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Commercial Airplanes 757 Service Bulletin ALERT Number: 757-53A0100 Original Issue: November 14, 2016 ATA System: 5360 SUBJECT: FUSELAGE - Section 46 - Body Station 1681 Fuselage Frame Inspection 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 © 2016 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Unpublished Work.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.
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Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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Table of Contents
S u m m a r y5
1. PLANNING INFORMATION9
A . E f f e c t i v i t y9
1. Airplanes9
2 . S p a r e s A f f e c t e d ........................................ 1 3 B. Concurrent Requirements ...................................... 1 3 C. Reason ................................................ 1 3 D. Description .............................................. 1 4 E. Compliance .............................................. 1 4 F . A p p r o v a l ............................................... 3 2 G. Manpower .............................................. 3 2 H. Weight and Balance Changes .................................... 3 6 I. Electrical Load Data ......................................... 3 6 J . R e f e r e n c e s .............................................. 3 6
1. Existing Data: ......................................... 3 6
2. Data Supplied with this Service Bulletin: ........................... 3 6
3. Installation Drawings Used in the Preparation of this Service Bulletin: ........... 3 6 K. Publications Affected ........................................ 3 7 L. Interchangeability and Intermixability of Parts ........................... 3 7 M. Software Accomplishment Summary ................................ 3 7
2. MATERIAL INFORMATION ........................................ 3 9 A. Material - Price and Availability ................................... 3 9 B. Industry Support Information .................................... 3 9 C. Parts Necessary for Each Airplane ................................. 3 9 1 . K i t s / P a r t s ............................................ 3 9
2. Parts and Materials Supplied by the Operator ........................ 3 9
3. Parts Modified and Reidentified ................................ 4 0
4. Parts Removed and Not Replaced .............................. 4 0 D. Parts Necessary to Change Spares ................................. 4 0 E. Special Tooling - Price and Availability ............................... 4 0 F. Special Tooling Necessary to do this Service Bulletin ....................... 4 0
3. ACCOMPLISHMENT INSTRUCTIONS .................................. 4 1 A. GENERAL INFORMATION ..................................... 4 1 B. WORK INSTRUCTIONS ....................................... 4 2 FIGURE 1: LEFT SIDE - BODY STATION (STA) 1681 FUSELAGE FRAME ABOVE FLOOR - FORWARD
INNER CHORD HIGH FREQUENCY EDDY CURRENT (HFEC) AND LOW FREQUENCY EDDY CURRENT (LFEC) INSPECTION [Group 1, Configuration 2-3; Group 2] .......... 4 8 FIGURE 2: RIGHT SIDE - BODY STATION (STA) 1681 FUSELAGE FRAME ABOVE FLOOR - FORWARD
