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Commercial Airplanes 737 Requirements Bulletin ALERT Number: 737-53A1402 RB Original Issue: July 02, 2021 Revision 1: January 30, 2023 ATA System: 5311 SUBJECT: FUSELAGE - Frames and Bulkheads - Shimming Non Conformities at STA 727 Frame Inner Chord and S-18A Web Inspection EXPORT CONTROLLED - This technology or software is subject to the U.S. Export Administration Regulations (EAR), (15 C.F.R. Parts 730-774). No authorization from the U.S. Department of Commerce is required for export, re-export, in-country transfer, or access EXCEPT to country group E:1 or E:2 countries/persons per Supp.1 to Part 740 of the EAR.
9E991ECCN:
Copyright © 2021 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Unpublished Work.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: July 02, 2021 737-53A1402 RBRevision 1: January 30, 2023 1 of 85
3.0
Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
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Table of Contents
Revision Transmittal Sheet5
1 . E F F E C T I V I T Y7
A. Airplanes7
B . S p a r e s A f f e c t e d ........................................... 1 5
2. CONCURRENT REQUIREMENTS .................................... 1 5 3 . C O M P L I A N C E ............................................... 1 5
4. APPROVAL ................................................ 2 1
5. ACCOMPLISHMENT INSTRUCTIONS .................................. 2 3 A. General Information ......................................... 2 3 B. Work Instructions ........................................... 2 5 FIGURE 1: LEFT SIDE - STA 727 FRAME INNER CHORD AT S-18A - GENERAL VISUAL INSPECTION .................................................. 3 2 FIGURE 2: RIGHT SIDE - STA 727 FRAME INNER CHORD AT S-18A - GENERAL VISUAL INSPECTION .................................................. 3 6 FIGURE 3: LEFT SIDE - STA 727 FRAME INNER CHORD AT S-18A - HIGH FREQUENCY EDDY CURRENT (HFEC) INSPECTIONS [Group 1, Configuration 1] ............... 4 0 FIGURE 4: RIGHT SIDE - STA 727 FRAME INNER CHORD AT S-18A - HIGH FREQUENCY EDDY CURRENT (HFEC) INSPECTIONS [Group 1, Configuration 1] ............... 4 5 FIGURE 5: LEFT SIDE - STA 727 FRAME INNER CHORD AT S-18A - SHIM INSTALLATION [Group 1, Configuration 1] ......................................... 5 0 FIGURE 6: RIGHT SIDE - STA 727 FRAME INNER CHORD AT S-18A - SHIM INSTALLATION [Group 1, Configuration 1] ......................................... 5 6 FIGURE 7: LEFT SIDE - STA 727 FRAME INNER CHORD AT S-18A - HIGH FREQUENCY EDDY CURRENT (HFEC) INSPECTION ............................... 6 2 FIGURE 8: RIGHT SIDE - STA 727 FRAME INNER CHORD AT S-18A - HIGH FREQUENCY EDDY CURRENT (HFEC) INSPECTION ............................... 6 5 FIGURE 9: LEFT SIDE - STA 727 FRAME INNER CHORD AT S-18A - GAP MEASUREMENT [Group 1, Configuration 1] ......................................... 6 8 FIGURE 10: RIGHT SIDE - STA 727 FRAME INNER CHORD AT S-18A - GAP MEASUREMENT [Group 1, Configuration 1] ......................................... 7 2 FIGURE 11: LEFT SIDE - STA 727 FRAME INNER CHORD AT S-18A - FASTENER INSTALLATION [Group 1, Configuration 1] ....................................... 7 6 FIGURE 12: RIGHT SIDE - STA 727 FRAME INNER CHORD AT S-18A - FASTENER INSTALLATION [Group 1, Configuration 1] ................................... 8 1 Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
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Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: July 02, 2021 737-53A1402 RBRevision 1: January 30, 2023 4 of 85 REQUIREMENTS BULLETIN 737-53A1402
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Commercial Airplanes 737 Requirements Bulletin ALERT Revision Transmittal SheetNumber: 737-53A1402 RBOriginal Issue: July 02, 2021 Revision 1: January 30, 2023 ATA System: 5311 SUBJECT: FUSELAGE - Frames and Bulkheads - Shimming Non Conformities at STA 727 Frame Inner Chord and S-18A Web Inspection This revision includes all pages of the requirements bulletin.
