# N8637A: 2014 Boeing 737-8H4 - Status: Valid registration - Airframe: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (registry code 138440A, 143 seats) - Engine: [CFM International CFM56-7B27E series](https://openairdocs.org/engine/cfm-international-cfm56-7b27e-series) (registry code 13078) - Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) (The Boeing Company) (OpenAirDocs) - Serial number: 42523 - Year built: 2014 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: June 25, 2014 - Certificate issued: July 16, 2014 - Expires: July 31, 2027 - Mode S code: ABDD4A - Registered owner: [Southwest Airlines Co](https://openairdocs.org/faa-owner/SOUTHWEST%20AIRLINES%20CO) - Location: [Dallas, TX](https://openairdocs.org/faa-place/TX/Dallas) - Owner type: Corporation - Owner's area on the map: 32.8326° N, 96.8491° W: Placed by OpenAirDocs at the center of ZIP code 75235, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=8637A - Page: https://openairdocs.org/aircraft/N8637A From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. The registry lists only the engine series, so ADs for every CFM International CFM56-7B27E model are included. ## ADs that may apply (OpenAirDocs): 6 in force ### Matched by airframe (Boeing 737-8H4) None in force. ### Matched by engine (CFM International CFM56-7B27E series) - [AD 2023-05-05](https://openairdocs.org/ad/2023-05-05): Turbine Engine Compressor Section · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/3 and 98 more. Effective May 10, 2023 - [AD 2018-26-01](https://openairdocs.org/ad/2018-26-01): Turbine Engine Compressor Section · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Jan 10, 2019 - [AD 2018-09-51](https://openairdocs.org/ad/2018-09-51): Engine · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Jun 7, 2018 - [AD 2015-18-04](https://openairdocs.org/ad/2015-18-04): 73-tooth gearshaft located in the engine accessory gearbox (AGB) · CFM International CFM56-3, CFM56-7B20, CFM56-7B20/2 and 47 more. Effective Oct 20, 2015 - [AD 2015-04-02](https://openairdocs.org/ad/2015-04-02): Dual engine thrust instability event · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Mar 31, 2015 - [AD 2009-11-02](https://openairdocs.org/ad/2009-11-02): HPC 4-9 spools · CFM International CFM56-2, CFM56-2A, CFM56-2B and 109 more. Effective Jun 23, 2009 ### Historical (superseded or no longer in force) - [AD 2021-10-09](https://openairdocs.org/ad/2021-10-09) (historical): Turbine Engine Compressor Section · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/3 and 82 more. Effective Jun 24, 2021 - [AD 2018-18-01](https://openairdocs.org/ad/2018-18-01) (historical): Turbine Engine Compressor Section · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Oct 16, 2018 - [AD 2018-10-11](https://openairdocs.org/ad/2018-10-11) (historical): Turbine Engine Compressor Section · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Jun 1, 2018 - [AD 2018-09-10](https://openairdocs.org/ad/2018-09-10) (historical): Turbine Engine Compressor Section · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective May 14, 2018 - [AD 2013-26-01](https://openairdocs.org/ad/2013-26-01) (historical): Oil dynamic seal assembly · CFM International CFM56-3, CFM56-3B, CFM56-3C and 52 more. Effective Feb 3, 2014 ## Information bulletins (advisory) (1 in force) - [SAIB NE-08-17R3](https://openairdocs.org/saib/NE-08-17R3): Turbine Section - Propulsion Technology LLC Unapproved Repair. Issued May 28, 2014 - [SAIB NE-08-17R2](https://openairdocs.org/saib/NE-08-17R2) (historical): Turbine Section - Propulsion Technology LLC Unapproved Repair. Issued Mar 7, 2011 ## NTSB investigations None matched to N8637A. ## FAA accident and incident reports None matched to N8637A. ## Service difficulty reports (153, newest 50) As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR SWAA2026091624496](https://openairdocs.org/sdr/SWAA2026091624496), Sep 12, 2026: FIRE LOOP. NO TEST. CREW REPORTED, FIRE WARNING/OVERHEAT-B LOOP WILL NOT TEST, OK TO CONTINUE. PER MEL 26-2-01XB. NR 1 ENG REMOVED AND REPLACED FIRE LOOPS ENG CORE LEFT ENG FAN LOW - [SDR SWAA2026051189152](https://openairdocs.org/sdr/SWAA2026051189152), Apr 14, 2026: CHANNEL. CRACKED. CRACK ON CHANNEL OF ACCESS PANEL 443AT. REPLACED CHANNEL LOCATED ON ACCESS PANEL 443AT IAW B737-800 SRM 51-40-02 SRM 51-10-02 ITEM 9 - [SDR SWAA2026050888603](https://openairdocs.org/sdr/SWAA2026050888603), Apr 12, 2026: FLAP TRACK. CORRODED. AFTER REMOVED BEARING CORROSION FOUND ON INNER BORE OF OB AFT FLAP TRACK 2 AT LT WING. REPLACED OB AFT FLAP TRACK 2 AT LT WING IAW B737-800 AMM 27-51-26-000-801 - [SDR SWAA2026051188345](https://openairdocs.org/sdr/SWAA2026051188345), Apr 11, 2026: LENS. BROKEN. BROKEN LENS EMERGENCY EXIT LIGHT ON SIDEWALL PANEL 231ZKW AT PASSENGER CABIN. FAULT RESOLVED ON OTHER FAULT. SEE FAULT TTG8Q01BM9CP. - [SDR SWAA2026051188347](https://openairdocs.org/sdr/SWAA2026051188347), Apr 11, 2026: LENS. BROKEN. BROKEN LENS EMERGENCY EXIT LIGHT ON SIDEWALL PANEL 231ZKW AT PASSENGER CABIN. REPLACED EMERGENCY EXIT LIGHT ON SIDEWALL PANEL 231ZKW AT PASSENGER CABIN IAW AMM - [SDR SWAA2026051188148](https://openairdocs.org/sdr/SWAA2026051188148), Apr 10, 2026: SUPPORT ANGLE. CRACKED. CRACK ON SUPPORT ANGLE LOCATED BTW BS 380 TO BS 400 LBL 51 WL 208.1 AT PASSENGER CABIN REPLACED SUPPORT ANGLE AND FASTENERS LOCATED BTW BS 380 TO BS 400 LBL 51 - [SDR SWAA2026051197570](https://openairdocs.org/sdr/SWAA2026051197570), Apr 10, 2026: SUPPORT ANGLE. CRACKED. CRACK ON SUPPORT ANGLE LOCATED BTW BS 380 TO BS 400 LBL 51 WL 208.1 AT PASSENGER CABIN. REPLACED SUPPORT ANGLE AND FASTENERS LOCATED BTW BS 380 TO BS 400 LBL 51 - [SDR SWAA2026051188150](https://openairdocs.org/sdr/SWAA2026051188150), Apr 10, 2026: SUPPORT