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Commercial Airplanes 757 Service Bulletin ALERT Number: 757-28A0131 Original Issue: May 04, 2012 ATA System: 2822 SUBJECT: FUEL - Engine Fuel Feed System - Engine Fuel Suction Feed Operational Test 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 © 2012 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Unpublished Work.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: May 04, 2012 757-28A0131 1 of 30
5.0
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 04, 2012 757-28A0131 2 of 30 BOEING SERVICE BULLETIN 757-28A0131
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BLANK PAGE
Table of Contents
Summary5
1. PLANNING INFORMATION7
A. Effectivity7
1. Airplanes7
2. Spares Affected ........................................ 1 1 B. Concurrent Requirements ...................................... 1 1 C. Reason ................................................ 1 1 D. Description .............................................. 1 1 E. Compliance .............................................. 1 2 F. Approval ............................................... 1 3 G. Manpower .............................................. 1 4 H. Weight and Balance Changes .................................... 1 5 I. Electrical Load Data ......................................... 1 5 J. References .............................................. 1 5
1. Existing Data: ......................................... 1 5
2. Data Supplied with this Service Bulletin: ........................... 1 5
3. Installation Drawings Used in the Preparation of this Service Bulletin: ........... 1 5 K. Publications Affected ........................................ 1 5 L. Interchangeability and Intermixability of Parts ........................... 1 5 M. Software Accomplishment Summary ................................ 1 5
2. MATERIAL INFORMATION ........................................ 1 7 A. Material - Price and Availability ................................... 1 7 B. Industry Support Information .................................... 1 7 C. Parts Necessary for Each Airplane ................................. 1 7
1. Kits/Parts ............................................ 1 7
2. Parts and Materials Supplied by the Operator ........................ 1 7
3. Parts Modified and Reidentified ................................ 1 7
4. Parts Removed and Not Replaced .............................. 1 7 D. Parts Necessary to Change Spares ................................. 1 7 E. Special Tooling - Price and Availability ............................... 1 7 F. Special Tooling Necessary to do this Service Bulletin ....................... 1 7
3. ACCOMPLISHMENT INSTRUCTIONS .................................. 1 9 A. GENERAL INFORMATION ..................................... 1 9 B. WORK INSTRUCTIONS ....................................... 1 9 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 04, 2012 757-28A0131 3 of 30 BOEING SERVICE BULLETIN 757-28A0131
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Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 04, 2012 757-28A0131 4 of 30 BOEING SERVICE BULLETIN 757-28A0131
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Commercial Airplanes 757 Service Bulletin ALERT SummaryNumber: 757-28A0131Original Issue: May 04, 2012 ATA System: 2822 SUBJECT: FUEL - Engine Fuel Feed System - Engine Fuel Suction Feed Operational Test
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 This service bulletin provides instructions to operators to perform an Engine Fuel Suction Feed Operational Test on each engine individually. This test is required in order to protect against engine flameout during suction feed operations. The instructions given in this service bulletin are provided to detect and correct failure of the engines fuel suction feed of the fuel system, which could result in dual engine flameout and inability to restart the engines, and consequent forced landing of the airplane.
Accomplishing the fuel system suction feed test and continuing to repeat the testing within the specified compliance times will reduce the possibility of an engine flameout resulting from air ingestion into the engine fuel feed system during low fuel level conditions with inoperative boost pumps .
An Operator reported a 737-400 Engine No. 1 flameout during cruise. The Engine No. 2 continued to operate normally. The flight crew conducted two restart attempts within the start envelope with no success then diverted uneventfully. Another Operator reported a 737-300 Engine No. 2 flameout during taxi to the gate when the start lever was placed in the idle position. Maintenance performed a vacuum test of the fuel feed system and found a crack in the fuel feed tube. The fuel feed tube was replaced, and a vacuum test of the fuel feed system was performed and passed successfully.
This table is provided to operators for planning purposes only. Refer to the applicable sections for more information.