COMPLIANCE INFORMATION RELATED TO THIS REVISION Federal Aviation Administration (FAA) Notice of Proposed Rule Making (NPRM) AD-2021-00679-T is related to Requirements Bulletin 737-53A1402 RB.
Effects of this Revision on airplanes on which the Original Issue was previously done:
None.
REASON FOR REVISION This revision is sent to update fastener callouts for the shim installation at Station (STA) 727 frame inner chord and Stringer S-18A web. This revision is also to clarify shim installation requirements. Shim installation is not required when the measurement of the gap without shim and fasteners installed is equal to or less than 0.006 inch.
These sections were changed:
In Compliance: Added Federal Aviation Administration (FAA) Notice of Proposed Rule Making (NPRM) statement.
Added new conditions and actions in Table 1 and Table 2.
In Work Instructions: Added new conditions and actions in Table 1 and Table 2.
In Figure 5 and Figure 6: Removed gap measurement task. Updated fastener callouts and Service Bulletin reference. Added a new footnote.
In Figures 9 to 12: Added Figures 9 to 12.
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.
Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: July 02, 2021 737-53A1402 RBRevision 1: January 30, 2023 5 of 85
REVISION HISTORY Service BulletinService BulletinRequirement BulletinRequirement Bulletin 737-53A1402737-53A1402737-53A1402 RB737-53A1402 RB Issue DateIssue Date July 02, 2021Original Issue:July 02, 2021Original Issue:
January 30, 2023Revision 1:January 30, 2023Revision 1:
Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: July 02, 2021 737-53A1402 RBRevision 1: January 30, 2023 6 of 85 REQUIREMENTS BULLETIN 737-53A1402
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Commercial Airplanes 737 Requirements Bulletin ALERT Number: 737-53A1402 RB Original Issue: July 02, 2021 Revision 1: January 30, 2023 ATA System: 5311 SUBJECT: FUSELAGE - Frames and Bulkheads - Shimming Non Conformities at STA 727 Frame Inner Chord and S-18A Web 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. THIS IS AN ENHANCED REQUIRED FOR COMPLIANCE DOCUMENT. THE BOEING
PROCESSES USED TO CREATE THE SERVICE BULLETIN (SB) AND THE REQUIREMENTS BULLETIN (RB) ENSURE THAT THE INFORMATION BETWEEN "RC START" AND "RC END" IN THE SB ARE IDENTICAL TO THE INFORMATION IN THE SAME SECTIONS (COMPLIANCE, WORK INSTRUCTIONS…) OF THE RB WHICH THE SB REFERS TO AS THE RELATED DOCUMENT.
1. Effectivity A. Airplanes This bulletin is applicable to 737-600, 737-700, 737-700C, 737-800, 737-900, 737-900ER Airplane(s), line number(s) 1-2598, 2600-2721, 2723-2813, 2815-2930, 2932-3068, 3070-3323, 3325-3425, 3427-3521, 3523-3611, 3613-3701, 3703-3791, 3793-3878, 3880-3915, 3917-3968, 3970-4013, 4015-4054, 4056-4098, 4100-4140, 4142-4180, 4182-4218, 4220-4255, 4257-4293, 4295-4330, 4332-4365, 4367-4398, 4400-4444, 4446-4480, 4482-4546, 4548-4608, 4610-4672, 4674-4727, 4729-4767, 4769-4812, 4814-4858, 4860-4897, 4899-4937, 4939-4977, 4979-5019, 5021-5057, 5059-5097, 5099-5137, 5139-5177, 5179-5217, 5219-5261, 5263-5297, 5299-5337, 5339-5367, 5369-5397, 5399-5427, 5429-5457, 5459-5477, 5479-5509, 5511-5541, 5543-5566, 5568-5586, 5588-5601, 5603-5622, 5624-5655, 5657-5667, 5669-5679, 5681-5711, 5713-5727, 5729-5739, 5741-5764, 5766-5787, 5789-5795, 