# N943WN: 2010 Boeing 737-7H4 - Status: Valid registration - Airframe: Boeing 737-7H4 (registry code 1384404, TCDS A16WE (OpenAirDocs match)) - Engine: CFM International CFM56-7B24/3 series (registry code 13074) - Serial number: 36913 - Year built: 2010 - Type: Fixed wing multi engine - Airworthiness: Standard, transport - Airworthiness date: March 3, 2010 - Certificate issued: March 31, 2010 - Expires: December 31, 2029 - Mode S code: AD1A4E - Registered owner: Southwest Airlines Co - Location: Dallas, TX - 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) - Page: https://openairdocs.org/aircraft/N943WN 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. ## ADs matched by airframe (Boeing 737-7H4) (OpenAirDocs) None matched. ## ADs matched by engine (CFM International CFM56-7B24/3 series) (OpenAirDocs) - [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 2022-02-03](https://openairdocs.org/ad/2022-02-03): Turbine Engine Accessory Drive · CFM International CFM56-3, CFM56-3B, CFM56-3C and 34 more. Effective Mar 22, 2022 - [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 2010-13-09](https://openairdocs.org/ad/2010-13-09): Stage 3 low-pressure turbine (LPT) · CFM International CFM56-5, CFM56-5-A1/F, CFM56-5A4 and 88 more. Effective Jul 26, 2010 - [AD 2010-01-05](https://openairdocs.org/ad/2010-01-05): LP turbine rear frames · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 25 more. Effective Feb 18, 2010 - [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 - [AD 2006-26-01](https://openairdocs.org/ad/2006-26-01): Fuel filters · CFM International CFM56-2, CFM56-2A, CFM56-2B and 93 more. Effective Jan 3, 2007 Historical (superseded or no longer in force): AD 2021-10-09, AD 2018-18-01, AD 2018-10-11, AD 2018-09-10, AD 2013-26-01 ## Information bulletins (advisory) - [SAIB NE-08-17R3](https://openairdocs.org/saib/NE-08-17R3): Turbine Section - Propulsion Technology LLC Unapproved Repair - [SAIB NE-08-17R2](https://openairdocs.org/saib/NE-08-17R2): Turbine Section - Propulsion Technology LLC Unapproved Repair - [SAIB NE-08-17R1](https://openairdocs.org/saib/NE-08-17R1): Propulsion Technology LLC Unapproved Repair - [SAIB NE-08-17](https://openairdocs.org/saib/NE-08-17): Propulsion Technologies International Unapproved Repair ## Service difficulty reports (173) - [SDR SWAA2026091484054](https://openairdocs.org/sdr/SWAA2026091484054), Sep 10, 2026: BATTERY PACK. EMERGENCY EXIT LIGHTS AT 19DEF AND 22DEF ILLUMINATE ON AND TURN OFF WTHIN A COUPLE OF SECONDS. REMOVED AND REPLACED EMERENCY LIGHT POWER SUPPLY AND BATTERY PAC - [SDR SWAA2026091465467](https://openairdocs.org/sdr/SWAA2026091465467), Sep 10, 2026: POWER SUPPLY. EMERGENCY EXIT LIGHTS AT 19DEF AND 22DEF ILLUMINATE ON AND TURN OFF WTHIN A COUPLE OF SECONDS. REMOVED AND REPLACED EMERENCY LIGHT POWER SUPPLY AND BATTERY PA - [SDR SWAA2026072195465](https://openairdocs.org/sdr/SWAA2026072195465), Jul 20, 2026: ENGINE. NR 1 ENGINE PRODUCED FLAMES WHEN CLEARED FOR TAKE OFF. ABORTED TAKE OFF, RTG. PERFORMED FIM TASK 71-05, TASK 805, ACCOMPLISHED AFT SUMP OIL SYSTEM INSPECTION, - [SDR SWAA2026061510961](https://openairdocs.org/sdr/SWAA2026061510961), Jun 11, 2026: DOOR. RIGHT MLG CENTER DOOR IS CRACKED. REMOVED RT MLG CTR & INNER GEAR DOOR. IAW AMM 32-13-11 OK TO CONTINUE SERVICE PER CDL 32-10-3RD. INSTALLED CENTER AND INNER - [SDR SWAA2026061511134](https://openairdocs.org/sdr/SWAA2026061511134), Jun 11, 2026: ISOLATION MOUNT. CABIN FORWARD SERVICE DOOR AFT SLIDE ISOLATOR MOUNT CRACKED. R & R SLIDE ISOLATOR MOUNT IAW SRM 51-40-02. - [SDR SWAA2026061511138](https://openairdocs.org/sdr/SWAA2026061511138), Jun 11, 2026: BATTERY PACK. EMERGENCY OVERWING EXIT LIGHT M1668 BATTERY PACK FAILED A CAPACITY CHECK. R & R THE BATTERY PACK IAW AMM 33-51-06. - [SDR SWAA2025122954620](https://openairdocs.org/sdr/SWAA2025122954620), Dec 22, 2025: LIGHT. G1 GALLEY EXIT LIGHT DOESNT WORK. REMOVED AND REPLACED G1 GALLEY EXIT LIGHT IAW AMM 33-51-01-960-802 STEP (5)(D)(6)(A-E) FIGURE 202; OPERATIONAL TEST IS REQUIR - [SDR SWAA2025122954617](https://openairdocs.org/sdr/SWAA2025122954617), Dec 21, 2025: BATTERY PACK. G1 EXIT LIGHT INOPERATIVE. PERFORMED EMERGENCY LIGHTS OPERATIONAL TEST IAW AMM 33-51-00-710-801 AND TEST FAILED. UPON INVESTIGATION FOUND ALL EMERGENCY LIGHT - [SDR SWAA2025122954619](https://openairdocs.org/sdr/SWAA2025122954619), Dec 21, 2025: BATTERY PACK. EMERGENCY LIGHTS ASSOCIATED WITH BATTERY PACK M1674 DID NOT TURN ON. REPLACED THE POWER SUPPLY BATTERY PACK M1674 IAW AMM 33-51-06-960-805, AND PERFORMED GOOD - [SDR SWAA2025122954618](https://openairdocs.org/sdr/SWAA2025122954618), Dec 21, 2025: BATTERY PACK. EMERGENCY LIGHTS ASSOCIATED WITH BATTERY PACK M1670 DID NOT TURN ON. REPLACED THE POWER SUPPLY BATTERY PACK M1670 IAW AMM 33-51-06-960-805, AND PERFORMED GOOD --- From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.