# N473WN: 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: 33832
- Year built: 2004
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: July 19, 2004
- Certificate issued: August 19, 2004
- Expires: February 29, 2028
- Mode S code: A5CE40
- 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=473WN
- Page: https://openairdocs.org/aircraft/N473WN

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/N473WN/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 (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB OPS10IA090](https://openairdocs.org/ntsb/OPS10IA090), Apr 19, 2010: Boeing 737-7H4 (N473WN), Burbank, CA, incident, no damage. Probable cause: The improper separation procedures by air traffic control.

## FAA accident and incident reports

None matched to N473WN.

## Service difficulty reports (330, 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 SWAA2026102007959](https://openairdocs.org/sdr/SWAA2026102007959), Oct 16, 2026: FIRE WARNING. INTERMITTENT. AFT CARGO FIRE DETECTION, FIRE LIGHT ON. INTERMITTENTLY HAPPENED TWICE. OK TO CONTINUE ON MEL 26-19-01, SP1. PERFORMED FIM 26-23 TASK 812. R & R CARGO PANEL IAW
- [SDR SWAA2026092481746](https://openairdocs.org/sdr/SWAA2026092481746), Sep 23, 2026: PROBE. FAULTY. NR 1 MAIN TANK BURNED 800 LBS. AFTER TAKE OFF WITH CENTER TANK FUEL PUMPS ON WITH FUEL IN CENTER TANK. THE NR 1 FUEL GUAGE SHOWED ABOUT 800LBS. LOST IN ONE MINU
- [SDR SWAA2026092418091](https://openairdocs.org/sdr/SWAA2026092418091), Sep 23, 2026: COMPENSATOR. FAULTED. NR 1 MAIN TANK BURNED 800 LBS. AFTER TAKE OFF WITH CENTER TANK FUEL PUMPS ON WITH FUEL IN CENTER TANK. THE NR 1 FUEL GUAGE SHOWED ABOUT 800LBS. LOST IN ONE MINU
- [SDR SWAA2026092514349](https://openairdocs.org/sdr/SWAA2026092514349), Sep 21, 2026: FUEL SYS. FAULTED. DURING CRUISE, NR 2 FUEL GAUGE PROGRESSED TO 400 LBS MORE THAN NR 1 TANK WITH CONSISTENTLY SLIGHTLY HIGHER FUEL FLOW. CROSSFED TO 200 LBS HIGHER IN NR 2 TANK, T
- [SDR SWAA2026083116897](https://openairdocs.org/sdr/SWAA2026083116897), Aug 27, 2026: BATTERY PACK. INOPERATIVE. FWD GALLEY & RT SIDE 15DEF EMERGENCY LIGHT IS OUT REPLACED RT FWD GALLEY SIDE AND @SEAT 5DEF BATTERY PACK IAW AMM 33-51-06.OPS CHECKED GOOD.
- [SDR SWAA2026080323309](https://openairdocs.org/sdr/SWAA2026080323309), Jul 31, 2026: GIRT BAR. LOOSE. FORWARD SERVICE DOOR GIRT BAR CLIPS LOOSE INSPECTED FORWARD GIRT BAR CLIPS IAW AMM 25-66-00. NO ABNORMALITIES FOUND, OPS CHECKED GOOD.
- [SDR SWAA2026041488316](https://openairdocs.org/sdr/SWAA2026041488316), Apr 10, 2026: HOOK. LOOSE. FOWARD ENTRY DOOR GIRT BAR HOOK NOT SECURED. REMOVED AND REINSTALLED FE DOOR SLIDE TO FOM IAW MT# 725-61-06. RESECURED HOOK IAW SRM 51-40-02.
