# N443WN: 2003 Boeing 737-7H4 - Status: Valid registration - Airframe: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (registry code 1384404, 143 seats) - Engine: [CFM International CFM56 series](https://openairdocs.org/engine/cfm-international-cfm56-series) (registry code 13802) - Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) (The Boeing Company) (OpenAirDocs) - Serial number: 29838 - Year built: 2003 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: September 2, 2003 - Certificate issued: November 3, 2003 - Expires: November 30, 2028 - Mode S code: A557C3 - 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=443WN - Page: https://openairdocs.org/aircraft/N443WN 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 model are included. ## ADs that may apply (OpenAirDocs): 55 in force ### Matched by airframe (Boeing 737-7H4) None in force. ### Matched by engine (CFM International CFM56 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 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 2021-16-08](https://openairdocs.org/ad/2021-16-08): Turbine Section · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/P and 55 more. Effective Sep 28, 2021 - [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 2017-14-08](https://openairdocs.org/ad/2017-14-08): Turbine Engine Compressor Section · CFM International CFM56-3, CFM56-3B and CFM56-3C. Effective Aug 18, 2017 - [AD 2017-05-09](https://openairdocs.org/ad/2017-05-09): Accessory Gearboxes · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/3 and 33 more. Effective Apr 13, 2017 - [AD 2016-14-10](https://openairdocs.org/ad/2016-14-10): High-pressure turbine (HPT) disks · CFM International CFM56-3, CFM56-3B and CFM56-3C with STC SE00034EN. Effective Aug 9, 2016 - [AD 2016-02-04](https://openairdocs.org/ad/2016-02-04): Turbine rear frames (TRFs) · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/3 and 33 more. Effective Mar 1, 2016 - [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 2013-14-06](https://openairdocs.org/ad/2013-14-06): Hydro-mechanical unit (HMU) fuel control · CFM International CFM56-5, CFM56-5B1, CFM56-5B1/2P and 34 more. Effective Sep 3, 2013 - [AD 2012-02-03](https://openairdocs.org/ad/2012-02-03): Engine · CFM International CFM56-5B1/3, CFM56-5B2/3, CFM56-5B3/3 and 8 more. Effective Mar 15, 2012 - [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 2010-12-03](https://openairdocs.org/ad/2010-12-03): Fan blades · CFM International CFM56-3 and CFM56-3B. Effective Jul 13, 2010 - [AD 2010-09-14](https://openairdocs.org/ad/2010-09-14): Exhaust gas temperature (EGT) · CFM International CFM56-5B1/2P, CFM56-5B1/P, CFM56-5B2/2P and 16 more. Effective Jun 8, 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 2009-18-01](https://openairdocs.org/ad/2009-18-01): LP turbine rear frames · CFM International CFM56-5B1/3, CFM56-5B1/P, CFM56-5B2/3 and 19 more. Effective Oct 1, 2009 - [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 2008-03-09](https://openairdocs.org/ad/2008-03-09): Low pressure turbine rear frames (TRFs) · CFM International CFM56-7B18, CFM56-7B20, CFM56-7B22 and 10 more. Effective Mar 10, 2008 - [AD 2007-24-04](https://openairdocs.org/ad/2007-24-04): Low pressure turbine (LPT) · CFM International CFM56-5C4/1. Effective Dec 6, 