ANGLE. CRACKED. CRACK ON SUPPORT ANGLE LOCATED BTW BS 380 TO BS 400 RBL 40 WL 208.1 AT PASSENGER CABIN. REPLACED SUPPORT ANGLE AND FASTENERS LOCATED BTW BS 380 TO BS 400 RBL 40 - [SDR SWAA2026051197571](https://openairdocs.org/sdr/SWAA2026051197571), Apr 10, 2026: SUPPORT ANGLE. CRACKED. CRACK ON SUPPORT ANGLE LOCATED BTW BS 380 TO BS 400 RBL 40 WL 208.1 AT PASSENGER CABIN. REPLACED SUPPORT ANGLE AND FASTENERS LOCATED BTW BS 380 TO BS 400 RBL 40 - [SDR SWAA2026051188146](https://openairdocs.org/sdr/SWAA2026051188146), Apr 10, 2026: SUPPORT ANGLE. CRACKED. CRACK ON SUPPORT ANGLE LOCATED BTW BS 380 TO BS 400 BL 0 WL 208.1 AT PASSENGER CABIN. REPLACED SUPPORT ANGLE AND FASTENER LOCATED BTW BS 380 TO BS 400 BL 0 WL 2 - [SDR SWAA2026051197572](https://openairdocs.org/sdr/SWAA2026051197572), Apr 10, 2026: SUPPORT ANGLE. CRACKED. CRACKED SUPPORT ANGLE LOCATED BTW BS 380 TO BS 400 BL 0 WL 208.1 AT PASSENGER CABIN. REPLACED SUPPORT ANGLE AND FASTENER LOCATED BTW BS 380 TO BS 400 BL 0 WL 20 - [SDR SWAA2026051188147](https://openairdocs.org/sdr/SWAA2026051188147), Apr 10, 2026: SUPPORT ANGLE. CRACKED. CRACK ON SUPPORT ANGLE LOCATED BTW BS 380 TO BS 400 LBL 13 WL 208.1. REPLACED SUPPORT ANGLE AND FASTENERS LOCATED BTW BS 380 TO BS 400 LBL 13 WL 208.1 AT PASSEN - [SDR SWAA2026051197573](https://openairdocs.org/sdr/SWAA2026051197573), Apr 10, 2026: SUPPORT ANGLE. CRACKED. CRACK ON SUPPORT ANGLE LOCATED BTW BS 380 TO BS 400 LBL 13 WL 208.1. REPLACED SUPPORT ANGLE AND FASTENERS LOCATED BTW BS 380 TO BS 400 LBL 13 WL 208.1 AT PASSEN - [SDR SWAA2026051188149](https://openairdocs.org/sdr/SWAA2026051188149), Apr 10, 2026: SUPPORT ANGLE. CRACKED. CRACK ON SUPPORT ANGLE LOCATED BTW BS 500I TO BS 520 BL 0 WL 208.1 AT PASSENGER CABIN. REPLACED NEW SUPPORT ANGLE LOCATED BTW BS 500I TO BS 520 BL 0 WL 208.1 AT - [SDR SWAA2026051187697](https://openairdocs.org/sdr/SWAA2026051187697), Apr 8, 2026: SUPPORT. CRACKED. CRACK ANGLE OF THE OXYGEN BOTTLE SUPPORT STRUCTURE BS360 BTW STR 27R TO STR 28R AT ELECTRONIC COMPARTMENT. REPLACED ANGLE OF THE OXYGEN BOTTLE SUPPORT STRUCTURE - [SDR SWAA2026050887691](https://openairdocs.org/sdr/SWAA2026050887691), Apr 8, 2026: SUPPORT ANGLE. CRACKED. CRACKED SUPPORT ANGLE BS 500I AND STR 28L FWD CARGO COMPARTMENT. REPLACED ANGLE-SUPPORT AND FASTENERS LOC. BS 500I AND STR 28L FWD CARGO COMPARTMENT IAW SRM 51- - [SDR SWAA2026051187309](https://openairdocs.org/sdr/SWAA2026051187309), Apr 7, 2026: SUPPORT BRACKET. CRACKED. CRACK ON SUPPORT BRACKET LOCATED ON PNEUMATIC DUCT BS540 AND LBL6 AT AIR CONDITIONING BAY. REMOVED AND REPLACED NEW SUPPORT BRACKET LOCATED ON PNEUMATIC DUCT BS - [SDR SWAA2026051187310](https://openairdocs.org/sdr/SWAA2026051187310), Apr 7, 2026: ANGLE. CRACKED. CRACK ON ANGLE LOCATED BS663 UPPER POSITION RBL37. REPLACED ANGLE UPPER CHORD LOCATED INTERNAL AREA RT SIDE BODY STA 663.75 AND RBL 6 TO RBL 63 AT AIR