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Commercial Airplanes 737 Service Bulletin ALERT Number: 737-53A1354 Original Issue: December 02, 2016 ATA System: 5311 5331 SUBJECT: FUSELAGE - Frames and Bulkheads - Section 41 Lower Lobe Frames - Inspections 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Unpublished Work.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.
Original Issue: December 02, 2016 737-53A1354 1 of 59
2.0
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: December 02, 2016 737-53A1354 2 of 59 BOEING SERVICE BULLETIN 737-53A1354
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BLANK PAGE
Table of Contents
Summary5
1. PLANNING INFORMATION9
A. Effectivity9
1. Airplanes9
2. Spares Affected19
B. Concurrent Requirements19
C. Reason19
D. Description20
E. Compliance21
F. Approval24
G. Manpower24
H. Weight and Balance Changes25
I. Electrical Load Data25
J. References25
1. Existing Data:25
2. Data Supplied with this Service Bulletin:25
3. Installation Drawings Used in the Preparation of this Service Bulletin:25
K. Publications Affected26
L. Interchangeability and Intermixability of Parts26
M. Software Accomplishment Summary26
2. MATERIAL INFORMATION27
A. Material - Price and Availability27
B. Industry Support Information27
C. Parts Necessary for Each Airplane27
1. Kits/Parts27
2. Parts and Materials Supplied by the Operator27
3. Parts Modified and Reidentified27
4. Parts Removed and Not Replaced27
D. Parts Necessary to Change Spares27
E. Special Tooling - Price and Availability27
F. Special Tooling Necessary to do this Service Bulletin27
3. ACCOMPLISHMENT INSTRUCTIONS29
A. GENERAL INFORMATION29
B. WORK INSTRUCTIONS31
FIGURE 1: INSPECTION OF THE SECTION 41 LOWER LOBE FRAMES LEFT SIDE FOR ANY CRACK
[Group 2]35
FIGURE 2: INSPECTION OF THE SECTION 41 LOWER LOBE FRAMES RIGHT SIDE FOR ANY CRACK
[Group 2]42
FIGURE 3: HFEC INSPECTION OF THE STA 312, STA 328 AND STA 344 SECTION 41 LOWER LOBE
FRAMES RIGHT SIDE FOR ANY CRACK [Group 2]46
APPENDIX A: LOGIC DIAGRAM FOR PARAGRAPH 1.E. COMPLIANCE, TABLE 1: INSPECTION FOR ANY CRACK IN THE SECTION 41 LOWER LOBE FRAMES, LEFT AND RIGHT SIDE [Group 2]
.54
APPENDIX B: LOGIC DIAGRAM FOR PARAGRAPH 1.E. COMPLIANCE, TABLE 2: INSPECTION FOR ANY CRACK IN THE STA 312, STA 328 AND STA 344 LOWER LOBE FRAMES, RIGHT SIDE ONLY
[Group 2]56
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: December 02, 2016 737-53A1354 3 of 59 BOEING SERVICE BULLETIN 737-53A1354
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APPENDIX C: TYPICAL FRAME CONSTRUCTION AND COMPONENT IDENTIFICATION [Group 2] . 58 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: December 02, 2016 737-53A1354 4 of 59 BOEING SERVICE BULLETIN 737-53A1354
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Commercial Airplanes 737 Service Bulletin ALERT SummaryNumber: 737-53A1354Original Issue: December 02, 2016 ATA System: 5311 5331 SUBJECT: FUSELAGE - Frames and Bulkheads - Section 41 Lower Lobe Frames - Inspections
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 is sent to inspect fuselage Section 41 lower lobe frames between STA 268.25 and STA 360 below S-17 for cracking. Frame cracking is the result of fatigue caused by cyclic pressurization of the fuselage. If cracks are not detected and repaired, they can grow until the frames sever. Continued operation of the airplane with multiple adjacent severed frames could result in uncontrolled decompression of the airplane.
Also, the combination of a severed frame and fuselage skin chem-mill cracks in this area can lead to an uncontrolled decompression of the airplane.
There have been eleven reports of frame web cracking at the STA 344 system penetration holes between S-22L and S-24L. Findings were between 25,713 and 68,093 total flight cycles and between 55,058 and 76,358 total flight hours. Crack lengths were from 0.78 inches to 1.57 inches long. Refer to Boeing Service Bulletins 737-53A1323 and 737-53A1064 for reports of other Section 41 lower lobe fuselage frame cracking and required inspections.
Boeing Service Related Problem (SRP) 737-SRP-53-0515 is related to this service bulletin.
Boeing Fleet Team Digest 737-FTD-53-10004 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.
Original Issue: December 02, 2016 737-53A1354 5 of 59
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 NoOperator Supplied Parts/Material Paragraph 2.F., Special Tooling Necessary to do this Service Bulletin NoSpecial Tooling Required ACTION Group 1:
The Boeing Company endorses the new FAA rules related to Limit of Validity (LOV) and recommends immediate and permanent removal from service of any airplanes upon reaching the LOV, whether or not it is operated under FAA jurisdiction. As such, The Boeing Company no longer provides maintenance instructions for airplanes that have accumulated flight cycles beyond the LOV. Airplanes in Group 1 (line number 1-291) have accumulated flight cycles beyond the LOV of the maintenance program. 14 CFR 121.1115 and 129.115 prohibit operation of an airplane beyond its LOV.