2007 - [AD 2007-03-15](https://openairdocs.org/ad/2007-03-15): Exhaust gas temperature (EGT) harness · CFM International CFM56-5, CFM56-5B1, CFM56-5B1/2P and 34 more. Effective Mar 19, 2007 - [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 - [AD 2005-10-05](https://openairdocs.org/ad/2005-10-05): Air turbine starters · CFM International CFM56-5, CFM56-5B1, CFM56-5B1/2P and 50 more. Effective Jun 14, 2005 - [AD 97-09-02 R3](https://openairdocs.org/ad/97-09-02-R3): High pressure turbine rotor (HPTR) front shafts · CFM International CFM56-5C2, CFM56-5C3/G and CFM56-5C4. Effective Oct 14, 2004 - [AD 2004-10-13](https://openairdocs.org/ad/2004-10-13): Service main fuel pumps · CFM International CFM56-3, CFM56-5, CFM56-5-A1/F and 4 more. Effective Jun 24, 2004 - [AD 2002-22-12](https://openairdocs.org/ad/2002-22-12): Titeflex hoses · BAE Systems ATP, Avro 146-RJ100A, Avro 146-RJ70A and 122 more. Effective Dec 13, 2002 - [AD 2002-16-18](https://openairdocs.org/ad/2002-16-18): Low pressure turbine (LPT) nozzle segments · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/P and 33 more. Effective Sep 18, 2002 - [AD 2002-13-03](https://openairdocs.org/ad/2002-13-03): Turbofan Engines · CFM International CFM56-2, CFM56-2A, CFM56-2B and 55 more. Effective Aug 1, 2002 - [AD 2002-02-13](https://openairdocs.org/ad/2002-02-13): Magnetic Drain Plug · CFM International CFM56-5, CFM56-5-A1/F, CFM56-5A4 and 33 more. Effective Mar 21, 2002 - [AD 2001-11-05](https://openairdocs.org/ad/2001-11-05): No. 4 Bearings · CFM International CFM56-2, CFM56-2B, CFM56-3 and 45 more. Effective Jun 11, 2001 - [AD 2001-09-17](https://openairdocs.org/ad/2001-09-17): Fuel Manifold and CJ9L Harness · CFM International CFM56-5C2, CFM56-5C2/4, CFM56-5C2/F and 13 more. Effective May 14, 2001 - [AD 2001-04-06](https://openairdocs.org/ad/2001-04-06): Fan Disk · CFM International CFM56-3, CFM56-3B and CFM56-3C. Effective Apr 4, 2001 - [AD 2001-02-12](https://openairdocs.org/ad/2001-02-12): On-Wing Torque Inspection · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B22 and 11 more. Effective Feb 14, 2001 - [AD 2000-15-01](https://openairdocs.org/ad/2000-15-01): Fuel Leakage · CFM International CFM56-2, CFM56-2A, CFM56-2B and 39 more. Effective Oct 2, 2000 - [AD 2000-05-22](https://openairdocs.org/ad/2000-05-22): CFM International CFM56-2, CFM56-2A, CFM56-2B and 3 more. Effective May 2, 2000 - [AD 99-06-16](https://openairdocs.org/ad/99-06-16): High Pressure Turbine Rotor (HPTR) Front Air Seal · CFM International CFM56-5, CFM56-5-A1/F, CFM56-5A4 and 3 more. Effective Apr 21, 1999 - [AD 98-21-23](https://openairdocs.org/ad/98-21-23): Electronic Engine Control · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B22 and 10 more. Effective Nov 2, 1998 - [AD 98-19-20](https://openairdocs.org/ad/98-19-20): Hydromechanical Unit · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B22 and 7 more. Effective Oct 7, 1998 - [AD 98-14-51](https://openairdocs.org/ad/98-14-51): Accessory Gearbox · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B22 and 10 more. Effective Oct 1, 1998 - [AD 98-19-10](https://openairdocs.org/ad/98-19-10): Accessory Gearbox · CFM International CFM56-3, CFM56-3B and CFM56-3C. Effective Sep 28, 1998 - [AD 98-12-32](https://openairdocs.org/ad/98-12-32): High