INNER CHORD HIGH FREQUENCY EDDY CURRENT (HFEC) AND LOW FREQUENCY EDDY CURRENT (LFEC) INSPECTION [Group 1, Configuration 2-3; Group 2] .......... 5 1 FIGURE 3: LEFT SIDE - BODY STATION (STA) 1681 FUSELAGE FRAME ABOVE FLOOR - AFT INNER AND OUTER CHORD HIGH FREQUENCY EDDY CURRENT (HFEC) INSPECTION [Group 1, Configuration 1] ......................................... 5 4 FIGURE 4: RIGHT SIDE - BODY STATION (STA) 1681 FUSELAGE FRAME ABOVE FLOOR - AFT INNER AND OUTER CHORD HIGH FREQUENCY EDDY CURRENT (HFEC) INSPECTION [Group 1, Configuration 1] ......................................... 5 7 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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FIGURE 5: LEFT SIDE - BODY STATION (STA) 1681 FUSELAGE FRAME ABOVE FLOOR - AFT INNER CHORD HIGH FREQUENCY EDDY CURRENT (HFEC) INSPECTION [Group 1, Configuration 2-3; Group 2] .......................................... 6 0 FIGURE 6: RIGHT SIDE - BODY STATION (STA) 1681 FUSELAGE FRAME ABOVE FLOOR - AFT INNER CHORD HIGH FREQUENCY EDDY CURRENT (HFEC) INSPECTION [Group 1, Configuration 2-3; Group 2] .......................................... 6 3 FIGURE 7: LEFT SIDE - BODY STATION (STA) 1681 FUSELAGE FRAME BELOW FLOOR - FORWARD
AND AFT INNER AND OUTER CHORD HIGH FREQUENCY EDDY CURRENT (HFEC) AND LOW FREQUENCY EDDY CURRENT (LFEC) INSPECTION [Group 1, Configuration 1] . 66 FIGURE 8: RIGHT SIDE - BODY STATION (STA) 1681 FUSELAGE FRAME BELOW FLOOR - FORWARD
AND AFT INNER AND OUTER CHORD HIGH FREQUENCY EDDY CURRENT (HFEC) AND LOW FREQUENCY EDDY CURRENT (LFEC) INSPECTION [Group 1, Configuration 1] . 70 FIGURE 9: LEFT SIDE - BODY STATION (STA) 1681 FUSELAGE FRAME BELOW FLOOR - AFT INNER
CHORD HIGH FREQUENCY EDDY CURRENT (HFEC) AND LOW FREQUENCY EDDY CURRENT (LFEC) INSPECTION [Group 1, Configuration 2-3; Group 2] .......... 7 4 FIGURE 10: RIGHT SIDE - BODY STATION (STA) 1681 FUSELAGE FRAME BELOW FLOOR - AFT INNER
CHORD HIGH FREQUENCY EDDY CURRENT (HFEC) AND LOW FREQUENCY EDDY CURRENT (LFEC) INSPECTION [Group 1, Configuration 2-3; Group 2] .......... 7 8 FIGURE 11: LEFT SIDE - BODY STATION (STA) 1681 FUSELAGE FRAME BELOW FLOOR - FORWARD
AND AFT INNER AND OUTER CHORD HIGH FREQUENCY EDDY CURRENT (HFEC) AND LOW FREQUENCY EDDY CURRENT (LFEC) INSPECTION [Group 1, Configuration 1] . 82 FIGURE 12: RIGHT SIDE - BODY STATION (STA) 1681 FUSELAGE FRAME BELOW FLOOR - FORWARD
AND AFT INNER AND OUTER CHORD HIGH FREQUENCY EDDY CURRENT (HFEC) AND LOW FREQUENCY EDDY CURRENT (LFEC) INSPECTION [Group 1, Configuration 1] . 86 FIGURE 13: LEFT SIDE - BODY STATION (STA) 1681 FUSELAGE FRAME BELOW FLOOR - AFT INNER
CHORD HIGH FREQUENCY EDDY CURRENT (HFEC) AND LOW FREQUENCY EDDY CURRENT (LFEC) INSPECTION [Group 1, Configuration 2-3; Group 2] .......... 9 0 FIGURE 14: RIGHT SIDE - BODY STATION (STA) 1681 FUSELAGE FRAME BELOW FLOOR - AFT INNER
CHORD HIGH FREQUENCY EDDY CURRENT (HFEC) AND LOW FREQUENCY EDDY CURRENT (LFEC) INSPECTION [Group 1, Configuration 2-3; Group 2] .......... 9 4 APPENDIX A: LOGIC DIAGRAM FOR COMPLIANCE TABLE 1: BODY STATION (STA) 1681 FUSELAGE
FRAME HIGH FREQUENCY EDDY CURRENT (HFEC) AND LOW FREQUENCY EDDY CURRENT (LFEC) INSPECTION FOR ANY CRACK [Group 1, Configuration 1] ...... 9 8 APPENDIX B: LOGIC DIAGRAM FOR COMPLIANCE TABLE 2: BODY STATION (STA) 1681 FUSELAGE
FRAME HIGH FREQUENCY EDDY CURRENT (HFEC) AND LOW FREQUENCY EDDY CURRENT (LFEC) INSPECTION FOR ANY CRACK [Group 1, Configuration 2] ..... 1 0 2 APPENDIX C: LOGIC DIAGRAM FOR COMPLIANCE TABLE 3: BODY STATION (STA) 1681 FUSELAGE
FRAME HIGH FREQUENCY EDDY CURRENT (HFEC) AND LOW FREQUENCY EDDY CURRENT (LFEC) INSPECTION FOR ANY CRACK [Group 1, Configuration 3] ..... 1 0 7 APPENDIX D: LOGIC DIAGRAM FOR COMPLIANCE TABLE 4: BODY STATION (STA) 1681 FUSELAGE
FRAME HIGH FREQUENCY EDDY CURRENT (HFEC) AND LOW FREQUENCY EDDY CURRENT (LFEC) INSPECTION FOR ANY CRACK [Group 2, Configuration 1] ..... 1 1 2 APPENDIX E: LOGIC DIAGRAM FOR COMPLIANCE TABLE 5: BODY STATION (STA) 1681 FUSELAGE