CONDITION - [SDR SWAA2026051186947](https://openairdocs.org/sdr/SWAA2026051186947), Apr 6, 2026: FLOOR SUPPORT. CORRODED. CORROSION ON INTERCOSTAL LOCATED BTW BS 947.5 TO BS 967 LBL 48 WL 208.1 AT AFT GALLEY. REPLACED INTERCOSTAL LOCATED BTW BS 947.5 TO BS 967 LBL 48 WL 208.1 AT AF - [SDR SWAA2026050886816](https://openairdocs.org/sdr/SWAA2026050886816), Apr 6, 2026: WEB. CRACKED. CRACKED WEB LOCATED BTW BS 927 TO BS 947.5 AT LEVEL STR 25R AT AFT CARGO COMPARTMENT. REPLACED WEB LOCATED BTW BS 927 TO BS 947.5 AT LEVEL STR 25R AT AFT CARGO - [SDR SWAA2026050886817](https://openairdocs.org/sdr/SWAA2026050886817), Apr 6, 2026: FITTING. CRACKED. CRACKED FITTING LOCATED BS 947.5 AT LEVEL STR 26L AT AFT CARGO BAY REPLACED THE FITTING IAW SRM 51-40-02 SRM 51-10-02 AND DWG 149A8103 SHEET 8 REV-.MEASURE OF C - [SDR SWAA2026051186687](https://openairdocs.org/sdr/SWAA2026051186687), Apr 5, 2026: WEB. CRACKED. CRACK ON WEB LOCATED BTW BS 312 TO BS 328 RBL 31 WL 208.1 AT FWD GALLEY AREA. REPLACED WEB LOCATED BTW BS 312 TO BS 328 RBL 31 WL 208.1 AT FWD GALLEY AREA IAW S - [SDR SWAA2026051186686](https://openairdocs.org/sdr/SWAA2026051186686), Apr 5, 2026: WEB. CRACKED. CRACK ON WEB LOCATED BTW BS 312 TO BS 328 LBL 47 WL 208.1 AT FWD GALLEY AREA. REPLACED WEB WEB LOCATED BTW BS 312 TO BS 328 LBL 47 WL 208.1 AT FWD GALLEY AREA I - [SDR SWAA2026051186349](https://openairdocs.org/sdr/SWAA2026051186349), Apr 4, 2026: FRAME. CRACKED. CRACK ON FRAME LOCATED BS 312 BTW STR 5L TO STR 6L AT FWD GALLEY AREA. PERFORMED PERMANENT REPAIR FRAME LOCATED BS 312 BTW STR 5L TO STR 6L AT FWD GALLEY AREA I - [SDR SWAA2026050886350](https://openairdocs.org/sdr/SWAA2026050886350), Apr 4, 2026: TIE CLIP. CRACKED. CRACK ON TIE CLIP LOCATED BS 277 AT LEVEL STR 10R AT FWD GALLEY AREA. REPLACED TIE CLIP LOCATED BS 277 AT LEVEL STR 10R AT FWD GALLEY AREA IAW SRM 51-40-02; SRM - [SDR SWAA2026051186159](https://openairdocs.org/sdr/SWAA2026051186159), Apr 3, 2026: PLATE. CRACKED. CRACK CORRUGATED PLATE TRAILING EDGE LOCATED AT LEVEL IRSS 212 AT LT WING. REPLACED CORRUGATED PLATE IAW SRM 51-10-02 ITEM 9; SRM 51-40-02; DWG 115A2713 SHEET 6 - [SDR SWAA2026050886158](https://openairdocs.org/sdr/SWAA2026050886158), Apr 3, 2026: SUPPORT ANGLE. CRACKED. CRACK ON CARGO LINER SUPPORT ANGLE LOCATED BS 727B LBL 51 AT AFT CARGO BAY. REPAIRED CARGO LINER SUPPORT ANGLE LOCATED BS 727B LBL 51 AT AFT CARGO COMPARTMENT I - [SDR SWAA2026051185960](https://openairdocs.org/sdr/SWAA2026051185960), Apr 2, 2026: SCUFF PLATE. CRACKED. CRACK ON AFT CORNER SCUFF PLATE AT AFT CARGO COMPARTMENT. REPAIRED AFT CORNER SCUFF PLATE AT AFT CARGO COMPARTMENT IAW BOEING 737-800 SRM 53-60-15-2R-1 REPAIR 1 - [SDR SWAA2026051185788](https://openairdocs.org/sdr/SWAA2026051185788), Apr 2, 2026: ANGLE. CRACKED. CRACKED SLAT 7 O/B ANGLE OF I/B AUXILIARY TRACK AT RT WING. REPLACED ANGLE LOCATED ON SLAT 7 O/B ANGLE OF I/B