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Commercial Airplanes 737 Service Bulletin Number: 737-28A1210 Original Issue: August 02, 2010 Revision 1: May 13, 2011 ATA System: 2822 SUBJECT: FUEL- Engine Fuel Feed System - Replacement of the P5-2 Fuel System Module to Supply Low Fuel Pressure Master Caution Annunciation Export of this technology is controlled under the United States Export Administration Regulations (EAR) (15 CFR 730-774). 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BOEING PROPRIETARY, CONFIDENTIAL, AND/OR TRADE SECRET Copyright © 2010 The Boeing Company Unpublished Work - All Rights Reserved Boeing claims copyright in each page of this document only to the extent that the page contains copyrightable subject matter.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, 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 the Boeing livery 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.
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3.0
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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 ........................................ 2 3 B. Concurrent Requirements ...................................... 2 3 C. Reason ................................................ 2 3 D. Description .............................................. 2 4 E. Compliance .............................................. 2 5 F. Approval ............................................... 2 5 G. Manpower .............................................. 2 5 H. Weight and Balance Changes .................................... 2 6 I. Electrical Load Data ......................................... 2 6 J. References .............................................. 2 6
1. Existing Data: ......................................... 2 6
2. Data supplied with this Service Bulletin: ........................... 2 6
3. Installation Drawings Used in the Preparation of this Service Bulletin: ........... 2 6 K. Publications Affected ........................................ 2 6 L. Interchangeability and Intermixability of Parts ........................... 2 7
2. MATERIAL INFORMATION ........................................ 2 9 A. Material - Price and Availability ................................... 2 9 B. Industry Support Information .................................... 2 9 C. Parts Necessary For Each Airplane ................................. 2 9
1. Kits/Parts: ........................................... 2 9
2. Parts and Materials Supplied by the Operator: ........................ 2 9
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 3 FIGURE 1: MASTER CAUTION SYSTEM - P5-2 FUEL SYSTEM MODULE - REPLACEMENT [Group 2] .................................................. 3 5
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Commercial Airplanes 737 Service Bulletin Revision Transmittal SheetNumber: 737-28A1210Original Issue: August 02, 2010 Revision 1: May 13, 2011 ATA System: 2822 SUBJECT: FUEL- Engine Fuel Feed System - Replacement of the P5-2 Fuel System Module to Supply Low Fuel Pressure Master Caution Annunciation 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 puts airplanes from Groups 3 thru 28 together into Group 2, of the service bulletin effectivity, to resolve interchangeability problems. Airplanes line numbers 1 thru 291 stay in Group 1 and are not affected by this revision. Groups in the original issue were based on the P5-2 Fuel System Module dash number, delivered on each airplane. But new P5-2 Fuel System Module dash numbers were created, after the airplanes were delivered, that are interchangeable with older P5-2 Fuel System Modules. As a result, some operators, that installed P5-2 Fuel System Module part numbers interchangeable with the ones delivered on their airplane, may not be able to accomplish the original issue. Reference to Federal Aviation Administration (FAA) Airworthiness Directive AD 2001-08-24 and Boeing Fleet Team Digest (FTD) 737 FTD 28-04003 are also added.
These sections are changed:
1. Summary, Background: Added reference to the Fleet Team Digest (FTD) 737 FTD 28-04003 and Federal Aviation Administration (FAA) Airworthiness Directive AD 2001-08-24 and corrected wording.
2. Summary, Action: Changed applicability from Groups 2 thru 28 to Group 2. Text changed to match step 3 of work instructions.
3. Paragraph 1.A.1., Effectivity: Changed applicability from Groups 2 thru 28 to Group 2. New Groups defined by airplane line number.
4. Paragraph 1.B., Concurrent Requirements: Changed applicability from Groups 2 thru 28 to Group 2.
5. Paragraph 1.C., Reason: Added reference to the Fleet Team Digest (FTD) 737 FTD 28-04003 and Federal Aviation Administration (FAA) Airworthiness Directive AD 2001-08-24 and and corrected wording.
6. Paragraph 1.D., Description: Changed applicability from Groups 2 thru 28 to Group 2. Text changed to match step 3 of work instructions. Maintenance Zone tables changed to match new Groups.
7. Paragraph 1.G., Manpower: Changed applicability from Groups 2 thru 28 to Group 2. Manpower tables changed to match new Groups and Group column removed. Man hours put together in Figure 1.
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8. Paragraph 1.J.1., References: Added Fleet Team Digest (FTD) 737 FTD 28-04003. Corrected Service Bulletin Index to D6-19567. Updated list to latest format and removed references not used in the service bulletin.
9. Paragraph 1.K., Publications Affected: Removed IPC chapter 28-22 and added AMM chapter 28-22 and IPC chapters 11-30, 28-11, 28-41, 28-42, 31-11, and 73-00.
10. Paragraph 1.L., Interchangeability and Intermixability of Parts: Added Reference to Paragraph 2.C., Parts Necessary for Each Airplane.
11. Paragraph 2.C.2., Parts and Materials Supplied by the Operator: Added note for Group 1 airplanes, updated table to remove Groups and changed footnote.
12. Paragraph 2.C.3., Parts Modified and Reidentified: Added note for Group 1 airplanes and table for Group
2.
13. Paragraph 2.D., Parts Necessary to Change Spares: Added note for Group 1 airplanes and Group 2 applicability.
14. Paragraph 3.A., General Notes: Notes updated. Removed notes that are not necessary.
15. Paragraph 3.B., Work Instructions: Changed applicability from Groups 2 thru 28 to Group 2. Instructions changed to combine work for 737/200 and 737-300/400/500. Added note about concurrent service bulletin.
