# N478WN: 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: 33989
- Year built: 2004
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: August 14, 2004
- Certificate issued: September 21, 2004
- Expires: May 31, 2028
- Mode S code: A5E0D3
- 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=478WN
- Page: https://openairdocs.org/aircraft/N478WN

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/N478WN/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 N478WN.

## FAA accident and incident reports

None matched to N478WN.

## Service difficulty reports (290, 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 SWAA2026101481039](https://openairdocs.org/sdr/SWAA2026101481039), Oct 10, 2026: HMU. FAULTED. AUTOTHROTTLE OVER-CONTROLS. ON AUTOTHROTTLE ENGAGEMENT ON RUNWAY, THRUST LEVERS WERE EVEN BUT NR 1 ENGINE REMAINED AT 40%, WHILE NR 2 ENGINE SPOOLED UP TO APPRO
- [SDR SWAA2026062212340](https://openairdocs.org/sdr/SWAA2026062212340), Jun 14, 2026: BAFFLE. CRACKED. FWD CARGO BAY, APPROX BS 460 - 480, S26L-S27L BAFFLE CRACKED IN UPPER RADIUS AT NUTPLATE. REMOVED AND REPLACED THE BAFFLE IAW SRM 51-40-02, AND DWG 143A7505, RE
- [SDR SWAA2026062211588](https://openairdocs.org/sdr/SWAA2026062211588), Jun 11, 2026: RIB. CRACKED. UPON INSTALL OF DORSAL FIN; FOUND FORWARD MOUNT POINT(S) BRACKET CRACKED. APPLIED ALODINE IAW SRM 51-20-01. REMOVED CRACKED RIB IAW SRM 51-40-02 FABRICATED A NE
- [SDR SWAA2026062210928](https://openairdocs.org/sdr/SWAA2026062210928), Jun 10, 2026: BATTERY PACK. INOPERATIVE. EMERGENCY BATTERY PACK M1670 LIGHTS DID NOT TURN ON. REMOVED AND REPLACED BATTERY PACK IAW AMM 33-51-06. REMOVED AND REPLACED BATTERY PACK IAW AMM 33-51-06.
- [SDR SWAA2026062210357](https://openairdocs.org/sdr/SWAA2026062210357), Jun 8, 2026: STRINGER. CRACKED. STRINGER 26L FOUND CRACKED AT BS 460. ACCOMPLISHED STRINGER REPAIR IAW SRM 53-00-03-2R-1.
- [SDR SWAA2026062207450](https://openairdocs.org/sdr/SWAA2026062207450), May 28, 2026: SCUFF PLATE. CRACKED. FWD CARGO DOOR CENTER SCUFF PLATE CRACKED. REPAIRED FWD CARGO DOOR CENTER SCUFF PLATE IS CRACKED IAW SRM 53-30-15-2R-1.
- [SDR SWAA2026062207451](https://openairdocs.org/sdr/SWAA2026062207451), May 28, 2026: SCUFF PLATE. CRACKED. FWD CARGO DOOR AFT SCUFF PLATE CRACKED. REPAIRED FWD CARGO DOOR AFT SCUFF PLATE IAW SRM 53-30-15-2R-1.
- [SDR SWAA2026062207452](https://openairdocs.org/sdr/SWAA2026062207452), May 28, 2026: SCUFF PLATE. CRACKED. AFT CARGO DOOR FWD SCUFF PLATE CRACKED. REPAIRED AFT CARGO DOOR FWD SCUFF PLATE IAW SRM 53-30-15-2R-1.
