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Commercial Airplanes 737 Requirements Bulletin ALERT Number: 737-32A1599 RB Original Issue: October 14, 2025 ATA System: 3241 SUBJECT: LANDING GEAR - Hydraulic Brake System - Main Landing Gear Brake Hydraulic Hoses 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 © 2025 The Boeing Company 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: October 14, 2025 737-32A1599 RB 1 of 44
3.0
Export Controlled ECCN: 9E991 See page 1 for details Original Issue: October 14, 2025 737-32A1599 RB 2 of 44 REQUIREMENTS BULLETIN 737-32A1599
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Table of Contents
1. EFFECTIVITY5
A. Airplanes5
B. Spares Affected13
2. CONCURRENT REQUIREMENTS14
3. COMPLIANCE14
4. APPROVAL15
5. ACCOMPLISHMENT INSTRUCTIONS17
A. General Information17
B. Work Instructions18
FIGURE 1: LEFT MAIN LANDING GEAR (MLG) - BRAKE HYDRAULIC HOSES - GENERAL VISUAL
INSPECTION (GVI) [Group 1, Configuration 3-5]21
FIGURE 2: RIGHT MAIN LANDING GEAR (MLG) - BRAKE HYDRAULIC HOSES - GENERAL VISUAL
INSPECTION (GVI) [Group 1, Configuration 3-5]26
FIGURE 3: LEFT MAIN LANDING GEAR (MLG) - BRAKE HYDRAULIC HOSES - INSTALLATION
CORRECTION [Group 1, Configuration 3-5]31
FIGURE 4: RIGHT MAIN LANDING GEAR (MLG) - BRAKE HYDRAULIC HOSES - INSTALLATION
CORRECTION [Group 1, Configuration 3-5]36
APPENDIX A: BRAKE REPLACEMENT SERVICE BULLETINS41
APPENDIX B: ANTISKID VALVE OPERATIONAL TEST [Group 1, Configuration 3-5]43
APPENDIX C: TRANSDUCER OPERATIONAL TEST [Group 1, Configuration 3-5]44
Export Controlled ECCN: 9E991 See page 1 for details Original Issue: October 14, 2025 737-32A1599 RB 3 of 44 REQUIREMENTS BULLETIN 737-32A1599
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Export Controlled ECCN: 9E991 See page 1 for details Original Issue: October 14, 2025 737-32A1599 RB 4 of 44 REQUIREMENTS BULLETIN 737-32A1599
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Commercial Airplanes 737 Requirements Bulletin ALERT Number: 737-32A1599 RB Original Issue: October 14, 2025 ATA System: 3241 SUBJECT: LANDING GEAR - Hydraulic Brake System - Main Landing Gear Brake Hydraulic Hoses Inspection
THIS DOCUMENT IS SENT TO THE OPERATORS OF RECORD OF THE AIRPLANES SHOWN IN 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 737-700, 737-800, 737-900, 737-900ER Airplane(s), line number(s) 1-20, 22-29, 31-48, 50-91, 93-99, 101-111, 113-115, 117-119, 121-136, 138-148, 150-190, 192, 194-208, 210-226, 228-242, 244-254, 256, 258-267, 269, 271-281, 283-289, 291-302, 304-309, 311-328, 331-332, 334, 336-367, 369-374, 376-381, 383-406, 408-446, 448-495, 497-509, 511-525, 527-542, 544-545, 547-562, 564-567, 569-613, 615-650, 652-741, 743-815, 817-886, 888-924, 926-931, 933-937, 939-977, 979-1068, 1070-1114, 1116-1130, 1132-1149, 1151, 1153-1163, 1165-1173, 1175-1244, 1246-1275, 1277-1293, 1295-1304, 1306-1377, 1379-1399, 1401-1414, 1416-1436, 1438-1454, 1456-1507, 1509-1547, 1549-1603, 1605-1613, 1615-1758, 1760-1796, 1798-1809, 1811-1815, 1817-1838, 1840-1848, 1850-1861, 1863-1883, 1886-1911, 1913-1930, 1932-1933, 1935-1955, 1957-1978, 1980-1990, 1992-2003, 2005-2015, 2017-2021, 2023-2031, 2033-2044, 2046-2079, 2081-2404, 2406-2530, 2532-2598, 2600-2666, 2668-2721, 2723-2813, 2815-2821, 2823-2930, 2932-2941, 2943-2951, 2953-3023, 3025-3052, 3054-3057, 3059-3068, 3070, 3072-3080, 3082-3099, 3101-3109, 3111-3122, 3124-3128, 3130-3165, 3167-3170, 3172-3176, 3178-3188, 3190-3323, 3325-3345, 3347-3412, 3414-3425, 3427-3521, 3523-3611, 3613-3675, 3677-3701, 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, 4979-4999, 5001-5019, 5021-5057, 5059-5097, 5099-5137, 5139-5157, 5159-5177, 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, 5853-5861, 5863-5879, 5881-5901, 5904-5935, 5937-5947, 5949-5962, 5964-5981, 5983-5991, 5994-6019, 6021-6033, 6035-6047, 6049-6059, 6061-6073, 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, Export Controlled ECCN: 9E991 See page 1 for details Original Issue: October 14, 2025 737-32A1599 RB 5 of 44
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, 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, 7482, 7487, 7492, 7502, 7507, 7512, 7517, 7522, 7527, 7537, 7547, 7552, 7557, 7562, 7572, 7577, 7582, 7592, 7597, 8592, 9103, 9274, 9430-99999 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.