ReferenceAffectedPlanning Data Paragraph 1.E., ComplianceYesAD Related Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 04, 2012 757-28A0131 5 of 30
ACTION ENGINE NO. 1, FUEL SUCTION FEED - OPERATIONAL TEST
1. Do the Engine No. 1 Fuel Suction Feed - Operational Test.
2. If the Fuel Suction Feed Operational Test fails, isolate the cause, repair, and repeat the Engine No. 1 Fuel Suction Feed - Operational Test.
ENGINE NO. 2, FUEL SUCTION FEED - OPERATIONAL TEST
1. Do the Engine No. 2 Fuel Suction Feed - Operational Test.
2. If the Fuel Suction Feed Operational Test fails, isolate the cause, repair, and repeat the Engine No. 2 Fuel Suction Feed - Operational Test.
EFFECTIVITY 757-200/-200CB/-200PF/-300 Airplane(s). Refer to Paragraph 1.A.1., Airplanes, for the list of affected airplane(s).
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.
Federal Aviation Administration (FAA) Notice of Proposed Rule Making NPRM 2007-NM-352-AD, is related to this service bulletin.
Refer to Paragraph 1.E., Compliance.
INDUSTRY SUPPORT INFORMATION Boeing warranty remedies are not available for the Operational Test given in this service bulletin.
MANPOWER Refer to Paragraph 1.G., Manpower.
MATERIAL INFORMATION None.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 04, 2012 757-28A0131 6 of 30 BOEING SERVICE BULLETIN 757-28A0131
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Commercial Airplanes 757 Service Bulletin ALERT Number: 757-28A0131 Original Issue: May 04, 2012 ATA System: 2822 SUBJECT: FUEL - Engine Fuel Feed System - Engine Fuel Suction Feed Operational Test
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 This service bulletin is for the airplane(s) shown below.
Refer to Service Bulletin Index D624N001 Part 3 for Airplane Variable Number, Line Number, and Serial Number data.
This service bulletin is for the airplane(s) shown below.
DESCRIPTIONCONFIGURATIONGROUP 757-200/-200CB/-200PF/-300 airplanes-1 Airplane Models:
757-200, 757-200CB, 757-200PF, 757-300 GroupVariable Number 1NA001 - NA028 1NA191 - NA199 1NA201 - NA239 1NA301 - NA305 1NA341 - NA352 1NA391 - NA399 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 04, 2012 757-28A0131 7 of 30
GroupVariable Number 1NA401 - NA408 1NA441 - NA447 1NA501 - NA586 1NB001 - NB004 1NB021 - NB023 1NB036 - NB041 1NB051 - NB053 1NB061 - NB073 1NB079 1NB131 - NB148 1NB161 - NB162 1NB166 - NB168 1NB201 - NB204 1NB221 - NB228 1NB230 1NB236 1NB239 1NB261 - NB267 1NB291 - NB299 1NB301 - NB302 1NB311 - NB312 1NB321 - NB331 1NB421 - NB438 1NB446 1NB451 - NB454 1NB501 - NB523 1NB561 1NB571 1NB581 - NB583 1NC001 - NC033 1NC041 - NC042 1NC051 - NC052 1NC056 - NC062 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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GroupVariable Number 1NC066 - NC084 1NC091 - NC094 1NC151 1NC161 1NC901 - NC951 1NC971 - NC974 1ND001 - ND007 1ND011 - ND059 1ND111 - ND113 1ND161 - ND199 1ND201 - ND203 1ND221 - ND225 1ND241 - ND248 1ND301 - ND322 1ND401 1ND891 1ND895 1NE001 - NE008 1NE011 - NE088 1NE091 - NE094 1NE141 - NE150 1NE161 - NE177 1NE201 - NE204 1NE301 - NE302 1NE311 - NE325 1NJ001 - NJ004 1NJ031 - NJ032 1NJ551 - NJ555 1NL001 - NL002 1NL006 - NL017 1NL101 - NL109 1NL141 1NL601 - NL616 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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GroupVariable Number 1NN001 - NN002 1NN051 - NN052 1NP901 - NP904 1NS601 - NS616 1NT001 - NT009 1NT201 - NT202 1NT231 - NT234 1NT237 - NT240 1NT242 1NT245 - NT248 1NT281 - NT289 1NT341 - NT347 1NT351 - NT360 1NT371 - NT373 1NT375 - NT379 1NT381 - NT386 1NT401 - NT409 1NT411 - NT412 1NT426 - NT427 1NT431 - NT432 1NT436 - NT438 1NT441 - NT442 1NT446 1NT701 - NT769 1NT791 - NT796 1NT861 - NT862 1NT881 - NT885 1NT901 - NT916 1NT971 - NT985 1NU031 - NU038 1NU701 - NU705 1NU721 - NU728 1NU731 - NU732 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 04, 2012 757-28A0131 10 of 30 BOEING SERVICE BULLETIN 757-28A0131
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2. Spares Affected None.