- [SDR SWAA2026040784198](https://openairdocs.org/sdr/SWAA2026040784198), Mar 24, 2026: HANDLE. DAMAGED. G1 GALLEY DOOR ASSIST HANDLE DAMAGED. REMOVED AND REPLACED NEW ASSIST HANDLE IAW AMM 52-41-31-000-802 STEP E ;4) (A;B); AND AMM 52-41-31-400-802 STEP F 2) (C;D)
- [SDR SWAA2026040782876](https://openairdocs.org/sdr/SWAA2026040782876), Mar 24, 2026: SEAT TRACK. DAMAGED. DURING DVI AT MAIN CABIN SEAT TRACK AREA, LBL 24.75 & BS 727B FOUND ELONGATED HOLE AT THE BOTTOM OF THE STRUCTURE. REAMED ELONGATED HOLE UP TO 0.312'. REMOVED A
- [SDR SWAA2026040785934](https://openairdocs.org/sdr/SWAA2026040785934), Mar 16, 2026: SEAT TRACK. SHEARED. PASSENGER CABIN SEAT TRACK LBL 25 WL 208 FWD FASTNER AT BS 727B IS SHEARED. ATS QC HAS VERIFIED THAT THE FASTENER AT POSITION B AT 727B FLOORBEAM HAS BEEN INSTA
- [SDR SWAA2026040780372](https://openairdocs.org/sdr/SWAA2026040780372), Mar 16, 2026: CROSSBEAM. CRACKED. CRACKED CROSSBEAM AT BS 540, BL 0 - RBL 25, WL 208. REMOVED CROSSBEAM IAW SRM 51-40-02. LOCATED AND DRILLED THE NEW CROSSBEAM IAW SRM 51-40-05, DWG 143A0060, RE
- [SDR SWAA2026040780373](https://openairdocs.org/sdr/SWAA2026040780373), Mar 16, 2026: CROSSBEAM. CRACKED. CRACKED CROSSBEAM, BS 540, BL 0 - LBL 25, WL 208. REMOVED THE CRACKED CROSSBEAM IAW SRM 51-40-02, INSTALLED A NEW CROSSBEAM IAW SRM 51-40-02, DWG 143A0060, REV 
- [SDR SWAA2026040779506](https://openairdocs.org/sdr/SWAA2026040779506), Mar 13, 2026: SKIN. CRACKED. ONE CRACK NOTED ON LT HORIZONTAL STABILIZER LOWER SKIN BS 193.90, 10.5' FROM FWD EDGE; L: 0.3'. CRACKED WAS FOUND TO BE OUT OF LIMITS; REMOVED DAMAGE AND REPAIR
- [SDR SWAA2026040178893](https://openairdocs.org/sdr/SWAA2026040178893), Mar 12, 2026: FLOOR PANEL. PULLED. FLOOR PANEL 231XF UPPER SKIN HAS AREAS OF PULLED STRANDS. THE FLOOR PANEL 231XF WAS REPLACED WITH A NEWLY FABRICATED FLOOR PANEL IAW SRM 53-00-50-2R-0.
- [SDR SWAA2026040178894](https://openairdocs.org/sdr/SWAA2026040178894), Mar 12, 2026: FLOOR PANEL. PULLED. FLOOR PANEL 241DF UPPER SKIN HAS AREAS OF PULLED STRANDS. THE FLOOR PANEL WAS REPLACED WITH A NEWLY FABRICATED FLOOR PANEL IAW SRM 53-00-50-2R-0.