5797-5822, 5824-5850, 5853-5879, 5881-5901, 5904-5935, 5937-5947, 5949-5962, 5964-5991, 5994-6019, 6021-6033, 6035-6047, 6049-6073, 6075, 6077-6103, 6105-6113, 6115-6131, 6133-6153, 6155-6159, 6161-6187, 6190-6215, 6217-6221, 6223-6243, 6245-6249, 6251-6271, 6274-6289, 6291-6299, 6301-6307, 6309-6325, 6327, 6329-6343, 6345-6355, 6357-6359, 6361-6371, 6373-6383, 6386-6395, 6397-6407, 6409-6411, 6413-6419, 6421-6429, 6431-6439, 6442-6447, 6449-6455, 6457-6463, 6465-6467, 6469-6471, 6473-6480, 6482-6489, 6491, 6493-6498, 6500-6507, 6509-6514, 6516-6520, 6522-6527, 6529-6531, 6533-6534, 6536-6541, 6543-6547, 6549-6554, 6556-6559, 6561, 6563-6568, 6570-6574, 6576-6581, 6583-6588, 6590-6593, 6596-6597, 6599-6602, 6604-6606, 6608-6611, 6613-6615, 6617-6620, 6622, 6624, 6626-6629, 6631-6633, 6635-6638, 6640-6642, 6644-6647, 6649-6651, 6653-6656, 6659-6660, 6662-6665, 6667-6671, 6673-6676, 6678-6680, 6682-6685, 6688-6689, 6691-6694, 6696-6698, 6700-6703, 6705-6707, 6709-6712, 6714-6716, 6718-6719, 6721, 6723-6725, 6727-6730, 6732-6734, 6736-6739, 6741-6743, 6745-6748, 6751-6752, 6754-6757, 6759-6761, 6763-6766, 6768-6770, 6772-6775, 6777-6779, 6781-6782, 6786-6788, 6790-6791, 6793, 6795, 6797, 6799-6802, 6804, 6806, 6808-6809, 6811, 6813, 6815, 6817-6818, 6820, 6822-6824, 6826-6827, 6829, 6831-6833, 6835-6836, 6838, 6840, 6842, Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
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6844-6845, 6847, 6849, 6851, 6853-6854, 6856-6858, 6860, 6862-6863, 6865, 6867, 6869-6871, 6873-6874, 6878-6880, 6882-6883, 6885, 6887-6889, 6891-6892, 6894, 6896, 6898, 6900-6903, 6905, 6907, 6910, 6912-6914, 6916, 6918-6919, 6921, 6923-6925, 6927-6928, 6930, 6932-6934, 6936-6937, 6939, 6943, 6945-6948, 6950, 6952, 6954-6955, 6957-6959, 6961-6962, 6964, 6966-6967, 6969, 6971-6972, 6977, 6979, 6981-6982, 6984, 6986-6987, 6989, 6992, 6994, 6996-6997, 6999, 7001-7002, 7007, 7009, 7011-7012, 7014, 7016-7017, 7019, 7021-7022, 7024, 7026, 7029, 7031-7032, 7034, 7036-7037, 7039, 7041, 7046-7047, 7049, 7051-7052, 7054, 7056-7057, 7059, 7061, 7063, 7066-7067, 7069, 7071-7072, 7076, 7078, 7081-7082, 7084, 7086-7087, 7089, 7091-7092, 7094, 7097, 7099, 7101-7102, 7104, 7106-7107, 7109, 7112, 7116-7117, 7119, 7121-7122, 7124, 7126-7127, 7129, 7131, 7134, 7136-7137, 7139, 7141-7142, 7146, 7149, 7151-7152, 7154, 7156-7157, 7159, 7161-7162, 7164, 7167, 7169, 7171-7172, 7174, 7176-7177, 7179, 7182, 7187, 7189, 7191, 7194, 7197, 7199, 7202, 7204, 7206, 7209, 7212, 7214, 7217, 7221, 7224, 7227, 7229, 7232, 7234-7235, 7239, 7242, 7244, 7247, 7249, 7251, 7257, 7259, 7262, 7264, 7266, 7269, 7272, 7274, 7277, 7279-7280, 7284, 7287, 7292, 7294, 7297, 7299, 7302, 7304, 7307, 7309, 7312, 7314, 7317, 7319, 7322, 7327, 7329, 7332, 7334, 7337, 7339, 7342, 7344, 7347, 7349, 7352, 7354, 7357, 7362, 7364, 7367, 7369, 7372, 7374, 7377, 7379, 7382, 7387, 7397, 7402, 7407, 7412, 7417, 7422, 7432, 7437, 7442, 7447, 7452, 7457, 7467, 7472, 7477, 7482, 7487, 7492, 7502, 7507, 7512, 7517, 7522, 7527, 7537, 7547, 7552, 7557, 7562, 7572, 7577, 7582, 7587, 7592, 7597, 8592 in 1 Group(s). Where the effectivity is presented with hyphens between line numbers, the airplane applicability means "through" and "inclusive", e.g. line numbers 1-9 means line numbers 1 through 9 inclusive.
