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Commercial Airplanes MD11 Service Bulletin ALERT Number: MD11-28A148 Original Issue: August 29, 2014 Revision 1: March 24, 2017 ATA System: 2825 SUBJECT: FUEL - Shroud Fuel Drain (All) - Pressure Check/Inspect/Repair Fuel Line Shrouds 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 © 2014 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Unpublished Work.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: August 29, 2014 MD11-28A148Revision 1: March 24, 2017 1 of 39
3.0
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: August 29, 2014 MD11-28A148Revision 1: March 24, 2017 2 of 39 BOEING SERVICE BULLETIN MD11-28A148
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Table of Contents
Revision Transmittal Sheet5
Summary7
1. PLANNING INFORMATION11
A. Effectivity11
1. Airplanes11
2. Spares Affected12
B. Concurrent Requirements12
C. Reason12
D. Description13
E. Compliance14
F. Approval16
G. Manpower16
H. Weight and Balance Changes17
I. Electrical Load Data17
J. References17
1. Existing Data:17
2. Data Supplied with this Service Bulletin:17
3. Installation Drawings Used in the Preparation of this Service Bulletin:17
K. Publications Affected18
L. Interchangeability and Intermixability of Parts18
M. Software Accomplishment Summary18
2. MATERIAL INFORMATION19
A. Material - Price and Availability19
B. Industry Support Information19
C. Parts Necessary for Each Airplane19
1. Kits/Parts19
2. Parts and Materials Supplied by the Operator19
3. Parts Modified and Reidentified20
4. Parts Removed and Not Replaced20
D. Parts Necessary to Change Spares20
E. Special Tooling - Price and Availability20
F. Special Tooling Necessary to do this Service Bulletin20
3. ACCOMPLISHMENT INSTRUCTIONS21
A. GENERAL INFORMATION21
B. WORK INSTRUCTIONS23
FIGURE 1: CENTER CARGO COMPARTMENT LEFT TUNNEL - FUEL LINE SHROUDS - INSPECTION
.25
APPENDIX A: CHECK FOR PRESENCE OF FUEL AT THE FUEL SHROUD DRAIN VALVES27
APPENDIX B: PRESSURE TEST OF THE TAIL TANK FUEL SHROUD DRAIN SYSTEM30
APPENDIX C: PRESSURE TEST OF THE ENGINE NUMBER 2 FUEL SHROUD DRAIN SYSTEM . . . 35 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: August 29, 2014 MD11-28A148Revision 1: March 24, 2017 3 of 39 BOEING SERVICE BULLETIN MD11-28A148
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Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: August 29, 2014 MD11-28A148Revision 1: March 24, 2017 4 of 39 BOEING SERVICE BULLETIN MD11-28A148
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Commercial Airplanes MD11 Service Bulletin ALERT Revision Transmittal SheetNumber: MD11-28A148Original Issue: August 29, 2014 Revision 1: March 24, 2017 ATA System: 2825 SUBJECT: FUEL - Shroud Fuel Drain (All) - Pressure Check/Inspect/Repair Fuel Line Shrouds This revision includes all pages of the service bulletin.
COMPLIANCE INFORMATION RELATED TO THIS REVISION Federal Aviation Administration (FAA) Notice of Proposed Rule Making NPRM 2014-NM-219-AD, is related to this service bulletin.
Effects of this Revision on airplanes on which original issue was previously done:
None.
REASON FOR REVISION This revision is sent to standardize and simplify the fuel shroud drain line test procedures for the MD-11 and MD-11F airplanes in this service bulletin effectivity. The appendices in this service bulletin, which are used to do the tests, have now been changed. The service bulletin also adds reference to FAA Notice of Proposed Rule Making NPRM 2014-NM-219-AD and makes some minor format changes throughout the service bulletin.
These sections were changed:
1. In Summary BACKGROUND: Removed the Maintenance Planning Document (MPD) reference for the fuel shroud drain test.
2. In Summary ACTION: Added new notes, changed the option titles, and clarified the test requirements.
3. In Summary COMPLIANCE: Added reference to Notice of Proposed Rule Making NPRM 2014-NM-219-AD.
4. In Paragraph 1.C., Reason, removed the Maintenance Planning Document (MPD) reference for the fuel shroud drain test, and added Revision 1 data.
5. In Paragraph 1.D., Description, added new notes, changed the option titles and maintenance zones, and clarified the test requirements.