- [SDR SWAA2026062206809](https://openairdocs.org/sdr/SWAA2026062206809), May 26, 2026: BRACKET. CRACKED. RIGHT WING T/E LOCATED INBD OF DEFLECTION CONTROL RIB, OVERHANG PANEL SUPPORT BULKHEAD ATTACH BULB SEAL RETAINER CRACKED. REMOVED AND REPLACED DEFLECTOR PANEL S
- [SDR SWAA2026062206811](https://openairdocs.org/sdr/SWAA2026062206811), May 26, 2026: BRACKET. CRACKED. LEFT WING T/E LOCATED INBD OF DEFLECTION CONTROL RIB, OVERHANG PANEL SUPPORT BULKHEAD ATTACH BULB SEAL RETAINER CRACKED. REMOVED AND REPLACED SEAL REAINER AND B
- [SDR SWAA2026021770795](https://openairdocs.org/sdr/SWAA2026021770795), Feb 14, 2026: ACTUATOR. FAILED. SPEED BRAKES FAILED TO DEPLOY ON LANDING SPEED BRAKES FAILED TO DEPLOY ON LANDING. NH30. R & R AUTO SPEED BRAKE ACTUATOR IAW AMM 27-62-31 AND AUTO SPEED BRAKE M
- [SDR SWAA2026021771625](https://openairdocs.org/sdr/SWAA2026021771625), Feb 14, 2026: MODULE. FAILED. SPEED BRAKES FAILED TO DEPLOY ON LANDING SPEED BRAKES FAILED TO DEPLOY ON LANDING. NH30. R & R THE AUTO SPEED BRAKE ACTUATOR IAW AMM 27-62-31, AND AUTO SPEED BR
- [SDR SWAA2026021068511](https://openairdocs.org/sdr/SWAA2026021068511), Feb 7, 2026: BULB. INOPERATIVE. EMERGENCY LIGHT AFT OF LEFT WING INOPERATIVE. R & R EMERGENCY LIGHT BULB IAW AMM 33-51-04. OPS CHECKED GOOD.
- [SDR SWAA2026021068369](https://openairdocs.org/sdr/SWAA2026021068369), Feb 6, 2026: COVER. BROKEN. EMERGENCY EXIT LIGHT COVER BROKEN FWD OF LEFT OVER WING EXIT DOOR. R & R EMERGENCY EXIT LIGHT COVER FWD OF LEFT OVER WING EXIT DOOR IAW AMM 33-51-01.
- [SDR SWAA2026010959831](https://openairdocs.org/sdr/SWAA2026010959831), Jan 8, 2026: GIRT BAR. LOOSE. FA REPORTS FWD SERVICE DOOR GIRT BAR LOOSE FROM DOOR BRACKET. ADJUSTED GIRT BAR HOLDING HOOK IAW AMM 25-66-00.
- [SDR SWAA2025121652317](https://openairdocs.org/sdr/SWAA2025121652317), Dec 13, 2025: SEAT BACK. OUT OF ADJUST. SEAT 11D RECLINES INTO EXIT ROW. SECURED SEAT RECLINE ACTUATOR CABLE AT 11D IAW SIP, OPS CHECKED NORMAL.
- [SDR SWAA2025100319564](https://openairdocs.org/sdr/SWAA2025100319564), Sep 30, 2025: HANDLE. LOOSE. FWD GALLEY SERVICE DOOR ASSIST HANDLE LOOSE. RESECURED FWD GALLEY SERVICE DOOR ASSIST HANDLE REF AMM 20-50-11.
- [SDR SWAA2025100319565](https://openairdocs.org/sdr/SWAA2025100319565), Sep 30, 2025: HANDLE. LOOSE. AFT GALLEY SERVICE DOOR ASSIST HANDLE LOOSE. RESECURED AFT GALLEY SERVICE DOOR ASSIST HANDLE REF AMM 20-50-11.
- [SDR SWAA2025100319567](https://openairdocs.org/sdr/SWAA2025100319567), Sep 30, 2025: HANDLE. LOOSE. FWD ENTRY DOOR UPPER ASSIST HANDLE LOOSE. RESECURED FWD ENTRY DOOR UPPER ASSIST HANDLE REF AMM 20-50-11.
- [SDR SWAA2025070387916](https://openairdocs.org/sdr/SWAA2025070387916), Jul 2, 2025: SIGN. DETACHED. EMERGENCY EXIT SIGN EXIT ROW HAS FALLEN OFF. REMOVED AND REPLACED EMERGENCY EXIT SIGN ON THE CEILING AT ROW 11 IN REFERENCE TO AMM 33-51-01. OPS CHECK GOOD.