Pressure Turbine Rotor Disks · CFM International CFM56-2, CFM56-2A, CFM56-2B and 3 more. Effective Jul 20, 1998 - [AD 98-10-11](https://openairdocs.org/ad/98-10-11): Accessory Gearbox · CFM International CFM56-3, CFM56-3B, CFM56-3C and 31 more. Effective Jun 3, 1998 - [AD 98-07-02](https://openairdocs.org/ad/98-07-02): Air/oil Seal · CFM International CFM56-3, CFM56-3B and CFM56-3C. Effective Mar 30, 1998 - [AD 98-02-04](https://openairdocs.org/ad/98-02-04): Low Pressure Turbine Case · CFM International CFM56-5B1/2P, CFM56-5B2/2P, CFM56-5B3/2P and 1 more. Effective Mar 23, 1998 - [AD 89-23-06 R1](https://openairdocs.org/ad/89-23-06-R1): Magnetic Chip Detector · CFM International CFM56-2, CFM56-2A, CFM56-3 and 8 more. Effective Jan 28, 1998 - [AD 97-08-01](https://openairdocs.org/ad/97-08-01): Fan Disks · CFM International CFM56-3, CFM56-3B and CFM56-3C. Effective Jun 23, 1997 - [AD 97-06-01](https://openairdocs.org/ad/97-06-01): High Pressure Compressor Rotor (HPCR) Stage 1-2 Spool · CFM International CFM56-5, CFM56-5B1, CFM56-5B1/2P and 28 more. Effective Jun 3, 1997 - [AD 97-05-13](https://openairdocs.org/ad/97-05-13): Air Turbine Engine Starter · CFM International CFM56-5, CFM56-5-A1/F, CFM56-5A4 and 3 more. Effective Jun 3, 1997 - [AD 96-25-11](https://openairdocs.org/ad/96-25-11): Redesigned Fan Blades · CFM International CFM56-3B and CFM56-3C. Effective Jan 29, 1997 ### 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 2019-12-05](https://openairdocs.org/ad/2019-12-05) (historical): Turbine Section · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/P and 39 more. Effective Jul 5, 2019 - [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 - [AD 2013-02-02](https://openairdocs.org/ad/2013-02-02) (historical): High-pressure turbine (HPT) disks · CFM International CFM56-3, CFM56-3B and CFM56-3C with STC SE00034EN. Effective Jan 28, 2013 - [AD 2009-01-01](https://openairdocs.org/ad/2009-01-01) (historical): Exhaust gas temperature (EGT) · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/P and 22 more. Effective Dec 31, 2008 - [AD 97-09-02 R2](https://openairdocs.org/ad/97-09-02-R2) (historical): Low pressure turbine rotor (LPTR) · CFM International CFM56-5C2, CFM56-5C2/4, CFM56-5C2/F and 9 more. Effective Apr 29, 2003 - [AD 2003-02-04](https://openairdocs.org/ad/2003-02-04) (historical): Exhaust gas temperature (EGT) · CFM International CFM56-5 Series (all). Effective Feb 27, 2003 - [AD 97-09-02 R1](https://openairdocs.org/ad/97-09-02-R1) (historical): High Pressure Turbine rotor (HPTR) front shaft · CFM International CFM56-5C2/G, CFM56-5C2/G4, CFM56-5C3/G and 3 more. Effective Sep 24, 2002 - [AD 2001-17-14](https://openairdocs.org/ad/2001-17-14) (historical): LPT Conical Supports · CFM International CFM56-5C4/1. Effective Sep 7, 2001 - [AD 2001-08-51](https://openairdocs.org/ad/2001-08-51) (historical): Fuel leakage · CFM International CFM56-5 Series (all) - [AD 2000-12-01](https://openairdocs.org/ad/2000-12-01) (historical): Critical Life-Limited Parts · CFM International CFM56-2, CFM56-2A, CFM56-2B and 54 more. Effective Dec 11, 2000 - [AD 99-08-16](https://openairdocs.org/ad/99-08-16) (historical): CFM International CFM56-2, CFM56-2A, CFM56-2B and 3 more. Effective May 13, 1999 - [AD 