# N476WN: 2004 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: 32475 - Year built: 2004 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: August 5, 2004 - Certificate issued: September 1, 2004 - Expires: May 31, 2028 - Mode S code: A5D965 - 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=476WN - Page: https://openairdocs.org/aircraft/N476WN 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/N476WN/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 N476WN. ## FAA accident and incident reports None matched to N476WN. ## Service difficulty reports (307, 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 SWAA2026101618896](https://openairdocs.org/sdr/SWAA2026101618896), Oct 12, 2026: LENS. MISSING. FO SIDE EMERGENCY EXIT LIGHT LENS MISSING. REPLACED THE EMERGENCY LIGHT LENS IAW AMM 33-51-01. - [SDR SWAA2026082489124](https://openairdocs.org/sdr/SWAA2026082489124), Aug 19, 2026: LAMP. INOPERATIVE. FWD ENTRY DOOR EXTERIOR EMERGENCY LIGHT INOP. REMOVED AND REPLACED LAMP ON FWD ENTRY DOOR EXTERIOR EMERGENCY LIGHT IAW AMM 33-51-00. - [SDR SWAA2026071019782](https://openairdocs.org/sdr/SWAA2026071019782), Jul 9, 2026: LIGHT. DELAMINATED. BLUE PHOTOLUMINESCENT STRIP DELAMINATING FWD OF PASSENGER SEAT 1D. REMOVED AND REPLACED IAW AMM 33-51-15-400-802-NG. - [SDR SWAA2026062915391](https://openairdocs.org/sdr/SWAA2026062915391), Jun 24, 2026: RIB. CRACKED. POSSIBLE CRACK INDICATION ON LT OTBD AFT FLAP INBOARD CLOSURE RIB UPPER HOLE AT 7 O'CLOCK POSITION. R & R T/E AFT FLAP LT OTBD IAW AMM 27-51-22, NO DEFECTS NOTE - [SDR SWAA2026062313638](https://openairdocs.org/sdr/SWAA2026062313638), Jun 18, 2026: FUSE. INOPERATIVE. TWO INOPERATIVE EMERGENCY LIGHTS OVERHEAD BINS 5 AND 6. REPLACED FUSES ON BOTH POWER SUPPLIES M1668 AND M1670 IAW AMM 33-51-06-960-804. TESTED OK. - [SDR SWAA2026062315122](https://openairdocs.org/sdr/SWAA2026062315122), Jun 18, 2026: FUSE. INOPERATIVE. INOPERATIVE EMERGENCY LIGHTS 2 (EA) OVERHEAD BINS 5 AND 6. REPLACED FUSES ON BOTH POWER SUPPLIES M1668 AND M1670 IAW AMM 33-51-06-960-804. TESTED OK; - [SDR SWAA2026062312885](https://openairdocs.org/sdr/SWAA2026062312885), Jun 16, 2026: SKIN. DELAMINATED. DELAMINATION ON INBOARD CORNER ON AFT FLAP OUTBOARD LT WING. EVALUATED DAMAGE ON INBOARD CORNER OF OUTBOARD AFT FLAP AT LT WING IAW SRM 57-53-01-2R-16. FOR REMO - [SDR SWAA2026062309065](https://openairdocs.org/sdr/SWAA2026062309065), Jun 3, 2026: PLATE. CRACKED. CRACK CORRUGATED PLATE TRAILING EDGE LOCATED IRSS 219 AT LT WING. REPLACED CORRUGATED PLATE LOC. ON TRAILING EDGE IRSS 219 AT LT WING IAW SRM 51-40-02-0G-0 AND - [SDR