The Variable Numbers and Group Information for the applicable airplanes is given below.
DESCRIPTIONCONFIGURATIONGROUP 737-600/-700/-700C/-800/-900/-900ER Airplanes.-1 737-600/-700/-700C/-800/-900/-900ER Airplanes that were not in the effectivity of Requirements Bulletin 737-53A1385 RB or airplanes that have not installed a shim in accordance with Requirements Bulletin 737-53A1385 RB.
1 737-600/-700/-700C/-800/-900/-900ER Airplanes that have a new shim installed in accordance with Requirements Bulletin 737-53A1385 RB.
2 Airplane Models:
737-600, 737-700, 737-700C, 737-800, 737-900, 737-900ER GroupVariable Number 1YA001 - YA099 1YA101 - YA199 1YA201 - YA211 1YA221 1YA231 - YA242 GroupVariable Number 1YA251 - YA256 1YA271 - YA272 1YA291 1YA301 - YA302 1YA311 - YA314 GroupVariable Number 1YA321 - YA323 1YA336 - YA345 1YA351 1YA356 - YA357 1YA366 - YA367 Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
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GroupVariable Number 1YA371 - YA377 1YA501 - YA536 1YA541 - YA552 1YA571 - YA578 1YA601 - YA615 1YA621 - YA622 1YA626 - YA631 1YA635 - YA636 1YA641 - YA642 1YA645 - YA650 1YA656 - YA659 1YA666 - YA667 1YA671 - YA672 1YA681 - YA691 1YA701 - YA710 1YA721 - YA722 1YA731 - YA734 1YA751 - YA756 1YA801 - YA803 1YA809 1YA811 - YA814 1YA831 - YA835 1YA841 - YA862 1YA881 - YA882 1YA891 - YA892 1YA961 - YA978 1YB001 - YB006 1YB101 - YB132 1YB151 - YB153 1YB156 - YB158 1YB161 - YB164 1YB171 - YB172 1YB181 - YB184 GroupVariable Number 1YB201 - YB208 1YB271 1YB276 1YB301 - YB310 1YB371 - YB392 1YB501 - YB502 1YB521 - YB526 1YB541 - YB544 1YB551 1YB561 - YB598 1YB601 - YB636 1YB651 1YB656 1YB671 - YB672 1YB851 - YB863 1YB871 - YB874 1YB881 - YB893 1YB901 - YB903 1YB911 1YB961 - YB975 1YB981 1YB986 - YB998 1YC001 - YC030 1YC051 - YC084 1YC091 - YC095 1YC101 - YC104 1YC111 - YC113 1YC121 1YC126 - YC127 1YC136 - YC141 1YC146 - YC147 1YC151 - YC156 1YC166 - YC171 GroupVariable Number 1YC176 - YC179 1YC186 - YC190 1YC201 - YC203 1YC206 - YC207 1YC301 - YC305 1YC321 - YC387 1YC391 - YC394 1YC396 1YC401 - YC417 1YC421 - YC422 1YC426 - YC428 1YC436 - YC439 1YC441 - YC448 1YC451 - YC455 1YC459 1YC461 - YC467 1YC471 - YC499 1YC501 - YC526 1YC571 - YC583 1YC587 - YC589 1YC591 - YC593 1YC601 - YC655 1YC681 - YC696 1YC701 - YC715 1YC720 - YC725 1YC727 - YC752 1YC761 - YC770 1YC781 - YC793 1YC801 - YC892 1YC901 - YC907 1YC921 - YC922 1YC931 - YC932 1YC941 - YC951 Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