97-09-02](https://openairdocs.org/ad/97-09-02) (historical): High/Low Pressure Turbine Rotor · CFM International CFM56-5C2/G, CFM56-5C2/G4, CFM56-5C3/G and 3 more. Effective Jun 30, 1997 All 71: https://openairdocs.org/aircraft/N443WN/ads.md ## Information bulletins (advisory) (4 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-13-33R2](https://openairdocs.org/saib/NE-13-33R2): Turbine Engine Air Inlet Section - LP Turbine, Stage 1 Nozzle Vanes. Issued Jan 28, 2014 - [SAIB NE-12-29](https://openairdocs.org/saib/NE-12-29): Engine Fuel Distribution CFM56-5B LPTACC Fuel Manifold. Issued Apr 27, 2012 - [SAIB NE-06-02](https://openairdocs.org/saib/NE-06-02): . Issued Oct 18, 2005 - [SAIB NE-13-33R1](https://openairdocs.org/saib/NE-13-33R1) (historical): Turbine Engine Air Inlet Section - LP Turbine, Stage 1 Nozzle Vanes. Issued Jun 24, 2013 - [SAIB NE-13-33](https://openairdocs.org/saib/NE-13-33) (historical): Turbine Engine Air Inlet Section - LP Turbine, Stage 1 Nozzle Vanes. Issued May 13, 2013 - [SAIB NE-08-17R2](https://openairdocs.org/saib/NE-08-17R2) (historical): Turbine Section - Propulsion Technology LLC Unapproved Repair. Issued Mar 7, 2011 - [SAIB NE-08-17R1](https://openairdocs.org/saib/NE-08-17R1) (historical): Propulsion Technology LLC Unapproved Repair. Issued May 22, 2008 - [SAIB NE-08-17](https://openairdocs.org/saib/NE-08-17) (historical): Propulsion Technologies International Unapproved Repair. Issued May 14, 2008 ## NTSB investigations None matched to N443WN. ## FAA accident and incident reports None matched to N443WN. ## Service difficulty reports (317, 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 SWAA2026101935111](https://openairdocs.org/sdr/SWAA2026101935111), Oct 13, 2026: LAMP. INOPERATIVE. EMERGENCY LIGHT AT ROW 21DEF INOPERATIVE. REPLACED THE LAMPS IAW AMM 33-51-03. OPS CHKD OKAY. - [SDR SWAA2026100588044](https://openairdocs.org/sdr/SWAA2026100588044), Oct 1, 2026: UNKNOWN. SMOKE. SMALL PATCH OF VISIBLE WHITE SMOKE AND FUMES BTWN CA HEAD & IPAD. DID NOT CONTINUE AND NO OTHER INDICATIONS OF SMOKE OR FUMES THE REMAINER OF FLIGHT. DURATION W - [SDR SWAA2026100128693](https://openairdocs.org/sdr/SWAA2026100128693), Sep 27, 2026: ENGINE. SMOKE. NO LIGHT OFF NR 1 ENGINE USING RT IGNITION, AIRCRAFT BEHIND US INDICATED SMOKE COMING FROM NR 1 ENGINE. PERFORMED FIM TASK 80-06 TASK 804. NO RECENT FAULTS AND - [SDR SWAA2026090858400](https://openairdocs.org/sdr/SWAA2026090858400), Sep 4, 2026: BATTERY. INOPERATIVE. FWD MEGAPHONE WILL NOT WORK. IAW AMM 25-64-00 R & R THE BATTERY. OK FOR SERVICE. - [SDR SWAA2026052205502](https://openairdocs.org/sdr/SWAA2026052205502), May 21, 2026: LAMP. INOPERATIVE. EMERGENCY LIGHT AT SEAT ROW 15ABC INOPERATIVE. RELAMPED EMERGENCY LIGHT AT SEAT ROW 15 ABC WDM 33-51-22. PERFORMED SATISFACTORY OPS CHECK IAW AMM 33-51-00-710-8 - [SDR SWAA2026052695211](https://openairdocs.org/sdr/SWAA2026052695211), May 3, 2026: SKIN. CRACKED. FOUR CRACKS FOUND BETWEEN BS 727A - 727D APPROX. 3IN ABOVE STR14. FUSELAGE CRACK AT BS727A REF TTG8Q01BZCXU; FUSELAGE CRACKED AT BS727D REF TTG8Q01BZCYB; FUSELA - [SDR SWAA2026052694951](https://openairdocs.org/sdr/SWAA2026052694951), May 2, 2026: SKIN. CRACKED. FUSELAGE HAS A .45 VERTICAL CRACK AT BS 727A; APPROX. 