SWAA2026062309073](https://openairdocs.org/sdr/SWAA2026062309073), Jun 3, 2026: PLATE. CRACKED. CRACKED CORRUGATED PLATE TRAILING EDGE LOCATED ORSS 250 AT LT WING. PERFORMED VISUAL INSPECTION IAW SRM 51-10-04-0G-0 ON CORRUGATED PLATE TRAILING EDGE LOCATED - [SDR SWAA2026062308953](https://openairdocs.org/sdr/SWAA2026062308953), Jun 3, 2026: ANGLE. CRACKED. CRACKED ANGLE TRAILING EDGE LOCATED ORSS 271 RT WING. REPLACED ANGLE T/E LOCATED ORSS 271 RT WING IAW SRM 51-40-02-0G-0, DWG 115A2930, SHEET 6, REV-. - [SDR SWAA2026062308954](https://openairdocs.org/sdr/SWAA2026062308954), Jun 3, 2026: FASTENER. BROKEN. CRACKED CORRUGATED PLATE T/E LOCATED ORSS 261 AT RT WING. PERFORMED VISUAL INSPECTION IAW SRM 51-10-04 ON CORRUGATED PLATE T/E LOCATED ORSS 261 AT RT WING AND N - [SDR SWAA2026062308705](https://openairdocs.org/sdr/SWAA2026062308705), Jun 2, 2026: RIB. CRACKED. CRACK LEADING EDGE RIB LOCATED LE STA 86.66 RT HORIZONTAL STAB. REPLACED LEADING EDGE RIB LOCATED ON LE BS 86.66 RT HORIZONTAL STAB IAW SRM 51-10-02, PARAGRAPH - [SDR SWAA2026062308223](https://openairdocs.org/sdr/SWAA2026062308223), Jun 1, 2026: SUPPORT ANGLE. CRACKED. CRACKED SUPPORT ANGLE LOCATED BS 867 BETWEEN S-2R TO S-3R PASSENGER CABIN. REPLACED SUPPORT ANGLE BS 867 BETWEEN S2R TO S3R PASSENGER CABIN IAW SRM 51-40-02-0G- - [SDR SWAA2026062308323](https://openairdocs.org/sdr/SWAA2026062308323), Jun 1, 2026: ACCESS PANEL. DAMAGED. ELONGATED HOLE ACCESS PANEL 661BB AT RT WING. REPAIRED ACCESS PANEL 661BB AT RT WING IAW SRM 51-70-04-2R-10, REPAIR 10. - [SDR SWAA2026062308092](https://openairdocs.org/sdr/SWAA2026062308092), May 31, 2026: LIGHT. DETERIORATED. DETERIORATED PHOTOLUMINESCENT STRIP (5EA) LT SIDE. REPLACED PHOTOLUMINESCENT STRIP (5EA) LT SIDE IAW AMM 33-51-15-400-802. - [SDR SWAA2026062308093](https://openairdocs.org/sdr/SWAA2026062308093), May 31, 2026: LIGHT. DETERIORATED. DETERIORATED PHOTOLUMINESCENT STRIP (5EA) RH SIDE. REPLACED PHOTOLUMINESCENT STRIP (5EA) RT SIDE IAW AMM 33-51-15-400-802. - [SDR SWAA2026062308094](https://openairdocs.org/sdr/SWAA2026062308094), May 31, 2026: ANGLE. CRACKED. CRACKED ANGLE ACCESS PANEL 551FB AT LT WING. REPLACED ANGLE ON ACCESS PANEL 551FB AT LT WING IAW SRM 51-10-02-0G-0, PARAGRAPH 9, SRM 51-40-02-0G-0, AND DWG 115A - [SDR SWAA2026062307683](https://openairdocs.org/sdr/SWAA2026062307683), May 30, 2026: SCUFF PLATE. CRACKED. CRACKED AFT CORNER SCUFF PLATE AT AFT CARGO BAY. REPAIRED AFT CORNER SCUFF PLATE IAW SRM 53-60-15-2R-1, REPAIR 1, AND BAC 5975. - [SDR SWAA2026062307690](https://openairdocs.org/sdr/SWAA2026062307690), May 30, 2026: LENS. BROKEN. BROKEN EMERGENCY LENS OVERHEAD STOWAGE BIN ON POSITION (2) (3) (4) (5) (6) (7) (8) (10) RT SIDE IN PASSENGER CABIN. REPLACED EMERGENCY LENS OVERHEAD STOWAGE BIN - [SDR SWAA2026062307691](https://openairdocs.org/sdr/SWAA2026062307691), May 30, 2026: LENS. BROKEN. BROKEN EMERGENCY LENS OVERHEAD STOWAGE BIN ON POSITION (1) (3) (4) (5) (6) (7) (8) (9) (11) LT SIDE AT PASSENGER CABIN. REPLACED EMERGENCY LENS OVERHEAD STOWAGE - [SDR SWAA2026062307679](https://openairdocs.org/sdr/SWAA2026062307679), May 29, 2026: ANGLE. CRACKED. CRACK ANGLE FLOOR STRUCTURE LOCATED BS 694 AND RBL 24.82 AT PASSENGER CABIN. REPLACED ANGLE FLOOR STRUCTURE LOCATED BS 694 TO RBL 24.82 AT PASSENGER CABIN IAW S - [SDR SWAA2026062307678](https://openairdocs.org/sdr/SWAA2026062307678), May 29, 2026: CROSSBEAM. CRACKED. CRACK FLOOR STRUCTURE BREAK PANEL ON BS 540 BTW LBL 0.07 TO RBL 24.82. REPLACED BREAK PANEL LOCATED ON FLOOR STRUCTURE BS 540 AND BTW LBL0 TO RBL 24.82 IAW DWG - [SDR SWAA2026062307680](https://openairdocs.org/sdr/SWAA2026062307680), May 29, 2026: ANGLE. CRACKED. CRACKED ANGLE FLOOR STRUCTURE LOCATED BS 694 LBL 0.07 IN THE PASSENGER CABIN. REPLACED ANGLE FLOOR STRUCTURE LOCATED BS 694 BTW LBL 24.82 TO LBL 0.07 IAW SRM 51 - [SDR SWAA2026062307681](https://openairdocs.org/sdr/SWAA2026062307681), May 29, 2026: SKIN PANEL. CRACKED. CRACK INDICATION FOUND ON LT HORIZONTAL STAB LOWER SKIN PANEL. LOCATED AT STAB STA 193.9 RIB AND 8 INCH. FROM REAR SPAR. INBD SIDE OF RIB. ON STEP 7 AND 8. PERF - [SDR SWAA2026062307138](https://openairdocs.org/sdr/SWAA2026062307138), May 28, 2026: VAPOR BARRIER. CRACKED. CRACKED VAPOR BARRIER WEB RT SIDE AT BS 663.75 MAIN WHEEL WELL. REPAIRED VAPOR BARRIER WEB RT SIDE AT BS 663.75 MAIN WHEEL WELL COMPARTMENT IAW SRM 57-10-10-2R- - [SDR SWAA2026062307127](https://openairdocs.org/sdr/SWAA2026062307127), May 27, 2026: PRESSURE DECK. CRACKED. CRACK INDICATION FOUND ON HORIZONTAL PRESSURE DECK WEB AT LBL 31 BETWEEN BS 663 TO BS 675 IN THE MAIN WHEEL WELL. PERFORMED A PERMANENT REPAIR LOC ON HORIZONTAL - [SDR SWAA2026062306630](https://openairdocs.org/sdr/SWAA2026062306630), May 26, 2026: SKIN. CRACKED. CRACKED LOWER SURFACE OF LEADING EDGE SLAT 5 NOSE SKIN AT ACTUATOR LOC. AROUND FASTENER AT RT WING. PERFORMED PERMANENT REPAIR ON LOWER SURFACE LEADING EDGE SLA - [SDR SWAA2026062306628](https://openairdocs.org/sdr/SWAA2026062306628), May 26, 2026: SKIN. CRACKED. CRACK AROUND FASTENER LOWER SURFACE LEADING EDGE SLAT NOSE SKIN AT THE ACTUATOR FITTING SLAT 6 AT RT WING. EVALUATED LOWER SURFACE LEADING EDGE SLAT NOSE SKIN A - [SDR SWAA2025111133362](https://openairdocs.org/sdr/SWAA2025111133362), Nov 8, 2025: SIGN. INOPERATIVE. AFT FLIGHT ATTENDANT