FRAME HIGH FREQUENCY EDDY CURRENT (HFEC) AND LOW FREQUENCY EDDY CURRENT (LFEC) INSPECTION FOR ANY CRACK [Group 2, Configuration 2] ..... 1 1 7 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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Commercial Airplanes 757 Service Bulletin ALERT SummaryNumber: 757-53A0100Original Issue: November 14, 2016 ATA System: 5360 SUBJECT: FUSELAGE - Section 46 - Body Station 1681 Fuselage Frame Inspection
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 This service bulletin provides instructions to do High Frequency Eddy Current (HFEC) and Low Frequency Eddy Current (LFEC) inspections for any crack in the fuselage frame at Body Station (STA) 1681, in the area around stringer S-17, on the left and right side of the airplane. If the work given in this service bulletin is not done, undetected cracking in the fuselage frame at STA 1681 could adversely affect the structural integrity of the airplane.
One operator reported a six inch long crack in the fuselage frame web at STA 1681, below the floor line at stringer S-17L, during a routine maintenance visit. Boeing analysis has determined that the crack was caused by fatigue. The crack was not easily detected because it was significantly hidden by adjacent structure.
Accomplishment of the work given in this service bulletin will mitigate the safety issue associated with cracking in the STA 1681 fuselage frame and make sure that any crack is found and repaired before the crack grows to a critical length.
Boeing Fleet Team Digest (FTD) 757 FTD 53-14002 is related to this service bulletin.
Boeing Service Related Problem (SRP) 757-SRP-53-0489 is related to this service bulletin.
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 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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ReferenceAffectedPlanning Data Paragraph 1.I., Electrical Load DataNoElectrical Load Changed Paragraph 1.K., Publications AffectedNoPublications 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 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 NoSpecial Tooling Required ACTION Get access to the Body Station (STA) 1681 fuselage frame, between stringer S-16 and S-18, on the left and right side of the airplane. Inspect for any existing frame repair and for any existing floor beam repair common to the STA 1681 frame inspection area. If any existing frame repair is found common to the STA 1681 fuselage frame inspection area, contact The Boeing Company for repair evaluation and inspection instructions and do the instructions.
In areas with no existing frame repair, do High Frequency Eddy Current (HFEC) and Low Frequency Eddy Current (LFEC) inspections for any crack in the STA 1681 fuselage frame, in the area around stringer S-17. In areas with no existing floor beam repair, do the HFEC and LFEC inspections from the forward and aft side of the frame. In areas with any existing floor beam repair, do the HFEC and LFEC inspections from the aft side of the frame. If any crack is found, contact The Boeing Company for repair instructions and do the repair, and repeat the inspections in areas with no existing frame repair at the times specified in Paragraph 1.E., Compliance.
If no crack is found, repeat the inspections at the times specified in Paragraph 1.E., Compliance.
EFFECTIVITY 757-200, -200CB and -300 Airplanes. Refer to Paragraph 1.A.1., Airplanes, for the list of affected airplanes.
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.
Refer to Paragraph 1.E., Compliance.
INDUSTRY SUPPORT INFORMATION Boeing warranty remedies are not available for the inspections given in this service bulletin.
MANPOWER Refer to Paragraph 1.G., Manpower.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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MATERIAL INFORMATION Operator Supplied Parts/Materials.