Group 2:
Do Part 2: High Frequency Eddy Current (HFEC), detailed and general visual inspections of the Section 41 lower lobe frames between STA 268.25 and STA 360 left side for any crack and do detailed and general visual inspections of the Section 41 lower lobe frames between STA 268.25 and STA 360 right side for any crack. If any crack is found, contact The Boeing Company for repair instructions and do the repair and repeat Part 2 inspections for any crack at the intervals given in Paragraph 1.E., Compliance. If no crack is found, repeat Part 2 inspections for any crack at the intervals given in Paragraph 1.E., Compliance.
Group 2:
Do Part 3: HFEC inspection of the STA 312, STA 328 and STA 344 lower lobe frames, right side for any crack.
If any crack is found, contact The Boeing Company for repair instructions and do the repair and repeat Part 3 inspections for any crack at the intervals given in Paragraph 1.E., Compliance. If no crack is found, repeat Part 3 inspections for any crack at the intervals given in Paragraph 1.E., Compliance.
EFFECTIVITY 737-100/-200/-200C/-300/-400/-500 Airplanes. Refer to Paragraph 1.A., Effectivity, 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.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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INDUSTRY SUPPORT INFORMATION Boeing warranty remedies are not available for the inspection 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: December 02, 2016 737-53A1354 7 of 59 BOEING SERVICE BULLETIN 737-53A1354
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BOEING SERVICE BULLETIN 737-53A1354
ALERT ALERT STA GROUP 2: 294.5 DO PART 3: HIGH FREQUENCY EDDY
CURRENT (HFEC) INSPECTION OF THE STA 312, STA 328 AND STA 344 LOWER
LOBE FRAMES RIGHT SIDE FOR ANY CRACK S-17R S-19R - S-22R STA | 259.5 STA BL-O STA 344 380 | STA STA 312 360 GROUP 2:
DO PART 2: DETAILED AND GENERAL VISUAL INSPECTIONS OF THE SECTION 41 LOWER LOBE FRAMES BETWEEN STA 268.25 AND STA 360 RIGHT SIDE FOR ANY CRACK GROUP 2:
DO PART 2: HIGH FREQUENCY EDDY CURRENT (HFEC), DETAILED AND GENERAL VISUAL STA INSPECTIONS OF THE SECTION 41 LOWER LOBE
294.5 FRAMES BETWEEN STA 268.25 AND STA 360 LEFT
SIDE FOR ANY CRACK
AIRSTAIR CUTOUT
IS OPTIONAL S-17L STA
259.5 STA 277 STA BL-O STA 360 312 STA STA 344 380 2501520 Original Issue: December 02, 2016 PROPRIETARY - Copyright © Unpublished Export Controlled ECCN: 9E991 - BOEING 737-53A1354 Work - See page 1 for details. 8 of 59
Commercial Airplanes 737 Service Bulletin ALERT Number: 737-53A1354 Original Issue: December 02, 2016 ATA System: 5311 5331 SUBJECT: FUSELAGE - Frames and Bulkheads - Section 41 Lower Lobe Frames - Inspections
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 Refer to Service Bulletin Index D6-19567 Part 3 for Airplane Variable Number, Line Number, and Serial Number data.
This service bulletin is applicable to 737-100/-200/-200C/-300/-400/-500 airplanes, line numbers 1-2565 in two groups. The Variable Numbers and Group Information for the applicable airplanes is given below.
DESCRIPTIONCONFIGURATIONGROUP 737-100/-200/-200C airplanes, line numbers 1-291.-1 737-200/-200C/-300/-400/-500 airplanes, line numbers 292-2565.-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 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: December 02, 2016 737-53A1354 9 of 59
GroupVariable Number 1PG199 1PG201 - PG230 1PG251 - PG255 1PG271 - PG279 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 - PJ552 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: December 02, 2016 737-53A1354 10 of 59 BOEING SERVICE BULLETIN 737-53A1354
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GroupVariable Number 2PK026 - PK029 2PK041 - PK053 2PK061 - PK070 2PK081 - PK082 2PK091 - PK099 2PK101 - PK103 2PK111 - PK120 2PK141 - PK146 2PK201 - PK204 2PK211 - PK223 2PK231 - PK241 2PK251 - PK258 2PK271 - PK274 2PK281 - PK289 2PK291 2PK301 - PK318 2PK341 2PK351 - PK361 2PK391 2PK431 - PK433 2PK451 - PK452 2PK461 - PK469 2PK495 2PK501 - PK504 2PK511 - PK515 2PK519 2PK521 - PK528 2PK541 - PK565 2PK581 2PK591 - PK599 2PK601 - PK617 2PK621 - PK637 2PK641 - PK642 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: December 02, 2016 737-53A1354 11 of 59 BOEING SERVICE BULLETIN 737-53A1354
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GroupVariable Number 2PK661 - PK666 2PK671 - PK681 2PK691 - PK697 2PK711 - PK716 2PK731 - PK765 2PK771 - PK779 2PK801 - PK804 2PK819 - PK827 2PK830 2PK861 - PK863 2PK871 - PK874 2PK881 - PK884 2PK901 - PK938 2PK971 - PK974 2PL001 - PL028 2PL061 2PL081 2PL101 - PL113 2PL151 2PL171 - PL172 2PL201 - PL203 2PL221 2PL401 - PL417 2PL421 2PL441 2PL451 - PL456 2PL471 2PL491 2PL501 - PL506 2PL551 - PL562 2PL581 2PL601 - PL603 2PL611 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: December 02, 2016 737-53A1354 12 of 59 BOEING SERVICE BULLETIN 737-53A1354