OVERHEAD CALL LIGHT INOPERATIVE. REMOVED AND REPLACED AFT EXIT SIGN ASSY IAW AMM 33-51-01. OPS CHECKED GOOD. - [SDR SWAA2025110330477](https://openairdocs.org/sdr/SWAA2025110330477), Oct 30, 2025: HANDLE. LOOSE. FA REPORTED AFTER ENTRY DOOR HANDLE LOOSE. TORQUED AND SAFETIED AFT ENTRY DOOR INTERIOR HANDLE IAW AMM 52-13-00. - [SDR SWAA2025102829340](https://openairdocs.org/sdr/SWAA2025102829340), Oct 27, 2025: TRANSMITTER. FAULTED. TRAILING EDGE FLAP SPLIT ON LANDING CONFIGURATION. REMOVED LT FLAP POSITION TRANSMITTER IAW AMM 27-58-01. REMOVED AND REPLACED THE NR 3 FLAP TRANSMISSION INBD C - [SDR SWAA2025102829372](https://openairdocs.org/sdr/SWAA2025102829372), Oct 27, 2025: SLEEVE. DAMAGED. TRAILING EDGE FLAP SPLIT ON LANDING CONFIGURATION. REMOVED AND REPLACED THE NR 3 FLAP TRANSMISSION INBD COUPLING SLEEVE & HALF IAW AMM 27-51-31 & LT POSITION TR - [SDR SWAA2025082207224](https://openairdocs.org/sdr/SWAA2025082207224), Aug 22, 2025: SLIDE. LOOSE. GIRT BAR FWD SERVICE DOOR NOT SECURE IN PLACE ON LEFT SIDE. REPACKED SLIDE AND GIRT BAR PER AMM 25-66-01. OPS CHECK GOOD. - [SDR SWAA2025082207283](https://openairdocs.org/sdr/SWAA2025082207283), Aug 22, 2025: GIRT BAR. LOOSE. GIRT BAR FWD SERVICE DOOR NOT SECURE IN PLACE ON LEFT SIDE. REPACKED SLIDE AND GIRT BAR PER AMM 25-66-01. OPS CHECK GOOD - [SDR SWAA2025081403397](https://openairdocs.org/sdr/SWAA2025081403397), Aug 12, 2025: SKIN. CRACKED. CRACKED SHEETMETAL AT LOWER CUTOUT OF EXTERNAL ACCESS POWER DOOR. REPAIRED DAMAGED LOCATION PER SRM 53-10-15-2R-4. PERFORMED HIGH FREQUENCY EDDY CURRENT (HFEC) - [SDR SWAA2025080196909](https://openairdocs.org/sdr/SWAA2025080196909), Jul 31, 2025: MEGAPHONE. INOPERATIVE. FWD MEGAPHONE INOPERATIVE. - [SDR SWAA2025080196908](https://openairdocs.org/sdr/SWAA2025080196908), Jul 31, 2025: MEGAPHONE. BROKEN. AFT MEGAPHONE HAS BROKEN HANDLE. REMOVED AND REPLACED AFT MEGAPHONE PER AMM 25-64-00. - [SDR SWAA2025033119758](https://openairdocs.org/sdr/SWAA2025033119758), Mar 30, 2025: SLIDE. DISLODGED. FWD ENTRY DOOR ESCAPE SLIDE FELLOUT OF POSITION<[01] C/W MT-725-61-06
RESECURED SLIDE PACK - [SDR SWAA2025031705908](https://openairdocs.org/sdr/SWAA2025031705908), Mar 15, 2025: SIGN. LOOSE. MID-CABIN OVERHEAD EXIT SIGN COVER DETACHED <[01]. RESECURRED OVERWING EMERGENCY EXIT SIGN PER AMM 33-51-00. - [SDR SWAA2024111858886](https://openairdocs.org/sdr/SWAA2024111858886), Nov 12, 2024: FITTING. PULLED. #1 PYLON FARING FORWARD CASTING INBD HILOK FASTENER HOLES COMMON TO INTERCOSTAL PULLED THROUGH.<[01] REMOVED AND REPLACED STRUCT FAIRING FWD FITTING PER SRM 51- - [SDR SWAA2024101147213](https://openairdocs.org/sdr/SWAA2024101147213), Oct 10, 2024: HOOK. MISSING. FWD ENTRY DOOR SLIDE RETENTION CLIP MISSING ON LEFT SIDE.