lights.

The data given in Information Notice 747-28A2288 IN01 is included in this revision.

Paragraph 1.A., Effectivity, shows changes of airplane groups. 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 locations of important changes.

Pages with no vertical lines have no important changes.

REVISION HISTORY Original Issue: March 20, 2008 Revision 1: January 21, 2010

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Commercial Airplanes 747 Service Bulletin Number: 747-28A2288 Summary Original Issue: March 22, 2008 Revision 1: January 21, 2010 ATA System: 2842 SUBJECT: FUEL - Fuel Pressure Indicating Systems - Installation of Indicator Lights in the P10 Panel and Replacement of Switches in the M154 Fuel Control Module in the P4 panel

CONCURRENT REQUIREMENTS Refer to Paragraph 1.B., Concurrent Requirements.

BACKGROUND This service bulletin adds two new indicator lights in the flight deck to inform the captain and the first officer of a low fuel pressure condition of the left and right override/jettison pumps in the center wing tank and also modify the switches on P4 panel to turn these two new lights and the pumps off. This service bulletin is the result of the safety assessments conducted by Boeing Special Federal Aviation Regulation (SFAR) 88. The safety assessments show that center tank override jettison pumps that are uncommanded on could possibly cause an unwanted ignition source for the fuel vapors in the fuel tank. Ignition of flammable fuel vapors could cause a fire or explosion in an airplane.

Currently there are lights on the P4 panel to provide pressure indicating for the left and right center wing override/jettison pump. These lights illuminate when the flight engineer turns off the pump before the fuel quantity falls to a preset level. They are illuminated to inform the flight engineer a low pressure or no fuel flow condition. The pump uncommanded-on is an event that indicates a potential of the pump running dry that requires the flight engineer to manually pull the pump circuit breaker to shut the pump off by cutting the power supply to them. To limit the potential of the pump running dry for an extended period of time, two indicator lights are added to the P10 panel to inform the captain and/or first officer a low fuel pressure condition.

This service bulletin provides instructions to add two indicator lights on the P10 panel to inform the captain and the first officer the low pressure condition of the left and right override/jettison pumps in the center wing tank.

This service bulletin also gives instructions to modify the left and right override/jettison (L or R OVRD/JETT) switches on the M154 fuel control module on the P4 to shut the pumps and the two new indicator lights off.

This service bulletin provides instructions to replace the switches and do wiring changes to the M154 fuel control module on the P4 panel, add the left and right low pressure (L or R LOW PRESS) indicator lights on the P10 panel, and do the airplane wiring changes.

This change affects the Airworthiness Limitations (AWL) data 28-AWL-22 in the Airworthiness Limitations and Certification Maintenance Requirements document to verify the functionality of the indicator lights on the P10 panel.

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ACTION (PRR 85539-12R) Install the M154 fuel control module. Install the L and R LOW PRESS indicator lights on the P10 panel. Do the airplane wiring installation from P4 to P10. Do the functional test of the center wing pump Indicating light test.

EFFECTIVITY 747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747 SP, and 747 SR. Refer to Paragraph 1.A.1 for the list of affected airplanes.

COMPLIANCE Federal Aviation Administration (FAA) Notice of Proposed Rule Making 2008-NM-108-AD, is related to this service bulletin.

Boeing recommends the operators incorporate this service bulletin within 36 months after the original issue date of this service bulletin.

INDUSTRY SUPPORT INFORMATION Boeing warranty remedies are not available for the configuration changes as 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 Group 1 through 78 28.75 16.50 Group 1,5,9,11,13,16-19,24,26-27,31- 33,36, 40-43,45,49-50,52,55,58,61- 62,64,66,72,77

2.50 2.50 Group 15,28,35,48,60 2.00 2.00 Group 2-4,6-8,10,12,14,20-23,25,29- 30,34,37-39,42,44,46-47,51,53-54,56- 57,59,63,65,67-71,73-76, 78

(a) (a)

(a) Estimated time to make the change to the M154 fuel control module as given in the BAE supplier service bulletins is not included.

Boeing ASB 747-28A2288: Revision 1

Text

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MANPOWER

INSTALL 2 LIGHTS.

DO WIRE INSTALLATION FROM P10 TO P4.

DO A FUNCTIONAL TEST.

INSTALL M154 FUEL CONTROL MODULE 1323858

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