6. In Paragraph 1.E., Compliance, added reference to Notice of Proposed Rule Making NPRM 2014-NM-219-AD, changed table titles, format and text within the action column. Renumbered and changed the Conditions, Compliance Time and footnote for the Option 1 table.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: August 29, 2014 MD11-28A148Revision 1: March 24, 2017 5 of 39
7. In Paragraph 1.G., Manpower, changed table format, and task hours. Also changed text within the Task column.
8. In Paragraph 1.J., References, updated.
9. In Paragraph 2.C., Material Information, changed the materials and updated the tables.
10. In Paragraph 3.A., General Information, added a Detailed Inspection note.
11. In Paragraph 3.B., Work Instructions updated to agree with the Compliance tables.
12. FIGURE 1: Added a footnote to the step table, and added text to the illustration.
13. Appendix A: Updated an illustration, and changed and updated procedures. Removed illustrations that are no longer required.
14. Appendix B: Added new data and test procedures.
15. Appendix C: Added new data and test procedures.
Vertical lines are put on the left edge of each page, except in Paragraph 1.A., Effectivity and format changes, to show the location of all content changes.
Pages with no vertical lines have no changes.
REVISION HISTORY August 29, 2014Original Issue:
March 24, 2017Revision 1:
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: August 29, 2014 MD11-28A148Revision 1: March 24, 2017 6 of 39 BOEING SERVICE BULLETIN MD11-28A148
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Commercial Airplanes MD11 Service Bulletin ALERT SummaryNumber: MD11-28A148Original Issue: August 29, 2014 Revision 1: March 24, 2017 ATA System: 2825 SUBJECT: FUEL - Shroud Fuel Drain (All) - Pressure Check/Inspect/Repair Fuel Line Shrouds
THIS DOCUMENT 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 DOCUMENT TO THE NEW OPERATOR. IF APPLICABLE SPARES HAVE BEEN SOLD, SEND THIS DOCUMENT TO THE NEW OWNER.
CONCURRENT REQUIREMENTS None.
BACKGROUND An operator reported fuel odor in the cabin. Fuel was found leaking from a cracked fuel line shroud in the left cargo compartment equipment tunnel. There have been a minimum of 10 fuel shroud leaks in the same area since 2001. The Continued Operational Safety Program has made this an "airplane level safety issue" because of the quantity of fuel found below the cargo compartment floor. Increasing the frequency of the fuel shroud system drain checks and adding a high frequency eddy current inspection of the fuel line shrouds between the existing air pressure leak checks will determine the condition of the fuel shrouds. If a cracked condition of a fuel shroud is not corrected, continued operation of an airplane could result in fuel accumulation below the cargo compartment floor and consequent increased risk of fire.
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 ChangesNoWeight and Balance Change Paragraph 1.I., Electrical Load DataNoElectrical 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/PartsNoKits/Parts Required Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: August 29, 2014 MD11-28A148Revision 1: March 24, 2017 7 of 39
ReferenceAffectedPlanning Data 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 YesSpecial Tooling Required ACTION There are two options to do this service bulletin. Choose an option to best fit maintenance capabilities or schedule.
This service bulletin gives instructions to do as follows:
OPTION 1: FUEL SHROUD DRAIN VALVES CHECK FOR PRESENCE OF FUEL, PRESSURE CHECK
FUEL LINE SHROUDS, AND FUEL LINE SHROUDS HIGH FREQUENCY EDDY CURRENT INSPECTION
1. Do the following:
NOTE: The Option 2 Fuel Shroud Drain System Pressure test can be used as an acceptable alternative test for the Option 1 High Frequency Eddy Current (HFEC) Inspection.
NOTE: If a tail tank transfer or engine number 2 fuel shroud line has been repaired in accordance with MD-11 Structural Repair Manual (SRM) 53-00-01, Repair 3, only Option 2 can be used for checking the fuel shroud line for leaks.
a. Check for presence of fuel at the fuel shroud drain valves and do maintenance/repairs based on condition found.
b. Do a HFEC Inspection of the engine number 2 feed and tail tank transfer fuel line shrouds and do action based on condition found.
c. Pressure Test the Aft Fuselage Tail Tank Fuel Shroud Drain System and do maintenance/repairs based on condition found.
d. Pressure Test the Engine Number 2 Fuel Shroud Drain System and do maintenance/repairs based on condition found.
e. Continue with repetitive tests/inspections described in Paragraph 1.E., Compliance, Table 1.