AUXILIARY TRACK AT RT WING IAW SRM 51-10-02 AND SR - [SDR SWAA2026051185793](https://openairdocs.org/sdr/SWAA2026051185793), Apr 2, 2026: CROSSBEAM. CRACKED. CRACK ON BRAKE PANEL LOCATED BS 540 BTW BL 0 TO LBL 24.75 WL 208.1 AT PASSENGER CABIN. REPLACED BREAK PANEL LOCATED BS 540 BTW LBL 0 TO LBL 24.75 WL 208.1 AT PA - [SDR SWAA2026051185789](https://openairdocs.org/sdr/SWAA2026051185789), Apr 2, 2026: SUPPORT ANGLE. CRACKED. CRACK ON SUPPORT ANGLE LOCATED BS 270 LBL 1 WL 208.1 AT FLIGHT COMPARTMENT. REPLACED SUPPORT ANGLE LOCATED BS 270 LBL 1 WL 208.1 AT FLIGHT COMPARTMENT IAW SRM 5 - [SDR SWAA2026050885787](https://openairdocs.org/sdr/SWAA2026050885787), Apr 2, 2026: SUPPORT BEAM. NO DISCREPANCY. CRACKED SUPPORT BEAM NR 4 LOCATED FWD GALLEY DOOR. PERFORMED EDDY CURRENT HFEC INSPECTION ON SUPPORT BEAM #4 LOCATED FWD GALLEY DOOR. IAW NDT MANUAL PART 6 51-0 - [SDR SWAA2026050885954](https://openairdocs.org/sdr/SWAA2026050885954), Apr 2, 2026: FLOOR PANEL. DELAMINATED. DELAMINATED FLOOR PANEL 221BF AT FWD GALLEY AREA. REPAIRED FLOOR PANEL 221BF AT FWD GALLEY AREA IAW B737-800 SRM 53-00-50-2R-1 REPAIR 1. - [SDR SWAA2026051185584](https://openairdocs.org/sdr/SWAA2026051185584), Apr 1, 2026: LENS. BROKEN. BROKEN SIDEWALL PANEL 242ZAW EXIT SIGNAL LENS AT PASSENGER CABIN. REPLACED SIDEWALL PANEL 242ZAW EXIT SIGNAL LENS AT PASSENGER CABIN IAW AMM 33-51-01-960-801 ST - [SDR SWAA2026051185404](https://openairdocs.org/sdr/SWAA2026051185404), Apr 1, 2026: ANGLE. CRACKED. CRACKED ANGLE, BS 400 AND STR 26L FWD CARGO COMPARTMENT. REPLACED ANGLE BS 400 AND STR 26L FWD CARGO COMPARTMENT IAW SRM 51-10-02 ITEM 9; SRM 51-40-02 AND DWG 1 - [SDR SWAA2026051185407](https://openairdocs.org/sdr/SWAA2026051185407), Apr 1, 2026: ANGLE. CRACKED. CRACKED ANGLE, BS 500A AND STR 26R FWD CARGO COMPARTMENT. REPLACED ANGLE - BS 500A AND STR 26R FWD CARGO BAY IAW SRM 51-10-02 ITEM 9; SRM 51-40-02 AND DWG 143A7 - [SDR SWAA2026051185580](https://openairdocs.org/sdr/SWAA2026051185580), Apr 1, 2026: ACCESS PANEL. CRACKED. CRACK BLADE SUPPORT ANGLE ACCESS PANEL 333AB LT HORIZONTAL STAB. REPLACED BLADE SUPPORT ANGLE ACCESS PANEL 333AB LT HORIZONTAL STAB IAW SRM 51-10-02 ITEM 9 AND - [SDR SWAA2026051185581](https://openairdocs.org/sdr/SWAA2026051185581), Apr 1, 2026: SUPPORT ANGLE. CRACKED. CRACK ACCESS PANEL 333AT BLADE SUPPORT ANGLE LT HORIZONTAL STAB. REPLACED BLADE SUPPORT ANGLE LOCATED ON ACCESS PANEL 333AT AT LT HORIZONTAL STAB IAW SRM 51-10- - [SDR SWAA2026051185578](https://openairdocs.org/sdr/SWAA2026051185578), Apr 1, 2026: ACCESS PANEL. ELONGATED. ELONGATED HOLES ON ACCESS PANEL 661CB AT RT WING. REPAIRED ACCESS PANEL 661CB AT RT WING IAW SRM 51-70-04-2R-10 REPAIR 10. - [SDR SWAA2026051185579](https://openairdocs.org/sdr/SWAA2026051185579), Apr 1, 2026: ACCESS PANEL. ELONGATED. ELONGATED HOLE ACCESS PANEL 561CB AT LT WING. REPAIRED ACCESS PANEL 561CBAT LT WING