- [SDR SWAA2026040178892](https://openairdocs.org/sdr/SWAA2026040178892), Mar 11, 2026: BEAM. CRACKED. A CRACK NOTED ON THE RADIUS OF FWD SERVICE DOOR NUMBER 4 BEAM; LOCATED TWO INCHES FROM THE INBOARD EDGE; 0.3' IN LENGTH.<[01] FSD #4 BEAM REMOVED AND REPLACED O
- [SDR SWAA2026040178891](https://openairdocs.org/sdr/SWAA2026040178891), Mar 11, 2026: BEAM. CRACKED. A CRACK NOTED ON THE RADIUS OF FWD SERVICE DOOR NR 5 BEAM, LOCATED HALF AN INCH FROM THE INBOARD EDGE, 0.5' IN LENGTH. FSD NR 5 BEAM, REMOVED AND REPLACED ON AT
- [SDR SWAA2026040178553](https://openairdocs.org/sdr/SWAA2026040178553), Mar 10, 2026: RETAINER. LOOSE. FWD SERVICE DOOR BOTH GIRT BAR RETAINERS ON SLIDE ARE LOOSE. REMOVED AND REPLACED FASTENERS ON FWD SERVICE DOOR BOTH GIRT BAR RETAINERS IAW SRM 51-40-02-0G-0; A
- [SDR SWAA2026022473479](https://openairdocs.org/sdr/SWAA2026022473479), Feb 23, 2026: LENS. LOOSE. FO SIDE OVERWING EXIT DOOR LIGHT COVER LOOSE. OK TO CONTINUE IAW MEL 25-10-01. R & R THE OVERWING EXIT DOOR LIGHT LENS ASSY IAW AMM 25-21-20.
- [SDR SWAA2025102827706](https://openairdocs.org/sdr/SWAA2025102827706), Oct 24, 2025: SEAL. CRACKED. RIGHT HORIZONTAL STABILIZER UPPER FORWARD SLIDER CRACKED. R & R RT HORIZONTAL STAB UPPER FWD SLIDING SEAL IAW AMM 53-31-31.
- [SDR SWAA2025072493920](https://openairdocs.org/sdr/SWAA2025072493920), Jul 22, 2025: SEAT. OUT OF ADJUST. SEAT 11F RECLINES INTO EXIT ROW. ADJUSTED SEAT RECLINE LOCK IN REF TO AMM 25-22-00.
- [SDR SWAA2025061280728](https://openairdocs.org/sdr/SWAA2025061280728), Jun 12, 2025: HANDLE. LOOSE. FWD ENTRY DOOR UPPER ASSIST HANDLE IS LOOSE.<[01] RE SECURED FWD ENTRY DOOR UPPER ASSIST HANDLE REF AMM 20-50-11.
- [SDR SWAA2025061280727](https://openairdocs.org/sdr/SWAA2025061280727), Jun 12, 2025: HANDLE. LOOSE. FWD GALLEY SERVICE DOOR UPPER ASSIST HANDLE IS LOOSE.<[01] RE SECURED FWD GALLEY SERVICE DOOR ASSIST HANDLE REF AMM 20-50-11.
- [SDR SWAA2025022699058](https://openairdocs.org/sdr/SWAA2025022699058), Feb 24, 2025: DOOR. OUT OF ADJUST. A/C GROUND AIR ACCESS DOOR WILL NOT OPEN OR CLOSE. <[01] 01 - REMOVED AND REPLACED PER [AMM 52-49-01-401-NG (FORWARD FAIRING ACCESS DOOR - REMOVAL/INSTALLATION 
- [SDR SWAA2024122380218](https://openairdocs.org/sdr/SWAA2024122380218), Dec 21, 2024: SLIDE. OUT OF POSITION. AFT LH EMERGENCY SLIDE FELL OUT OF HOUSING<[01] CW REPACK OF L2 DOOR SLIDE PER MT 725-61-06
- [SDR SWAA2024101045794](https://openairdocs.org/sdr/SWAA2024101045794), Oct 6, 2024: MEGAPHONE. INOPERATIVE. AFT MEGAPHONE INOP<[01] REMOVED AND REPLACED AFT GAL MEGAPHONE IAW AMM 25-64-00. NO FURTHER DEFECTS NOTED AT THIS TIME
- [SDR SWAA2024052887963](https://openairdocs.org/sdr/SWAA2024052887963), May 21, 2024: LIGHT. INOPERATIVE. R2 DOOR EXTERIOR EMERGENCY LIGHT INOPERATIVE.<[01] RELAMPED R2 DOOR EXTERIOR EMERGENCY LIGHT AS PER B737 AMM 33-51-04-960-801. TEST PASSED.;[02] VERIFIED STEP 1
- [SDR SWAA2024052886910](https://openairdocs.org/sdr/SWAA2024052886910), May 17, 2024: SKIN. DELAMINATED. L/W O/B AFT FLAP; I/B AFT CORNER DISBONDED<[01] FINAL STATEMENT: REMOVED DAMAGE DELAMINATED UPPER AND LOWER SKINS ON L/W O/B AFT FLAP WEDGE I/B CORNER AS PER B7
- [SDR SWAA2024052884708](https://openairdocs.org/sdr/SWAA2024052884708), May 9, 2024: PANEL. CORRODED. PANEL # 192F CORRODED WHERE DME#1 ATTACHES.<[01] REMOVED AND REPLACED PANEL #192F AS PER REFS B737 AMM 53-51-21-000-802 & AMM 53-51-21-400-802.