OPTION 2: FUEL SHROUD DRAIN VALVES CHECK FOR PRESENCE OF FUEL, AND FUEL LINE
SHROUD DRAIN SYSTEM PRESSURE TEST
1. Do the following:
NOTE: The Option 1 HFEC Inspection cannot be used as an alternative test for the Option 2 Fuel Shroud Pressure Test.
a. Check for presence of fuel at the fuel shroud drain valves and do maintenance/repairs based on condition found.
b. Pressure Test the Aft Fuselage Tail Tank Fuel Shroud Drain System and do maintenance/repairs based on condition found.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: August 29, 2014 MD11-28A148Revision 1: March 24, 2017 8 of 39 BOEING SERVICE BULLETIN MD11-28A148
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c. Pressure Test the Engine Number 2 Fuel Shroud Drain System and do maintenance/repairs based on condition found.
d. Continue with repetitive tests/inspections described in Paragraph 1.E., Compliance, Table 2.
EFFECTIVITY MD-11 and MD-11F Airplane(s). Refer to Paragraph 1.A.1., Airplanes, for the list of affected airplane(s).
COMPLIANCE Federal Aviation Administration (FAA) Notice of Proposed Rule Making NPRM 2014-NM-219-AD, is related to this service bulletin.
Refer to Paragraph 1.E., Compliance.
INDUSTRY SUPPORT INFORMATION Boeing warranty remedies are not available for the inspection and/or repair procedures given in this service bulletin.
MANPOWER Refer to Paragraph 1.G., Manpower.
MATERIAL INFORMATION Operator Supplied Parts/Materials.
Refer to Paragraph 2.A., Material - Price and Availability.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: August 29, 2014 MD11-28A148Revision 1: March 24, 2017 9 of 39 BOEING SERVICE BULLETIN MD11-28A148
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BOEING SERVICE BULLETIN MD11-28A148
ALERT ALERT
PRESSURE
CHECK/INSPECT/REPAIR
FUEL LINE SHROUDS 200 ....
2323667 Original Issue: August 29, 2014 Revision 1: March 24, 2017 PROPRIETARY - Copyright © Unpublished Export Controlled ECCN: 9E991 - BOEING MD11-28A148 Work - See page 1 for details. 10 of 39
Commercial Airplanes MD11 Service Bulletin ALERT Number: MD11-28A148 Original Issue: August 29, 2014 Revision 1: March 24, 2017 ATA System: 2825 SUBJECT: FUEL - Shroud Fuel Drain (All) - Pressure Check/Inspect/Repair Fuel Line Shrouds
THIS DOCUMENT 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 DOCUMENT TO THE NEW OPERATOR. IF APPLICABLE SPARES HAVE BEEN SOLD, SEND THIS DOCUMENT TO THE NEW OWNER.
1. PLANNING INFORMATION A. Effectivity
1. Airplanes This service bulletin is for the airplanes shown below.
DESCRIPTIONCONFIGURATIONGROUP MD-11 and MD-11F Airplanes.-1 Airplane Models:
MD-11, MD-11F GroupFuselage Number 1447 - 449 1450 - 459 1460 - 469 1470 - 479 1480 - 489 1490 - 499 1500 - 509 1510 - 519 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: August 29, 2014 MD11-28A148Revision 1: March 24, 2017 11 of 39
GroupFuselage Number 1520 - 529 1530 - 539 1540 - 549 1550 - 559 1560 - 569 1570 - 579 1580 - 589 1590 - 599 1600 - 609 1610 - 619 1620 - 629 1630 - 639 1640 - 646
2. Spares Affected None.
B. Concurrent Requirements None.
C. Reason An operator reported fuel odor in the cabin. Fuel was found leaking from a cracked fuel line shroud in the left cargo compartment equipment tunnel. There have been a minimum of 10 fuel shroud leaks in the same area since 2001. The Continued Operational Safety Program has made this an "airplane level safety issue" because of the quantity of fuel found below the cargo compartment floor. Increasing the frequency of the fuel shroud system drain checks and adding a high frequency eddy current inspection of the fuel line shrouds between the existing air pressure leak checks will determine the condition of the fuel shrouds. If a cracked condition of a fuel shroud is not corrected, continued operation of an airplane could result in fuel accumulation below the cargo compartment floor and consequent increased risk of fire.
Revision 1 is sent to standardize and simplify the fuel shroud drain line test procedures for the MD11 and MD11F airplanes in this service bulletin effectivity. The appendices in this service bulletin, which used to do these tests, have now been changed. The service bulletin also adds reference to FAA Notice of Proposed Rule Making NPRM 2014-NM-219-AD and makes some minor format changes throughout the service bulletin.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: August 29, 2014 MD11-28A148Revision 1: March 24, 2017 12 of 39 BOEING SERVICE BULLETIN MD11-28A148