3 ABOVE STR 14R; VERIFIED WITH HFEC PER NDT PART 6; 51-00-00 PROCEDURE 23 AND FLUORESCENT PENETRANT INSPEC - [SDR SWAA2026052694952](https://openairdocs.org/sdr/SWAA2026052694952), May 2, 2026: SKIN. CRACKED. FUSELAGE HAS A .95 VERTICAL CRACK AT BS 727B; APPROX. 3 ABOVE STR 14R. VERIFIED WITH HFEC PER NDT PART 6; 51-00-00 PROCEDURE 23 AND FLUORESCENT PENETRANT INSPEC - [SDR SWAA2026052694953](https://openairdocs.org/sdr/SWAA2026052694953), May 2, 2026: SKIN. CRACKED. FUSELAGE HAS A .50 VERTICAL CRACK AT BS 727D APPROX. 3 ABOVE STR 14R; VERIFIED WITH HFEC PER NDT PART 6; 51-00-00 PROCEDURE 23 AND FLUORESCENT PENETRANT INSPECT - [SDR SWAA2026052694954](https://openairdocs.org/sdr/SWAA2026052694954), May 2, 2026: SKIN. CRACKED. FUSELAGE HAS A .72 VERTICAL CRACK AT BS 727E APPROX. 3 ABOVE STR 14R. VERIFIED WITH HFEC PER NDT PART6; 51-00-00 PROCEDURE 23 AND FLUORESCENT PENETRANT INSPECTI - [SDR SWAA2026052694660](https://openairdocs.org/sdr/SWAA2026052694660), May 2, 2026: SKIN. CRACKED. SUSPECTED CRACK AT BS727A AND APPROX 3IN ABOVE S14R. REQUEST TO HAVE PAINT REMOVED TO VERIFY. REMOVED PAINT FROM BS727A APPROX 3 IN ABOVE STR14R
REF AMM 51-2 - [SDR SWAA2026052694661](https://openairdocs.org/sdr/SWAA2026052694661), May 2, 2026: SKIN. CRACKED. SUSPECTED CRACK AT BS727B AND APPROX 3IN ABOVE STR14R. REQUEST TO HAVE PAINT REMOVED TO VERIFY. REMOVED THE PAINT AT BS727B AND APPROX 3IN ABOVE STR14R REF AMM - [SDR SWAA2026052694663](https://openairdocs.org/sdr/SWAA2026052694663), May 2, 2026: SKIN. CRACKED. SUSPECTED CRACK AT BS 727D AND APPROX 3IN ABOVE S14R. REMOVED THE PAINT AT BS727D AND APPROX 3IN ABOVE STR14R REF AMM 51-21-11. COMPLIED WITH HFEC INSPECTION PE - [SDR SWAA2026052694664](https://openairdocs.org/sdr/SWAA2026052694664), May 2, 2026: SKIN. CRACKED. SUSPECTED CRACK AT BS 727E AND APPROX 3IN ABOVE S14R. REQUEST TO HAVE PAINT REMOVED TO VERIFY. REMOVED THE PAINT AT BS727E AND APPROX. 3IN ABOVE STR14R REF AMM - [SDR SWAA2026022673941](https://openairdocs.org/sdr/SWAA2026022673941), Feb 24, 2026: FLASHLIGHT ASSY. NO TEST. AFT LEFT FLASHLIGHT WILL NOT TEST. REMOVED AND REPLACED AFT LEFT EMERGENCY FLASHLIGHT, BATTERY, AND MOUNTING BRACKET. OPS CHECKED GOOD. ALL WORK PERFORMED IAW A - [SDR SWAA2025070787513](https://openairdocs.org/sdr/SWAA2025070787513), Jul 1, 2025: BATTERY PACK. INOPERATIVE. EMERGENCY EXIT BATTERY PACK M1670 WILL NOT CHARGE. REPLACED EMERGENCY BATTERY PACK M1670 AND ACCOMPLISHED OPS CHECK IAW AMM 33-51-960-805. TEST GOOD. - [SDR SWAA2025070778542](https://openairdocs.org/sdr/SWAA2025070778542), Jun 5, 2025: STRINGER. CRACKED. REF. TTG8Q012Z7GR CRACK INDICATION NOTED AT STR. 1 BETWEEN 727A +10 AND 727A +12 (FWD OF WIFI DOUBLER) HIGHEST READING NOTED OF 67 % FSH WITH PAINT.<[01] DAMAGE - [SDR SWAA2025070778969](https://openairdocs.org/sdr/SWAA2025070778969), Jun 5, 2025: STRINGER. CRACKED. CRACK INDICATION NOTED AT STR 1 BETWEEN 767+6 AND 767+8(AFT OF WIFI DOUBLER) HIGHEST READING NOTED OF 58% FSH WITH PAINT. REMOVED AND REPAIRED DAMAGE AT STR 1 B - [SDR SWAA2025060977774](https://openairdocs.org/sdr/SWAA2025060977774), Jun 4, 2025: SKIN. CRACKED. CRACK INDICATION NOTED AT STR 1 BETWEEN 727A+10 AND 727A+12(FWD OF WIFI DOUBLER). HIGHEST READING NOTED OF 67% FSH WITH PAINT. APPLIED PAINT STRIPPER TO DESIGNA - [SDR SWAA2025060977775](https://openairdocs.org/sdr/SWAA2025060977775), Jun 4, 2025: SKIN. CRACKED. CRACK INDICATION NOTED AT STR 1 BETWEEN 767+6 AND 767+8(AFT OF WIFI DOUBLER) HIGHEST READING NOTED OF 58% FSH WITH PAINT. APPLIED PAINT STRIPPER TO DESIGNATED L - [SDR SWAA2025043064611](https://openairdocs.org/sdr/SWAA2025043064611), Apr 27, 2025: LAMP. INOPERATIVE. R1 DOOR EMERGENCY EXIT SLIDE LIGHT INOP.