NOTE: Airplanes listed in the effectivity of this bulletin can be classified into one or more of the five configurations specified in the group-configuration description table. Operators must determine airplane configuration(s) based on the definition given and accomplish all applicable actions.
NOTE: The Variable Number table below includes affected airplanes available as of the issue date of this bulletin. Affected airplane Variable Numbers added to MyBoeingFleet.com after the issue date of this bulletin will be shown using the Maintenance Performance Toolbox EFFECTIVITY search function result.
Export Controlled ECCN: 9E991 See page 1 for details Original Issue: October 14, 2025 737-32A1599 RB 6 of 44 REQUIREMENTS BULLETIN 737-32A1599
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DESCRIPTIONCONFIGURATIONGROUP 737-700, 737-800, 737-900, 737-900ER Airplanes.-1 Airplanes that have not accomplished any service bulletin listed in Appendix A as of the Original Issue date of Requirements Bulletin 737-32A1599 RB.
1 Airplanes that, as of the Original Issue date of Requirements Bulletin 737-32A1599 RB, have accumulated 1500 Flight Cycles (FC) or more since the most recent accomplishment of any service bulletin listed in Appendix A.
2 Airplanes that, as of the Original Issue date of Requirements Bulletin 737-32A1599 RB, have accumulated less than 1500 FC since the most recent accomplishment of any service bulletin listed in Appendix A.
3 Airplanes that accomplish any service bulletin listed in Appendix A on or after the Original Issue date of Requirements Bulletin 737-32A1599 RB.
4 Airplanes for which it cannot be determined whether any service bulletin listed in Appendix A was accomplished, or for which the accumulated flight cycles cannot be determined since the accomplishment of any service bulletin listed in Appendix A.
5 Airplane Models:
737-700, 737-800, 737-900, 737-900ER GroupVariable Number 1YA001 - YA099 1YA101 - YA199 1YA201 - YA211 1YA221 1YA231 - YA242 1YA251 - YA256 1YA271 - YA272 1YA291 1YA301 - YA302 1YA311 - YA314 1YA321 - YA323 GroupVariable Number 1YA336 - YA345 1YA351 1YA356 - YA357 1YA366 - YA367 1YA371 - YA377 1YA501 - YA536 1YA541 - YA552 1YA571 - YA578 1YA601 - YA615 1YA621 - YA622 1YA626 - YA631 GroupVariable Number 1YA635 - YA636 1YA641 - YA642 1YA645 - YA650 1YA656 - YA659 1YA666 - YA667 1YA671 - YA672 1YA681 - YA691 1YA701 - YA710 1YA721 - YA722 1YA731 - YA734 1YA751 - YA756 Export Controlled ECCN: 9E991 See page 1 for details Original Issue: October 14, 2025 737-32A1599 RB 7 of 44 REQUIREMENTS BULLETIN 737-32A1599
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GroupVariable Number 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 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 GroupVariable Number 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 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 GroupVariable Number 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 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 Export Controlled ECCN: 9E991 See page 1 for details Original Issue: October 14, 2025 737-32A1599 RB 8 of 44 REQUIREMENTS BULLETIN 737-32A1599
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GroupVariable Number 1YD401 - YD410 1YD412 - YD415 1YD417 - YD424 1YD481 - YD485 1YD491 - YD499 1YD501 - YD512 1YD531 - YD535 1YD541 - YD547 1YD561 - YD564 1YD571 - YD572 1YD591 - YD595 1YD601 - YD612 1YD651 - YD655 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 1YF702 GroupVariable Number 1YF705 - YF707 1YF801 - YF805 1YF831 - YF832 1YF836 - YF838 1YF871 - YF872 1YF901 - YF905 1YF921 - YF928 1YF951 - YF954 1YG001 - YG044 1YG061 - YG064 1YG066 - YG089 1YG091 - YG099 1YG101 - YG104 1YG111 - YG114 1YG116 - YG149 1YG151 - YG152 1YG224 1YG251 - YG252 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 GroupVariable Number 1YH681 - YH686 1YH701 - YH755 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 Export Controlled ECCN: 9E991 See page 1 for details Original Issue: October 14, 2025 737-32A1599 RB 9 of 44 REQUIREMENTS BULLETIN 737-32A1599