DO HIGH FREQUENCY EDDY CURRENT (HFEC) AND LOW FREQUENCY EDDY
CURRENT (LFEC) INSPECTIONS FOR ANY CRACK IN THE STA 1681 FUSELAGE FRAME IN THE AREA AROUND STRINGER S-17.
STA 1681 WL 208 S-17L • S-18L - FWD
LEFT SIDE SHOWN
RIGHT SIDE IS SIMILAR 2538018 Original Issue: November 14, 2016 Export Controlled ECCN: 9E991 - BOEING 757-53A0100 PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. 7 of 120
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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Commercial Airplanes 757 Service Bulletin ALERT Number: 757-53A0100 Original Issue: November 14, 2016 ATA System: 5360 SUBJECT: FUSELAGE - Section 46 - Body Station 1681 Fuselage Frame Inspection
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 applicable to 757-200, -200CB and -300 Airplanes, line numbers 1-1050 in 2 Groups. The Variable Numbers and Group Information for the applicable airplanes is given below.
Refer to Service Bulletin Index D624N001 Part 3 for Airplane Variable Number, Line Number, and Serial Number data.
DESCRIPTIONCONFIGURATIONGROUP 757-200 airplanes, line numbers 1-89.-1 757-200 airplanes that have not accomplished Boeing Service Bulletin (SB) 757-53-0024.
1 757-200 airplanes with less than 31,000 total flight cycles at the original issue date of this service bulletin, that have accomplished SB 757-53-0024.
2 757-200 airplanes with 31,000 total flight cycles or more at the original issue date of this service bulletin, that have accomplished SB 757-53-0024.
3 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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DESCRIPTIONCONFIGURATIONGROUP 757-200, -200CB and -300 airplanes, line numbers 90-1050.-2 757-200, -200CB and -300 airplanes with less than 31,000 total flight cycles at the original issue date of this service bulletin.
1 757-200, -200CB and -300 airplanes with 31,000 total flight cycles or more at the original issue date of this service bulletin.
2 Airplane Models:
757-200, 757-200CB, 757-300 GroupVariable Number 1NA001 - NA023 2NA024 - NA028 1NA191 - NA192 2NA193 - NA199 1NA201 - NA223 2NA224 - NA239 2NA301 - NA305 2NA341 - NA352 1NA391 2NA392 - NA399 1NA401 - NA404 2NA405 - NA408 2NA441 - NA447 1NA501 - NA515 2NA516 - NA586 1NB001 - NB004 1NB021 - NB023 2NB036 - NB041 2NB051 - NB053 2NB061 - NB073 2NB079 2NB131 - NB148 2NB161 - NB162 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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GroupVariable Number 2NB166 - NB168 2NB201 - NB204 2NB221 - NB228 2NB230 2NB236 2NB239 2NB261 - NB267 2NB291 - NB299 2NB301 - NB302 2NB311 - NB312 2NB321 - NB331 2NB421 - NB438 2NB446 2NB451 - NB454 2NB501 - NB523 2NB561 2NB571 2NB581 - NB583 1NC001 - NC014 2NC015 - NC033 2NC041 - NC042 2NC051 - NC052 2NC056 - NC062 2NC066 - NC084 2NC091 - NC094 2NC151 2NC161 2ND001 - ND007 2ND011 - ND059 2ND111 - ND113 2ND161 - ND199 2ND201 - ND203 2ND221 - ND225 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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GroupVariable Number 2ND241 - ND248 2ND301 - ND322 2ND401 2ND891 2ND895 2NE001 - NE008 2NE011 - NE088 2NE091 - NE094 2NE141 - NE150 2NE161 - NE177 2NE201 - NE204 2NE301 - NE302 2NE311 - NE325 2NJ001 - NJ004 2NJ031 - NJ032 2NJ551 - NJ555 2NL001 - NL002 2NL006 - NL017 2NL101 - NL109 2NL141 2NL601 - NL616 2NN001 - NN002 2NN051 - NN052 2NP901 - NP904 2NT201 - NT202 2NT231 - NT234 2NT237 - NT240 2NT242 2NT245 - NT248 2NT281 - NT289 2NT341 - NT347 2NT351 - NT360 2NT371 - NT373 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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