B. Concurrent Requirements None.
C. Reason This service bulletin provides instructions to operators to perform an Engine Fuel Suction Feed Operational Test on each engine individually. This test is required in order to protect against engine flameout during suction feed operations. The instructions given in this service bulletin are provided to detect and correct failure of the engines fuel suction feed of the fuel system, which could result in dual engine flameout and inability to restart the engines, and consequent forced landing of the airplane.
Accomplishing the fuel system suction feed test and continuing to repeat the testing within the specified compliance times will reduce the possibility of an engine flameout resulting from air ingestion into the engine fuel feed system during low fuel level conditions with inoperative boost pumps .
An Operator reported a 737-400 Engine No. 1 flameout during cruise. The Engine No. 2 continued to operate normally. The flight crew conducted two restart attempts within the start envelope with no success then diverted uneventfully. Another Operator reported a 737-300 Engine No. 2 flameout during taxi to the gate when the start lever was placed in the idle position. Maintenance performed a vacuum test of the fuel feed system and found a crack in the fuel feed tube. The fuel feed tube was replaced, and a vacuum test of the fuel feed system was performed and passed successfully.
This table is provided to operators for planning purposes only. Refer to the applicable sections for more information.
D. Description ENGINE NO. 1, FUEL SUCTION FEED - OPERATIONAL TEST
1. Do the Engine No. 1 Fuel Suction Feed - Operational Test.
2. If the Fuel Suction Feed Operational Test fails, isolate the cause, repair, and repeat the Engine No. 1 Fuel Suction Feed - Operational Test.
ENGINE NO. 2, FUEL SUCTION FEED - OPERATIONAL TEST
1. Do the Engine No. 2 Fuel Suction Feed - Operational Test.
2. If the Fuel Suction Feed Operational Test fails, isolate the cause, repair, and repeat the Engine No. 2 Fuel Suction Feed - Operational Test.
The work in this service bulletin is done in the maintenance zone(s) given below.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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Affected Maintenance Zones ZoneModel 211, 212757-200, 757-200CB, 757- 200PF, 757-300 E. 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.
Federal Aviation Administration (FAA) Notice of Proposed Rule Making NPRM 2007-NM-352-AD, is related to this service bulletin.
Table 1: ENGINE NO. 1 FUEL SUCTION FEED - OPERATIONAL TEST Repeat Interval (Whichever Occurs First) Compliance Time (Whichever Occurs First) ActionCondition 7,500 Flight Hours or 36 Months Within 7,500 Flight Hours or 36 Months after the original issue date of this service bulletin Do the Engine No. 1 Fuel Suction Feed - Operational Test in accordance with Accomplishment Instructions, paragraph
3.B., CONFIGURATION 1, WORKPACKAGE 1 or Accomplishment Instructions, paragraph 3.B., CONFIGURATION 2, WORKPACKAGE 3.
All Airplanes -Before Further Flight Isolate the cause, repair, and repeat the Engine Fuel Suction Feed Operation Test in accordance with Accomplishment Instructions, paragraph
3.B., CONFIGURATION 1, WORKPACKAGE 1 or Accomplishment Instructions, paragraph 3.B., CONFIGURATION 2, WORKPACKAGE 3.
If the Engine No. 1 Fuel Suction Feed Operation Test fails Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 04, 2012 757-28A0131 12 of 30 BOEING SERVICE BULLETIN 757-28A0131