<[01] RE-LAMPED SAID LIGHT ASSY PER AMM 33-51-04. OPS CHK OK. - [SDR SWAA2025042222843](https://openairdocs.org/sdr/SWAA2025042222843), Apr 8, 2025: SHIELD. CORRODED. DOT A24-98 AFT PIT SHIELD FORWARD OF DOOR CUT-OUT CORRODED ON UPPER SURFACE NEAR FORWARD END. MARKED<[01] 01 - REMOVED AND REPLACED PER [SRM 51-40-02-0G-0-A0072 - [SDR SWAA2025042220669](https://openairdocs.org/sdr/SWAA2025042220669), Apr 2, 2025: HANDLE. LOOSE. L-1 DOOR INTERIOR AFT ASSIST HANDLE IS LOOSE.<[01] TIGHTEN L-1 DOOR INTERIOR AFT ASSIST HANDLE IAW AMM 25-21-31-420-802 ITEM B A-6;[02] C/W
AUDIT C/W - [SDR SWAA2025042221138](https://openairdocs.org/sdr/SWAA2025042221138), Apr 2, 2025: FILLER. BROKEN. EXTERNAL POWER DOOR MIDDLE LATCH CUTOUT HAS BROKEN FILLER SECTION FROM PREVIOUS REPAIR.<[01] 04 - REPAIRED PER [SRM 53-10-15-2R-4-A00964 (REPAIR 4 - ELECTRICAL - [SDR SWAA2025042220931](https://openairdocs.org/sdr/SWAA2025042220931), Apr 2, 2025: SLIDE. OUT OF ADJUST. CUSTOMER REQUEST TF. L-2 DOOR SLIDE CONTACTS DOOR CUTOUT WHEN CLOSING<[01] FAULT WAS RESOLVED ON WORK CARD TTG8Q00ZMHEV;[02] FAULT WAS RESOLVED ON WORK CARD TTG - [SDR SWAA2025042219927](https://openairdocs.org/sdr/SWAA2025042219927), Mar 31, 2025: BEAM. CRACKED. FWD SERVICE DOOR STRUCTURE BEAM 141A6536-14; #4 BEAM IS CRACKED IN RADIUS AT AFT HANDLE BOX MOUNT.<[01] REMOVED SERVICE DOOR BEAM #4 I/A/W SRM 51-40-02-0G-0 INS - [SDR SWAA2025042220079](https://openairdocs.org/sdr/SWAA2025042220079), Mar 31, 2025: SUPPORT. CRACKED. (DOT 147-14) MAIN CABIN FLOOR SUPPORT EXPANSION BETWEEN BL 0 AND LBL 25 AT STA 540 HAS CRACK IN I/B SIDE <[01]. 04 - REPAIRED PER [SRM 51-40-02-0G-0-A00729 (GEN - [SDR SWAA2025042220080](https://openairdocs.org/sdr/SWAA2025042220080), Mar 31, 2025: FLOORBEAM. CRACKED. (DOT 147-13) MAIN CABIN FLOOR SUPPORT EXPANSION BETWEEN BL 0 AND RBL 25 AT STA 540 HAS CRACK IN I/B SIDE<[01] 01 - REMOVED AND REPLACED PER [SRM 51-40-02-0G-0-A - [SDR SWAA2025042220075](https://openairdocs.org/sdr/SWAA2025042220075), Mar 31, 2025: PLATE. CRACKED. DOT#02 A-043 LH WING T/E WAFFLE PLATE CRACKED AT INBD FASTENER WS 302.50<[01] REMOVED AND REPLACED WAFFLE PLATE ON LH WING WS 302.50 I.A.W. SRM 51-40-02-0G-0 AN - [SDR SWAA2025042219649](https://openairdocs.org/sdr/SWAA2025042219649), Mar 30, 2025: BRACKET. CRACKED. LEFT WING TRAILING EDGE; INBOARD OF DEFLECTION CONTROL RIB; WEB BULB SEAL RETAINER BRACKET CRACKED AT UPPER 2 EA. BOLTS.<[01] 04 - REPAIRED PER [SRM 51-40-02-0G - [SDR SWAA2025042219655](https://openairdocs.org/sdr/SWAA2025042219655), Mar 30, 2025: ANGLE. CRACKED. (A204 DOT 3) RH WING TRAILING EDGE CAVITY. 