- [SDR SWAA2024080221222](https://openairdocs.org/sdr/SWAA2024080221222), Aug 1, 2024: BATTERY PACK. INOPERATIVE. EMERGENCY LTS L6; 547; 548; 732; 1365 AND ASILE LTS AT SEAT ROW 9 AND 12 ABC INOP.<[01] REPLACED LAMP AT AFT ESCAPE SLIDE LIGHT L732 PER AMM 33-51-04-960-801. <
- [SDR SWAA2024080713665](https://openairdocs.org/sdr/SWAA2024080713665), Jul 17, 2024: PANEL. DELAMINATED. PANEL 193AL HAS DELAMINATION DAMAGE ON INNER SURFACE<[01] PANEL 193AL HAS DELAMINATION DAMAGE ON INNER SURFACE WAS REPAIRED IAW SRM 51-70-05-2R-1.;[02] COMPLETE
- [SDR SWAA2024080711568](https://openairdocs.org/sdr/SWAA2024080711568), Jul 11, 2024: SEAT TRACK. CORRODED. CORROSION ON PASSENGER CABIN SEAT TRACK COMMON TO FASTENER HOLES ON INBOARD AND OUTBOARD FLANGE AT BS 727B; RBL 45; WL 208.<[01] UPDATED STEP 3;[02] UPDATED STE
- [SDR SWAA2024080211569](https://openairdocs.org/sdr/SWAA2024080211569), Jul 11, 2024: STRAP. DAMAGED. ELONGATE HOLE ON STRAP FAIL SAFE BS 440 BETWEEN S-20R S-21R 9(MARKED) CORRECTION SHOULD BE = ELONGATE HOLE ON STRAP FAIL SAFE BS 440 BETWEEN S-21R S-22R (MARKED
- [SDR SWAA2024073011570](https://openairdocs.org/sdr/SWAA2024073011570), Jul 11, 2024: FAILSAFE. DAMAGED. ELONGATED HOLE ON STRAP FAIL SAFE BS 492.20 BETWEEN S-20R S-21R (MARKED) CORRECTION SHOULD BE = ELONGATE HOLE ON STRAP FAIL SAFE BS 492.20 BETWEEN S-21R S-22R (
- [SDR SWAA2024080711239](https://openairdocs.org/sdr/SWAA2024080711239), Jul 10, 2024: FRAME. CRACKED. CRACK FOUND DURING HFEC OPEN HOLE INSPECTION OF R/H BS727 INNER CHORD AT STR-18A; LOCATED AT LOWER HOLE; IN MOST O/B LAYER OF STACK-UP AT 9:00 POSITION<[01] REM
- [SDR SWAA2024080211121](https://openairdocs.org/sdr/SWAA2024080211121), Jul 10, 2024: WIRE. CHAFED. EMERGENCY LIGHT WIRES ARE CHAFED BS757 BETWEEN S-21R AND S-22R<[01] REPAIRED CHAFFED WIRES AT BS757 BETWEEN S-21R AND S-22R PER SWPM 20-30-12. <BR><BR>FUNCTIONA
- [SDR SWAA2024073010064](https://openairdocs.org/sdr/SWAA2024073010064), Jul 7, 2024: FLOOR PANEL. DELAMINATED. PASSENGER FLOOR PANEL 221GF FWD O/B CORNER DAMAGED AND HAS DELAMINATION<[01] 221GF FLOOR PANEL FWD O/B CORNER DAMAGE HAS BEEN REPAIRED IAW SRM 53-00-50-2R-6 AND
- [SDR SWAA2024080707488](https://openairdocs.org/sdr/SWAA2024080707488), Jun 30, 2024: PANEL. CRACKED. INTERGRATION BREAK PANEL CRACKED AT BS 540 RBL 25-45 WL 207<[01] REMOVED AND REPLACED INTEGRATION BREAK PANEL AT BS 540 RBL 25-45 WL 207. IAW SRM 51-40-02-OG-0 
- [SDR SWAA2024073006526](https://openairdocs.org/sdr/SWAA2024073006526), Jun 27, 2024: STRINGER. CRACKED. CRACKED STRINGER MAIN DISTRIBUTION BAY BS535 S-23L WL150<[01] REMOVED DAMAGED SECTION OF STR-23L BS 535 TO 500D +11'' AND INSTALLED REPAIR PARTS; NEW SECTION OF