<[01] REPOSITIONED GIRT BAR RETAINER AND REPLACED MISSING FASTENER REF IPC 25-66-00-14 AND SIP. - [SDR SWAA2024093042690](https://openairdocs.org/sdr/SWAA2024093042690), Sep 26, 2024: STRUT. CRACKED. FOUND CRACK ON TRF PN 340-166-210-0 SN PA179695 STRUT 16 AREA C2 THAT MEASURES .375' IN LENGTH.<[01] C/W EA M-21-172-00810 TRIGGERING TRF MOUNT INSPECTION 7256- - [SDR SWAA2024083031710](https://openairdocs.org/sdr/SWAA2024083031710), Aug 29, 2024: GIRT BAR. OUT OF ADJUST. R2 DOOR GIRT LOW; CATCHES DOOR JAM WHEN CLOSING<[01] REPACKED R2 SLIDE PER MT 725-61-06 - [SDR SWAA2024071813304](https://openairdocs.org/sdr/SWAA2024071813304), Jul 16, 2024: SKIRT. OUT OF ADJUST. CUSTOMER WALK: R2 DOOR SLIDE SKIRT HITS HARD ON DOOR THRESHOLD WHEN DOOR OPEN/CLOSED<[01] RE-ADJUSTED VELCRO STRIPS AT R2 DOOR SLIDE AS PER AMM 26-66-01-200-802 - [SDR SWAA2024071710755](https://openairdocs.org/sdr/SWAA2024071710755), Jul 9, 2024: BATTERY PACK. INOPERATIVE. SEVERAL EXTERIOR AND INTERIOR EMERGENCY LIGHTS INOPERATIVE.<[01] PERFORMED TROUBLESHOOTING OF EMERGENCY EXIT LIGHTS - MID CIRCUIT AND FOUND BATTERY PACK DEFECTI - [SDR SWAA2024071708203](https://openairdocs.org/sdr/SWAA2024071708203), Jul 2, 2024: LIGHT. DAMAGED. LAVATORY B EMERGENCY EXIT LIGHT ASSY. IS DAMAGED.<[01] REMOVED AND REPLACED LAVATORY B EMERGENCY EXIT LIGHT ASSY; REF B737-700 AMM 33-51-01-960-802.;[02] VERIFI - [SDR SWAA2024071803795](https://openairdocs.org/sdr/SWAA2024071803795), Jun 20, 2024: RIB. CRACKED. RH HORIZONTAL LEADING EDGE PANEL 341B RIB #10 FOUND CRACKED.<[01] SUMMARY=
APPLIED STRIPPER TO RIGHT HORIZONTAL STABILIZER LEADING EDGE RIB #10 FOR NDT TEST - [SDR SWAA2024071803796](https://openairdocs.org/sdr/SWAA2024071803796), Jun 20, 2024: RIB. CRACKED. RH HORIZONTAL LEADING EDGE PANEL 341B RIB #6 FOUND CRACKED.<[01] ***SUMMARY**
REMOVED RIGHT HORIZONTAL STABILIZER L/E #6 RIB AS PER B 737 SRM 51-40-02-0G-0.< - [SDR SWAA2024071803364](https://openairdocs.org/sdr/SWAA2024071803364), Jun 19, 2024: DOUBLER. CORRODED. CORROSION R/H LOWER FWD WING TO BODY FAIRING PANEL # 191CR HAS CORROSION AT INNER DOUBLER DRAING MAST.<[01] EVALUATED DAMAGE AT R/H LOWER FWD WING TO BODY FAIRI - [SDR SWAA2024071803195](https://openairdocs.org/sdr/SWAA2024071803195), Jun 18, 2024: FAIRING. CRACKED. FLAP TRACK # 8 FAIRING 644BB CRACKED AT INTERNAL SKIN AFT MKD DOT<[01] PREPARED FOR REPAIR ON FLAP TRACK # 8 FAIRING 644BB; AS PER SRM 51-70-04-2R-1;INSTALLED R All 307: https://openairdocs.org/aircraft/N476WN/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.