1 INCH INBOARD OF DEFLECTION CONTROL RIB. AND 24 INCHES FWD OF PANEL TRAILING EDGE. LATTERAL SUPPORT ANGLE IS CRACKED - [SDR SWAA2025042219650](https://openairdocs.org/sdr/SWAA2025042219650), Mar 30, 2025: RIB. CRACKED. (A204 DOT 4) RH WING TRAILING EDGE CAVITY; 24 INCHES FORWARD OF PANEL TRAILING EDGE. ATTACH ANGLE COMMON TO DEFLECTION CONTROL RIB IS CRACKED AT LOWER OUTBOARD - [SDR SWAA2025042219647](https://openairdocs.org/sdr/SWAA2025042219647), Mar 29, 2025: SKIN. CRACKED. #2 SLAT; LOWER SKIN AT ACTUATOR ATTACHMENT; 2 RIVETS FOUND LOOSE WITH VISIBLE EVIDENCE OF SKIN CRACKS PROPOGATING FROM THE HOLES<[01] REPAIRED #2 SLAT; LOWER SK - [SDR SWAA2025012087523](https://openairdocs.org/sdr/SWAA2025012087523), Jan 19, 2025: BATTERY. NO TEST. AFT FA MEGAPHONE WILL NOT TEST<[01] REPLACED AFT FA FLASHLIGHT BATTERY PER AMM25-64-00 - [SDR SWAA2024083031015](https://openairdocs.org/sdr/SWAA2024083031015), Aug 27, 2024: BATTERY PACK. INOPERATIVE. L/H OVERWING EMER EXIT LIGHTS INOP<[01] REMOVED AND REPLACED LH OVERWING EMER EXIT LIGHTS BATTERY PACK M1668 AT STA 603 IAW AMM 33-51-06. OPS CHECK OK - [SDR SWAA2024082628295](https://openairdocs.org/sdr/SWAA2024082628295), Aug 21, 2024: BATTERY PACK. FAILED. M1675 BATTERY PACK FAILED CAPACITY CHECK.<[01] R&R M1675 BATTERY PACK REF AMM 33-51-06. - [SDR SWAA2024082628288](https://openairdocs.org/sdr/SWAA2024082628288), Aug 21, 2024: BATTERY PACK. FAILED. M1668; M1670; M1673; M1672; M1669; M1674 BATTERY PACKS FAILED CAPACITY CHECK.<[01] R&R BATTERY PACKS M1668; M1670; M1673; M1672; M1669; M1674 REF AMM 33-51-06. - [SDR SWAA2024082628294](https://openairdocs.org/sdr/SWAA2024082628294), Aug 21, 2024: BRACKET. LOOSE. FWD SERVICE DOOR (R1) FWD GIRT BAR HANGER BRACKET LOOSE ON SLIDE SHROUD<[01] SQUEEZED RIVETS FOR FWD SERVICE DOOR (R 1) FWD GIRT BAR HANGER BRACKET ON SLIDE SHR - [SDR SWAA2024082628287](https://openairdocs.org/sdr/SWAA2024082628287), Aug 21, 2024: BRACKET. LOOSE. FWD ENTRY DOOR (L1) FWD GIRT BAR HANGER BRACKET LOOSE ON SLIDE SHROUD<[01] SQUEEZED RIVETS FOR FWD ENTRY DOOR (L1) FWD GIRT BAR HANGER BRACKET ON SLIDE SHROUD P - [SDR SWAA2024082628296](https://openairdocs.org/sdr/SWAA2024082628296), Aug 21, 2024: DOUBLER. MISSING. POWER RECEPTACLE CUT OUT; AFT DOUBLER MISSING HALF [TTG8Q00VCS16] RII REQUIRED<[01] 01 - REMOVED AND REPLACED PER [SRM 51-40-02-0G-0-A00729 (GENERAL - FASTENER - [SDR SWAA2024080823954](https://openairdocs.org/sdr/SWAA2024080823954), Aug 8, 2024: LIGHT. BROKEN. FWD ENTRY DOOR EMERGENCY EXIT LIGHT COVER BROKEN<[01] MADE TEMPORARY REPAIR PER EA M-21-133-00720. OK TO CONTINUE PER TLD M-21-133-00720. A/C OK FOR SERVICE - [SDR SWAA2024040168733](https://openairdocs.org/sdr/SWAA2024040168733), Mar 29, 2024: LENS. WRONG PART. LOWER EXIT SIGN AT L1 DOOR MISSING DIRECTIONAL ARROW.<[01] R&R THE LOWER EXIT SIGN LENS AT L1 DOOR REF AMM 33-51-01. - [SDR SWAA2024040168727](https://openairdocs.org/sdr/SWAA2024040168727), Mar 29, 2024: LENS. INCORRECT. R1 DOOR LOWER EXIT SIGN IS NOT MULTI LINGUAL.<[01] R&R LOWER EXIT SIGN LENS AT R1 DOOR REF AMM 33-51-01. - [SDR SWAA2023121128623](https://openairdocs.org/sdr/SWAA2023121128623), Dec 7, 2023: SEAL. CRACKED. RH HORIZONTAL STABILIZER FWD UPPER SLIDING SEAL CRACKED.<[01] REMOVED AND REPLACED RH HORIZONTAL STABILIZER FWD UPPER SLIDING SEAL. REF AMM 53-31-31 - [SDR SWAA2023090898215](https://openairdocs.org/sdr/SWAA2023090898215), Sep 8, 2023: BATTERY PACK. INOPERATIVE. 5 EMERGENCY LIGHTS INOP AT FWD GALLEY/CABIN<[01] SWAPPED BATTERY PACK M0174 AND M01675 IAW AMM 33-51-06. PROBLEM FOLLOWED. SUSPECT BAD BATTERY AND POWER SUPPLY. - [SDR SWAA2023082893044](https://openairdocs.org/sdr/SWAA2023082893044), Aug 24, 2023: HANDLE. LOOSE. CABIN R2 DOOR CLOSE ASSIST HANDLE IS LOOSE.