IAW SRM 51-70-04-2R-10 REPAIR 10. - [SDR SWAA2026050885583](https://openairdocs.org/sdr/SWAA2026050885583), Apr 1, 2026: FLOOR PANEL. DELAMINATED. DELAMINATED FLOOR PANEL 231ZF AT PASSENGER CABIN. REPAIRED FLOOR PANEL 231ZF AT PASSENGER CABIN IAW SRM 53-00-50-2R-1 REPAIR 1. - [SDR SWAA2026050885402](https://openairdocs.org/sdr/SWAA2026050885402), Apr 1, 2026: ANGLE. CRACKED. CRACK ANGLE BS 500G AND STR 26R FWD CARGO COMPARTMENT. REPLACED ANGLE LOC. BS 500G AND STR 26R FWD CARGO COMPARTMENT IAW B737-800 SRM 51-40-02; SRM 51-10-02 ITE - [SDR SWAA2026050885406](https://openairdocs.org/sdr/SWAA2026050885406), Apr 1, 2026: ANGLE. CRACKED. CRACKED ANGLE BS 500H AND STR 26L FWD CARGO COMPARTMENT. REPLACED ANGLE LOC. BS 500H AND STR 26L AT FWD CARGO COMPARTMENT IAW B737-800 SRM 51-10-02 ITEM 9 AND S - [SDR SWAA2026051185072](https://openairdocs.org/sdr/SWAA2026051185072), Mar 31, 2026: SUPPORT ANGLE. CRACKED. CRACK SLAT 1 I/B SUPPORT ANGLE OF I/B AUXILIARY TRACK AT LT WING. REPLACED SUPPORT ANGLE OF I/B AUXILIARY TRACK AT LT WING IAW SRM 51-10-02 PARAGRAPH 9; SRM 51- - [SDR SWAA2026050884231](https://openairdocs.org/sdr/SWAA2026050884231), Mar 29, 2026: GIRT BAR. DETERIORATED. DETERORATED HARWARE GIR BAR FITTING ON FWD ENTRY DOOR AT FWD GALLEY AREA. REPLACED HARDWARE OF GIRT BAR FITTING ON FWD ENTRY DOOR AT FWD GALLEY AREA IAW AMM 25- - [SDR SWAA2026050884234](https://openairdocs.org/sdr/SWAA2026050884234), Mar 29, 2026: GIRT BAR. DETERIORATED. DETERIORATED HARDWARE ENTRY AND SERVICE GIRT BAR FITTING AT ATF GALLEY AREA. REPLACED HARDWARE AFT ENTRY DOOR AND AFT SERVICE DOOR GIRT BAR FITTING AT AFT GALLE - [SDR SWAA2026022774675](https://openairdocs.org/sdr/SWAA2026022774675), Feb 26, 2026: HANDLE. BROKEN. R1 DOOR ASSIST HANDLE BROKE. REPLACED DOOR HANDLE IAW AMM 52-11-31. - [SDR SWAA2026022072154](https://openairdocs.org/sdr/SWAA2026022072154), Feb 19, 2026: LAMP. INOPERATIVE. CAPT SIDE FWD OVERWING EMERGENCY EXIT LIGHT INOPERATIVE. REPLACED THE LAMPS IAW AMM 33-51-04. OPS TESTED GOOD. - [SDR SWAA2026020666247](https://openairdocs.org/sdr/SWAA2026020666247), Jan 30, 2026: BATTERY PACK. INOPERATIVE. L2 EMERGENCY LIGHTS INOPERATIVE. REMOVED AND REPLACED THE BATTERY PACK IAW AMM 33-51-06-960-805-NG. - [SDR SWAA2026020663613](https://openairdocs.org/sdr/SWAA2026020663613), Jan 22, 2026: BATTERY PACK. NO TEST. FOUND BOTH OVERWING EMERGENCY EXIT LIGHT BATTERY PACKS FAILED AN OPS CHECK. REMOVED AND REPLACED EMERGENCY BATTERY PACKS M1694 AND M1695 IAW AMM 33-51-06-960-80 All 153: https://openairdocs.org/aircraft/N8637A/reports.md ## STCs that may be installed (OpenAirDocs) (31) Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do. ### Approved for the airframe (Boeing 737-8H4) - [STC ST00555AT](https://openairdocs.org/stc/ST00555AT): Installation of Airshow 210 system. AIRCRAFT RECONFIG TECHNOLOGIES, LLC. Lists 737 Series - [STC