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GroupVariable Number 1YC971 - YC978 1YC981 - YC983 1YD001 - YD007 1YD021 - YD025 1YD041 - YD057 1YD081 - YD084 1YD101 - YD117 1YD121 - YD126 1YD151 - YD159 1YD171 - YD172 1YD201 - YD203 1YD206 - YD209 1YD216 - YD219 1YD251 - YD254 1YD256 - YD257 1YD261 1YD301 - YD334 1YD391 1YD401 - YD410 1YD412 - YD424 1YD481 - YD485 1YD491 - YD499 1YD501 - YD512 1YD531 - YD535 1YD541 - YD547 1YD561 - YD564 1YD571 - YD572 1YD591 - YD595 1YD601 - YD612 1YD651 - YD655 1YE001 - YE020 1YE051 1YE101 - YE109 GroupVariable Number 1YE151 - YE157 1YE171 - YE172 1YE201 - YE206 1YE301 - YE305 1YE321 - YE326 1YE371 - YE383 1YF001 - YF011 1YF021 - YF049 1YF051 - YF080 1YF086 - YF087 1YF106 - YF107 1YF111 - YF114 1YF116 - YF119 1YF121 - YF132 1YF176 - YF178 1YF191 - YF192 1YF201 - YF276 1YF401 - YF402 1YF431 - YF432 1YF436 - YF437 1YF441 - YF442 1YF451 - YF460 1YF501 - YF599 1YF601 - YF685 1YF691 - YF695 1YF701 - YF707 1YF801 - YF805 1YF831 - YF832 1YF836 - YF838 1YF871 - YF872 1YF901 - YF905 1YF921 - YF928 1YF951 - YF954 GroupVariable Number 1YG001 - YG044 1YG061 - YG064 1YG066 - YG089 1YG091 - YG099 1YG101 - YG104 1YG111 - YG114 1YG116 - YG148 1YG201 - YG205 1YG211 - YG214 1YG221 - YG224 1YG251 - YG252 1YG501 - YG517 1YG601 - YG602 1YG701 1YG711 1YG721 - YG722 1YH001 - YH012 1YH031 - YH055 1YH071 - YH080 1YH101 - YH132 1YH201 - YH202 1YH206 - YH207 1YH301 - YH307 1YH321 - YH322 1YH501 - YH542 1YH551 - YH594 1YH601 - YH606 1YH611 - YH620 1YH631 - YH632 1YH636 - YH637 1YH641 1YH681 - YH686 1YH701 - YH755 Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
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GroupVariable Number 1YH801 - YH899 1YH901 - YH908 1YH911 - YH915 1YH951 - YH952 1YJ001 - YJ013 1YJ021 1YJ471 - YJ480 1YJ501 - YJ517 1YJ531 - YJ579 1YJ591 - YJ599 1YJ631 - YJ632 1YJ671 - YJ694 1YJ801 - YJ867 1YJ871 - YJ880 1YJ901 - YJ904 1YJ908 - YJ929 1YJ931 - YJ937 1YJ941 - YJ956 1YJ961 1YJ976 - YJ977 1YK001 - YK007 1YK101 - YK104 1YK111 - YK112 1YK121 - YK122 1YK131 - YK133 1YK136 - YK139 1YK141 - YK142 1YK146 - YK148 1YK151 - YK154 1YK161 - YK167 1YK171 1YK176 - YK177 1YK186 GroupVariable Number 1YK191 1YK196 1YK201 - YK202 1YK301 - YK314 1YK321 - YK340 1YK361 - YK378 1YK401 - YK406 1YK426 - YK427 1YK431 - YK450 1YK456 - YK467 1YK471 - YK473 1YK476 1YK478 1YK480 - YK487 1YK491 - YK493 1YK495 - YK499 1YK511 - YK516 1YK521 - YK530 1YK551 - YK571 1YK576 - YK577 1YK580 - YK585 