<[01] SECURED CABIN R2 DOOR CLOSE ASSIST HANDLE IAW AMM 52-41-31. - [SDR SWAA2023061458214](https://openairdocs.org/sdr/SWAA2023061458214), Jun 11, 2023: SLIDE. LOOSE. L1 DOOR SLIDE CAME OUT OF CONTAINER WHILE OPENING THE DOOR.<[01] C/W MT 725-61-06; REPACKED L1 DOOR SLIDE. AC OK FOR SERVICE. - [SDR SWAA2023041124439](https://openairdocs.org/sdr/SWAA2023041124439), Apr 7, 2023: HANDLE. LOOSE. ASSIST HANDLE ON L-2 DOOR LOOSE.<[01] ADJUSTED ASSIST HANDLE ON L2 DOOR AS PER REF 52-13-31-400-802;[02] VERIFIED ADJUSTMENT OF ASSIST HANDLE ON L2 DOOR AS PER - [SDR SWAA2023041223900](https://openairdocs.org/sdr/SWAA2023041223900), Apr 5, 2023: SLAT. DELAMINATED. SLAT #3 UPPER IB CORNER ON TE AREA IS DELAMINATED. .<[01] REMOVED DELAMINATED EXISTING FILLER REPAIR; AND PREPARED AREA FOR REBOUNDING NEW FILLER REPAIR ON L/W - [SDR SWAA2023041222641](https://openairdocs.org/sdr/SWAA2023041222641), Mar 31, 2023: LIGHT. DEFECTIVE. SEVERAL EMERGENCY EXIT LIGHTS DEFECTIVES THRU THE CABIN.<[01] PERFORMED EMERGENCY LIGHTS OPERATIONAL TEST AND FOUND NORMAL PER REF AMM 33-51-00-710-801;[02] VER All 317: https://openairdocs.org/aircraft/N443WN/reports.md ## STCs that may be installed (OpenAirDocs) (37) 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 737-7H4) - [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 series) - [STC SE04840NY](https://openairdocs.org/stc/SE04840NY): Installation of HarcoSemco Exhaust Gas Temperature (EGT) Electrical Harnesses in CFM56-7 engine. Kilroy Aviation LLC. Lists CFM56-7B20 - [STC SE03036CH](https://openairdocs.org/stc/SE03036CH): Application of a deep compressive stress layer using a Low Plasticity Burnishing (LPB) process on CFM56-7 Series Engines Stage 1 High Pressure Compressor (HPC) Blade Dovetails in accordance with Delta Air Lines Inc. Drawing No. 72-0396, Revision B, dated November 3, 2011, or later FAA Approved revision. Delta Air Lines Inc. Lists CFM56-7B20 - [STC SE00032EN](https://openairdocs.org/stc/SE00032EN): Installation of Pratt & Whitney (P&W) Global Material Solutions (GMS) CFM56-3 Fan/Booster Module. Pratt & Whitney. Lists CFM56-3 - [STC SE00033EN](https://openairdocs.org/stc/SE00033EN): Installation of Pratt & Whitney (P&W) Global Material Solutions (GMS) CFM56-3 High Pressure Compressor Module. Pratt & Whitney. Lists CFM56-3 - [STC SE00034EN](https://openairdocs.org/stc/SE00034EN): Installation of Pratt & Whitney (P&W) Global Material Solutions (GMS) CFM56-3 High Pressure Turbine Module. Pratt & Whitney. Lists CFM56-3 - [STC SE00035EN](https://openairdocs.org/stc/SE00035EN): Installation of Pratt & Whitney (P&W) Global Material Solutions (GMS) CFM56-3 Low Pressure Turbine Module. Pratt & Whitney. Lists CFM56-3 - [STC SE00822CH](https://openairdocs.org/stc/SE00822CH): Install AeroControlex P/N 2604880-001 variable stator feedback control cable and P/N 2604880-002 variable bleed valve feedback control cable on CFM International engines. AeroControlex Group TransDigm Inc. Lists CFM56-2 ## Related - Other Boeing 737-7H4 aircraft: https://openairdocs.org/model/boeing-737-7h4/aircraft.md - The CFM International CFM56 series engine: https://openairdocs.org/engine/cfm-international-cfm56-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.