- [SDR SWAA2024080705895](https://openairdocs.org/sdr/SWAA2024080705895), Jun 26, 2024: SUPPORT BRACKET. CRACKED. WATER TANK SUPPORT BRACKET IS CRACKED BS947+2' LBL10 WL177<[01] CRACKED BRACKET WAS FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS ARE GIVEN IN THE SRM. REMOVED; RE
- [SDR SWAA2024080705898](https://openairdocs.org/sdr/SWAA2024080705898), Jun 26, 2024: INTERCOSTAL. CORRODED. CORROSION AFT CARGO BAY INTERCOSTAL BS767+10 S-27R WL150<[01] EVALUATED CORROSION ON INTERCOSTAL BS 767-787 S-27R WL 150; WAS FOUND TO BE OUT OF LIMITS. REMOVED
- [SDR SWAA2024080705902](https://openairdocs.org/sdr/SWAA2024080705902), Jun 26, 2024: GUSSET. CRACKED. FORWARD CARGO BAY GUSSET IS CRACKED BS500D S-19R<[01] CRAKED GUSSET WAS FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS ARE GIVEN IN THE SRM. REMOVED; REPLACED AND I
- [SDR SWAA2024080705894](https://openairdocs.org/sdr/SWAA2024080705894), Jun 26, 2024: GUSSET. CRACKED. FORWARD CARGO BAY GUSSET IS CRACKED BS500D S-19L<[01] CRAKED GUSSET WAS FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS ARE GIVEN IN THE SRM. REMOVED; REPLACED AND I
- [SDR SWAA2024080205892](https://openairdocs.org/sdr/SWAA2024080205892), Jun 26, 2024: PLATE. CORRODED. CORROSION AFT CARGO BAY R/H FLOOR TO SIDEWALL SUPPORT PLATE HAS MULTIPLE AREAS AROUND NUT PLATE HOLES BS727B TO BS767 RBL22 WL156<[01] EVALUATED CORROSION ON R/
- [SDR SWAA2024080205901](https://openairdocs.org/sdr/SWAA2024080205901), Jun 26, 2024: SHIELD. CORRODED. CORROSION FWD CARGO BAY AFT SHIELD BS500+1 TO BS500+19 RBL22 WL156 HAS MULTIPLE AREAS AROUND NUT PLATE HOLES<[01] CORROSION ON FWD CARGO BAY AFT SHIELD WAS FOUN
- [SDR SWAA2024073005899](https://openairdocs.org/sdr/SWAA2024073005899), Jun 26, 2024: SUPPORT. CORRODED. CORROSION AFT CARGO BAY L/H FLOOR TO SIDEWALL SUPPORT PLATE MULTIPLE AREAS AROUND NUT PLATE HOLES BS727D+19' TO BS767+19' LBL22 WL156 CORROSION AFT CARGO BAY L/
- [SDR SWAA2024073005906](https://openairdocs.org/sdr/SWAA2024073005906), Jun 26, 2024: SUPPORT. CORRODED. CORROSION FWD CARGO BAY L/H FLOOR TO SIDEWALL SUPPORT PLATE MULTIPLE AREAS AROUND NUT PLATE HOLES BS500 TO BS500D LBL22 WL156<[01] EVALUATED CORROSION ON L/H FL
- [SDR SWAA2024080705708](https://openairdocs.org/sdr/SWAA2024080705708), Jun 25, 2024: PANEL. CRACKED. L/W L/E PANEL 521ZB CORNER IS CRACKED<[01] L/W L/E PANEL 521ZB CORNER WITH CRACKED WAS REPAIRED IAW SRM 51-70-05-2R-6.;[02] VERIFIED CORRECTIVE ACTION ITEM 1.