16. Figure 1: Changed applicability from Group 2 thru 13 to Group 2. Changed title to make figure a replacement.
Added applicable work from Figures 2 thru 4. Part number table removed - duplicated in Paragraph 2.C.2., Parts and Materials Supplied by the Operator. Added new footnotes.
17. Figures 2, 3 and 4: Removed. Not needed because of Group changes and changes to Figure 1 above.
The data given in Information Notice 737-28A1210 IN 01 and 737-28A1210 IN 02 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 August 02, 2010Original Issue:
Revision 1:
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Commercial Airplanes 737 Service Bulletin SummaryNumber: 737-28A1210Original Issue: August 02, 2010 Revision 1: May 13, 2011 ATA System: 2822 SUBJECT: FUEL- Engine Fuel Feed System - Replacement of the P5-2 Fuel System Module to Supply Low Fuel Pressure Master Caution Annunciation
CONCURRENT REQUIREMENTS Refer to Paragraph 1.B., Concurrent Requirements.
BACKGROUND This service bulletin is the result of fuel system safety analysis done by Boeing under Special Federal Aviation Regulation (SFAR) 88, Fuel Tank System Fault Tolerance Evaluation Requirements. Results from the fuel system safety analysis show that fuel boost pumps that run dry could cause an overheat condition external to the fuel boost pump explosion resistance area, that is open to the fuel boost pump inlet. An overheat condition in this area could possibly cause an unwanted ignition source for the fuel vapors in the fuel tank and could cause a fire or explosion.
This service bulletin gives instructions to replace the P5-2 Fuel System Module installed in the flight deck with a changed P5-2 Fuel System Module. The changed P5-2 Fuel System Module has new Master Caution logic that gives the necessary indication to the flight crew so that the fuel boost pumps can be turned off and not operate dry.
The new P5-2 Fuel System Module lets the Master Caution light come on when only one center or auxiliary tank fuel boost pump low pressure light is on for 10 seconds. Before this change, the Master Caution light came on when both center tank fuel boost pumps or both auxiliary tank fuel boost pumps had low pressure. All of the equipment and wiring changes to the Master Caution System are internal to the P5-2 Fuel System Module.
Boeing Fleet Team Digest (FTD) 737 FTD 28-04003 is related to this service bulletin.
Federal Aviation Administration (FAA) Airworthiness Directive AD 2001-08-24 is related to this service bulletin, but does not mandate the change.
ACTION (PRR 35440-20R) Group 1:
Operators with Group 1 airplanes should contact Boeing to get engineering and accomplishment instructions for this change and do the instructions.
Group 2:
In the flight compartment, at the P5 overhead panel, remove the P5-2 Fuel System Module. Install a changed, or new P5-2 Fuel System Module. Do a test to make sure that the P5-2 Fuel System Module operates correctly.
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EFFECTIVITY All 737-100/-200/-200C/-300/-400/-500 airplanes. Refer to Service Bulletin Paragraph 1.A.1 for effectivity.
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 36 months after the original issue date of this service bulletin.
Group 1:
Operators with Group 1 airplanes should contact Boeing to get engineering and accomplishment instructions for this change and do the instructions.
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.
MATERIAL INFORMATION Operator Supplied Parts/Materials.
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BOEING SERVICE BULLETIN 737-28A1210
NG VALVE +40- REPLACE P5-2 FUEL
SYSTEM MODULE AND
DO FUEL SYSTEM
FUNCTIONAL TEST
PRESSURE PRESSURE LOW AFT FUD _ AFT FUEL PUMPS A-A P5-2 FUEL SYSTEM MODULE FWD TYPICAL 430262 Original Issue: August 02, 2010 Revision 1: May 13, 2011 737-28A1210
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Commercial Airplanes 737 Service Bulletin Number: 737-28A1210 Original Issue: August 02, 2010 Revision 1: May 13, 2011 ATA System: 2822 SUBJECT: FUEL- Engine Fuel Feed System - Replacement of the P5-2 Fuel System Module to Supply Low Fuel Pressure Master Caution Annunciation
1. PLANNING INFORMATION A. Effectivity
1. Airplanes This service bulletin is for the airplanes shown below. Refer to PRR 35440-20R for data about this change.
Refer to Service Bulletin Index D6-19567, Part 3 for Airplane Variable Number, Line Number, and Serial Number data.
DESCRIPTIONCONFIGURATIONGROUP 737-100/200/200C airplanes, line numbers 1 thru 291.-1 737-200/200C/300/400/500 airplanes, line numbers 292 thru 3132.-2 Airplane Models:
737-100, 737-200, 737-200C, 737-300, 737-400, 737-500 GroupVariable Number 1PA001 - PA022 1PA099 1PA231 - PA232 1PC001 - PC005 1PG001 - PG075 1PG199 1PG201 - PG230 1PG251 - PG255 1PG271 - PG279
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GroupVariable Number 1PG301 - PG314 1PG331 - PG332 1PG351 - PG356 1PG375 1PG401 - PG403 1PG431 - PG442 1PG471 - PG475 1PG501 - PG505 1PG571 - PG583 2PG584 - PG586 1PG621 - PG630 1PG651 - PG652 1PG701 - PG705 2PH001 2PH011 - PH013 2PH021 - PH024 1PH701 - PH715 1PH731 - PH732 1PH741 - PH742 2PH743 1PJ001 - PJ002 2PJ003 - PJ009 1PJ031 - PJ032 1PJ071 - PJ072 1PJ101 - PJ104 2PJ105 - PJ119 2PJ201 - PJ219 2PJ301 - PJ302 2PJ551 - PJ561 2PJ601 - PJ615 2PJ811 2PJ816 - PJ817 2PK026 - PK029
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