SA4842SW](https://openairdocs.org/stc/SA4842SW): Modification of air to air heat exchanger (P/N 182820-2 Series 2). Honeywell International Inc. Lists 737 Series - [STC SA270NW](https://openairdocs.org/stc/SA270NW): Installation of modified seat. Aviation Technical Services. Lists 737 Series - [STC ST01162NY](https://openairdocs.org/stc/ST01162NY): Installation of Literature Pockets. Magee Plastics Company. Lists 737 Series - [STC SA2607SO](https://openairdocs.org/stc/SA2607SO): Installation of coffee maker P/N 416-1001-29. B/E Aerospace Inc. Lists 737 Series - [STC SA2608SO](https://openairdocs.org/stc/SA2608SO): Installation of rail assembly, P/N 416-0201-15. B/E Aerospace Inc. Lists 737 Series - [STC SA3058SO](https://openairdocs.org/stc/SA3058SO): Installation of coffee maker 416-0001-23 and rail assembly 416-0201-5. B/E Aerospace Inc. Lists 737 Series - [STC ST01476AT](https://openairdocs.org/stc/ST01476AT): Installation of coffee maker. B/E Aerospace Inc. Lists 737 Series - [STC ST01778AT](https://openairdocs.org/stc/ST01778AT): Installation of espresso maker p/n 3510-0066-01. B/E Aerospace Inc. Lists 737 Series - [STC SA629GL](https://openairdocs.org/stc/SA629GL): Installation of Grimes galley, Model 1545LW unit 2 and unit 4. B/E Aerospace. Lists 737 Series - [STC ST01332AT](https://openairdocs.org/stc/ST01332AT): Installation of Galley Service Carts. Champ International, Inc. Lists 737 Series - [STC ST09870SC](https://openairdocs.org/stc/ST09870SC): Installation of Mechanical Window Shades. Lou Martin & Associates. Lists 737 Series - [STC ST00033AT](https://openairdocs.org/stc/ST00033AT): Installation of a single Mode S system and provisions for a TCAS II system. General Aerospace, Inc. Lists 737 Series - [STC SA4532NM](https://openairdocs.org/stc/SA4532NM): Installation of Coltech, CTD-80 ATSCALL, enabling company calling of selected aircraft via company selected radio. Avtech Corporation. Lists 737 Series - [STC ST4532NM](https://openairdocs.org/stc/ST4532NM): Installation of Coltech CTD-80 ATSCALL, enabling company calling of selected aircraft via company selected radio. Avtech Corporation. Lists 737 Series - [STC ST00774NY](https://openairdocs.org/stc/ST00774NY): Installation of a passenger cabin Liquor/beverage service cart P/N E500170. (757-222) (767-222) (727-222) (737 SERIES 222, 291, 322, 522) (747-100 SERIES 238B). Driessen Aircraft Interior Systems USA, Inc. Lists 737 Series - [STC ST02052AT](https://openairdocs.org/stc/ST02052AT): Installation of a single Collins GNLU910A flight management system, along with global navigation satellite system sensor. General Aerospace, Inc. Lists 737 Series - [STC SA02034AT](https://openairdocs.org/stc/SA02034AT): Manufacture of tray carrier, P/N 2282-506. BFE Services. Lists 737 Series - [STC ST01968AT](https://openairdocs.org/stc/ST01968AT): Manufacture of inserts for galley stowage. JK