- [SDR SWAA2024073105311](https://openairdocs.org/sdr/SWAA2024073105311), Jun 24, 2024: FLOOR PANEL. DELAMINATED. PASSENGER CABIN FLOOR PANEL 221CF HAS DELAMINATION & 7EA BA/BAD INSERTS. (MARKED)<[01] FLOOR PANEL 221CF WITH DELAMINATION AND INSERT DAMAGE WAS REPAIRED BY REM
- [SDR SWAA2024080704865](https://openairdocs.org/sdr/SWAA2024080704865), Jun 23, 2024: SEAT TRACK. CORRODED. CORROSION; CABIN SEAT TRACK; LBL 25; WL 208; BS 360 + 8 TO BS 380; IN THE WELL. DAMAGE IS AT LBL 45 NOT LBL 25<[01] UPDATED STEPS 7.8.;[02] REMOVED CORROSION FR
- [SDR SWAA2024073104961](https://openairdocs.org/sdr/SWAA2024073104961), Jun 23, 2024: FLOOR PANEL. CORRODED. PASSENGER CABIN FLOOR PANEL 221DF HAS 8 EA BAD/CORRODED POTTED INSERTS. (MARKED)<[01] PASSENGER CABIN FLOOR PANEL 221DF HAD DAMAGED PLIES REPAIRED IAW SRM 53-00
- [SDR SWAA2024080203659](https://openairdocs.org/sdr/SWAA2024080203659), Jun 20, 2024: FLOOR PANEL. DELAMINATED. PASSENGER CABIN FLOOR PANEL 231XF IS DELAMINATED<[01] FABRICATION OF NEW 231XF CABIN FLOOR PANEL HAS BEEN COMPLETED IAW SRM 53-00-50-2R-0 AND BOEING DWG: 144A58
- [SDR SWAA2024080203660](https://openairdocs.org/sdr/SWAA2024080203660), Jun 20, 2024: FLOOR PANEL. DELAMINATED. PASSENGER CABIN FLOOR PANEL 232RF IS DELAMINATED<[01] FABRICATION OF NEW 232RF FLOOR PANEL HAS BEEN COMPLETED IAW SRM 53-00-50-2R-0 AND BOEING DWG: 144A5810 ID:
- [SDR SWAA2024080203662](https://openairdocs.org/sdr/SWAA2024080203662), Jun 20, 2024: FLOOR PANEL. DELAMINATED. PASSENGER CABIN FLOOR PANEL 242AF HAS DAMAGED INSERT AND DELAMINATION<[01] DUE TO THE EXTENT OF DAMAGE; FABRICATED NEW PASSENGER CABIN FLOOR PANEL 242AF IAW SRM
- [SDR SWAA2024080203663](https://openairdocs.org/sdr/SWAA2024080203663), Jun 20, 2024: FLOOR PANEL. DELAMINATED. PASSENGER CABIN FLOOR PANEL 231UF DELAMINATED<[01] UPDATED STEP 1;[02] PASSENGER CABIN FLOOR PANEL 231UF DELAMINATED AND MAINTENANCE WAS ACCOMPLISHED ON STEPS 1
- [SDR SWAA2024080203661](https://openairdocs.org/sdr/SWAA2024080203661), Jun 20, 2024: FLOOR PANEL. DELAMINATED. PASSENGER CABIN FLOOR PANEL 241AF HAS DAMAGED INSERT AND DELAMINATION<[01] DUE TO EXTENT OF THE DAMAGE FABRICATED NEW 241AF FLOOR PANEL IAW SRM 53-00-50-2R-0.;[
- [SDR SWAA2024073003665](https://openairdocs.org/sdr/SWAA2024073003665), Jun 20, 2024: DECK PLATE. CRACKED. CRACK FOUND ON HORIZONTAL PRESSURE DECK AT MID PASSENGER CABIN BS663+2 RBL 41 WL 203 (MARKED)<[01] REMOVED DAMAGE ON HORIZONTAL PRESSURE DECK AND REPAIRED BS663
- [SDR SWAA2024080703635](https://openairdocs.org/sdr/SWAA2024080703635), Jun 19, 2024: ATTACH ANGLE. CRACKED. B.S. 663 LOWER COMPOSITE BULKHEAD UPPER ATTACH ANGLE IS CRACKED AT L.B.L. 45; W.L. 165.<[01] REMOVED AND REPLACED B.S. 663 LOWER COMPOSITE BULKHEAD UPPER ATTACH
- [SDR SWAA2024061399851](https://openairdocs.org/sdr/SWAA2024061399851), Jun 9, 2024: COVER. BROKEN. EMERGENCY EXIT SIGN COVER RIGHT SIDE OVERWING BROKEN<[01] REMOVED AND REPLACED LIGHT ASSEMBLY PER MM 33-51-01

All 290: https://openairdocs.org/aircraft/N478WN/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

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