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GroupVariable Number 1YK176 - YK177 1YK186 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 GroupVariable Number 1YK695 - YK699 1YK701 - YK713 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 GroupVariable Number 1YL421 - YL429 1YL431 - YL444 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 1YL769 - YL780 1YL796 - YL797 1YL801 - YL815 1YL901 - YL910 1YL921 - YL940 1YL951 - YL968 1YM101 - YM103 1YM201 - YM244 1YM251 - YM299 1YM301 - YM399 1YM401 - YM415 Export Controlled ECCN: 9E991 See page 1 for details Original Issue: October 14, 2025 737-32A1599 RB 10 of 44 REQUIREMENTS BULLETIN 737-32A1599
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GroupVariable Number 1YM471 1YM481 - YM484 1YM501 - YM515 1YM521 - YM522 1YM541 1YM551 - YM553 1YM571 - YM572 1YM581 - YM582 1YM591 - YM599 1YM631 - YM634 1YM641 - YM652 1YM671 - YM674 1YM691 - YM699 1YM702 - YM709 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 GroupVariable Number 1YN601 - YN606 1YN651 - YN653 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 GroupVariable Number 1YR111 - YR124 1YR126 - YR144 1YR166 - YR182 1YR186 - YR198 1YR201 - YR215 1YR231 - YR294 1YR296 - YR297 1YR301 - YR334 1YR338 - YR341 1YR361 - YR366 1YR371 - YR373 1YR376 - YR377 1YR381 - YR382 1YR386 - YR388 1YR391 1YR396 - YR399 1YR401 - YR405 1YR411 - YR413 1YR416 - YR418 1YR421 - YR424 1YR426 - YR455 1YR457 - YR499 1YR501 - YR506 1YR511 - YR520 1YR526 - YR544 1YR546 - YR551 1YR556 - YR562 1YR571 - YR582 1YR591 - YR592 1YR601 - YR605 1YR616 - YR658 1YR661 - YR663 1YR671 - YR673 Export Controlled ECCN: 9E991 See page 1 for details Original Issue: October 14, 2025 737-32A1599 RB 11 of 44 REQUIREMENTS BULLETIN 737-32A1599
ALERTALERT
GroupVariable Number 1YR676 - YR678 1YR681 - YR682 1YR701 - YR769 1YR771 - YR799 1YR801 - YR827 1YR831 - YR838 1YR841 - YR899 1YR901 - YR903 1YR931 - YR934 1YR938 - YR944 1YR951 - YR998 1YS001 - YS002 1YS006 - YS009 1YS031 - YS032 1YS051 - YS073 1YS101 - YS120 1YS126 - YS142 1YS146 - YS160 1YS166 - YS194 1YS196 - YS197 1YS201 - YS209 1YS221 - YS225 1YS231 - YS236 1YS271 - YS288 1YS295 - YS296 1YS301 - YS348 1YS351 - YS378 1YS381 - YS386 1YS393 - YS395 1YS401 1YS451 1YS456 - YS457 1YS462 - YS465 GroupVariable Number 1YS467 1YS501 - YS502 1YS506 1YS511 - YS518 1YS531 1YS536 - YS538 1YS541 - YS542 1YS546 1YS551 - YS556 1YS561 - YS578 1YS581 - YS595 1YS601 - YS690 1YS701 - YS716 1YS721 - YS762 1YS771 - YS780 1YS806 - YS810 1YS816 - YS818 1YS823 - YS825 1YS851 - YS863 1YS876 1YS881 - YS884 1YS891 - YS894 1YS896 - YS897 1YS901 - YS909 1YS911 - YS957 1YS961 - YS974 1YS976 - YS977 1YS981 - YS987 1YS991 - YS998 1YT001 - YT004 1YT006 1YT026 - YT027 1YT031 - YT032 GroupVariable Number 1YT036 - YT038 1YT061 - YT068 1YT101 - YT138 1YT176 - YT185 1YT191 1YT196 - YT199 1YT201 1YT206 - YT207 1YT211 - YT213 1YT251 - YT299 1YT301 - YT307 1YT311 - YT312 1YT321 - YT355 1YT371 - YT372 1YT381 1YT391 - YT396 1YT401 - YT403 1YT411 - YT417 1YT427 1YT461 - YT477 1YT491 - YT492 1YT501 - YT521 1YT551 - YT552 1YT556 - YT563 1YT565 1YT571 - YT578 1YT601 - YT606 1YT701 - YT708 1YT723 - YT726 1YT761 - YT781 1YT791 - YT794 1YT796 - YT797 1YT801 - YT804 Export Controlled ECCN: 9E991 See page 1 for details Original Issue: October 14, 2025 737-32A1599 RB 12 of 44 REQUIREMENTS BULLETIN 737-32A1599