1YK601 - YK602 1YK606 - YK607 1YK611 - YK616 1YK621 - YK634 1YK641 - YK644 1YK651 - YK665 1YK671 - YK672 1YK676 - YK677 1YK681 - YK686 1YK691 1YK695 - YK699 1YK701 - YK713 GroupVariable Number 1YK716 - YK719 1YK721 - YK741 1YK751 - YK770 1YK776 - YK778 1YK781 - YK785 1YK791 - YK792 1YK796 - YK797 1YK801 - YK899 1YK901 - YK912 1YK918 - YK919 1YK921 - YK929 1YK941 - YK999 1YL001 - YL005 1YL011 - YL016 1YL021 - YL024 1YL051 - YL052 1YL056 - YL057 1YL061 1YL066 - YL069 1YL076 - YL077 1YL101 - YL137 1YL201 - YL237 1YL241 - YL242 1YL271 - YL272 1YL281 - YL284 1YL301 - YL303 1YL311 - YL314 1YL316 - YL321 1YL351 - YL353 1YL371 - YL374 1YL401 1YL421 - YL429 1YL431 - YL444 Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: July 02, 2021 737-53A1402 RBRevision 1: January 30, 2023 11 of 85 REQUIREMENTS BULLETIN 737-53A1402
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GroupVariable Number 1YL461 - YL478 1YL501 - YL509 1YL531 - YL534 1YL541 - YL551 1YL561 - YL579 1YL591 - YL598 1YL601 - YL606 1YL611 - YL612 1YL616 - YL617 1YL621 1YL626 1YL631 - YL634 1YL636 - YL637 1YL661 - YL664 1YL676 - YL691 1YL696 - YL697 1YL701 - YL707 1YL731 1YL751 - YL752 1YL756 - YL757 1YL761 - YL780 1YL796 - YL797 1YL801 - YL815 1YL901 - YL910 1YL921 - YL940 1YL951 - YL968 1YM101 - YM103 1YM201 - YM244 1YM251 - YM299 1YM301 - YM399 1YM401 - YM415 1YM471 1YM481 - YM484 GroupVariable Number 1YM501 - YM515 1YM521 - YM522 1YM541 1YM551 - YM553 1YM571 - YM572 1YM581 - YM582 1YM591 - YM599 1YM631 - YM634 1YM641 - YM652 1YM671 - YM674 1YM691 - YM699 1YM701 - YM710 1YM761 - YM765 1YM771 - YM779 1YN001 - YN016 1YN021 - YN024 1YN061 1YN071 - YN082 1YN091 - YN092 1YN101 - YN112 1YN121 1YN126 1YN201 - YN202 1YN211 - YN219 1YN231 - YN236 1YN261 1YN501 1YN531 - YN534 1YN551 - YN566 1YN581 - YN585 1YN591 - YN593 1YN601 - YN606 1YN651 - YN653 GroupVariable Number 1YN661 - YN663 1YN666 - YN667 1YN671 - YN674 1YN701 - YN702 1YN741 - YN746 1YN756 - YN758 1YQ001 - YQ003 1YQ011 - YQ021 1YQ026 - YQ029 1YQ036 - YQ045 1YQ201 - YQ207 1YQ231 1YQ241 - YQ251 1YQ281 - YQ284 1YQ291 - YQ296 1YQ301 - YQ302 1YQ321 - YQ324 1YQ331 - YQ334 1YQ346 - YQ347 1YQ351 - YQ367 1YQ371 1YQ401 - YQ403 1YQ451 - YQ454 1YQ456 1YQ461 1YQ471 1YQ501 - YQ520 1YQ601 - YQ606 1YQ610 - YQ614 1YR001 - YR098 1YR101 - YR105 1YR111 - YR124 1YR126 - YR144 Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: July 02, 2021 737-53A1402 RBRevision 1: January 30, 2023 12 of 85 REQUIREMENTS BULLETIN 737-53A1402