Aerospace, Inc. Lists 737 Series - [STC SA01916AT](https://openairdocs.org/stc/SA01916AT): Manufacture of Tray Carrier P/N 1839-501. BFE Services. Lists 737 Series - [STC SA2534SO](https://openairdocs.org/stc/SA2534SO): Installation of window shades, acoustic panes and reveals. Magee Plastics Company. Lists 737 Series - [STC ST179CH](https://openairdocs.org/stc/ST179CH): Installation of cargo container curtain. Plastic Composites Corp. Lists 737 Series - [STC SA00056LA](https://openairdocs.org/stc/SA00056LA): Installation of Weber Coffeemaker, P/N 870130-415. Monogram Systems. Lists 737 Series - [STC SA6090NM](https://openairdocs.org/stc/SA6090NM): Installation of emergency vision assurance system (EVAS). VisionSafe Corporation. Lists 737 Series - [STC SA370NW](https://openairdocs.org/stc/SA370NW): Removal of passenger interior, installation of cargo compartment liners and cargo tie down equipment. Western Metal Products. Lists 737 Series - [STC SA2589CE](https://openairdocs.org/stc/SA2589CE): Install Bennetts Seat Converter Stowage Compartment on passenger seat(s). John's Aircraft and Upholstery. Lists 737 Series - [STC SA1029NW](https://openairdocs.org/stc/SA1029NW): Installation of a cargo system. Western Metal Products. Lists 737 Series - [STC SA1258EA](https://openairdocs.org/stc/SA1258EA): Installation of Cosco model78-( ) child restraint system. (172M S/N 17263459 - 17267584). Miller Stuart R. Lists 737 Series - [STC SA1052SO](https://openairdocs.org/stc/SA1052SO): Installation of GE battery P/N43B022RB36 in place of Marathon P/N CA-727-7, CA-727-20, or CA-27-20 batteries or SAFT P/N23180 batteries; or installation of GE battery P/N 43B020RB10 replacing Marathon P/N CA-727-7, CA-727-20 or CA-27-20 or SAFT P/N 23186 or 23180 batteries. General Electric Company. Lists 737 Series - [STC SA1082NW](https://openairdocs.org/stc/SA1082NW) (historical): Installation of auxiliary fuel tanks in the aft cargo compartment. (737 series -2K9A). Rogerson ATS. Lists 737 Series ### Approved for the engine (CFM International CFM56-7B27E series) - [STC SE04840NY](https://openairdocs.org/stc/SE04840NY): Installation of HarcoSemco Exhaust Gas Temperature (EGT) Electrical Harnesses in CFM56-7 engine. Kilroy Aviation LLC ## Earlier aircraft with N8637A The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N8637A before. - [Cancelled 1970-09-09](https://openairdocs.org/deregistered/N8637A-1970-09-09): Beech A35, S/N D-2047, built 1949. Owner: [Shifflett Paul R](https://openairdocs.org/faa-owner/SHIFFLETT%20PAUL%20R), [Accokeek, MD](https://openairdocs.org/faa-place/MD/Accokeek) ## Related - Other Boeing 737-8H4 aircraft: https://openairdocs.org/model/boeing-737-8h4/aircraft.md - The CFM International CFM56-7B27E series engine: https://openairdocs.org/engine/cfm-international-cfm56-7b27e-series.md --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.