- [SDR SWAA2024052881425](https://openairdocs.org/sdr/SWAA2024052881425), May 2, 2024: SEAL. DETERIORATED. RIGHT HORIZONTAL STABILIZER I/B BALANCE LWR T/E ACCESS PANEL 343AB 2 AFT ANGLE METAL SEALS WITH BROW COVERS DETERIORATED..<[01] REMOVED AND REPLACED FWD AND AFT
- [SDR SWAA2024052879604](https://openairdocs.org/sdr/SWAA2024052879604), Apr 26, 2024: SKIN. DELAMINATED. LT IB FLAP UPPER SURFACE OF TRAILING EDGE WEDGE HAS DELAMINATION 33' FROM OB END AND ON LOWER SURFACE 4' FROM OB END. 8-58<[01] FINAL STATEMENT: REMOVED AND REP
- [SDR SWAA2024052878935](https://openairdocs.org/sdr/SWAA2024052878935), Apr 24, 2024: SEAT TRACK. CORRODED. CORROSION ON LWR SURFACE OF CAPT FWD OB SEAT TRACK. 8-62<[01] REPLACED CAPT FWD OB SEAT TRACK. REF AMM 25-11-11-400-801. FIXTURE TRACK BC 170026.;[02] CORRECTIO
- [SDR SWAA2024052878936](https://openairdocs.org/sdr/SWAA2024052878936), Apr 24, 2024: SEAT TRACK. CORRODED. CORROSION ON LWR SURFACE OF CAPT SEAT TRACK AFT IB. 8-63<[01] REPLACED AFT IB CAPT SEAT TRACK REF SRM 51-40-02-0G-0 AND AMM 25-11-11-400-801.;[02] CORRECTION ST
- [SDR SWAA2024052878937](https://openairdocs.org/sdr/SWAA2024052878937), Apr 24, 2024: SEAT TRACK. CORRODED. CORROSION ON LWR SURFACE OF CAPT SEAT TRACK FWD IB. 8-64<[01] REPLACED FWD CAPT SEAT TRACK. REF AMM 25-11-11-400-801. FIXTURE TRACK BC 170026.;[02] CORRECTION S
- [SDR SWAA2024052878939](https://openairdocs.org/sdr/SWAA2024052878939), Apr 24, 2024: SEAT TRACK. CORRODED. CORROSION ON LWR SURFACE OF F/O SEAT TRACK FWD OB. 8-66<[01] FINAL STATEMENT: REMOVED AND REPLACED F/O'S FWD O/B SEAT TRACK REF AMM 25-11-11-400-801 AND SRM 51-
- [SDR SWAA2024052878938](https://openairdocs.org/sdr/SWAA2024052878938), Apr 24, 2024: SEAT TRACK. CORRODED. CORROSION ON LWR SURFACE OF CAPT SEAT TRACK AFT OB. 8-67<[01] CAPT SEAT TRACK AFT OB WILL BE REPLACED IN TC TTG8Q00SYP7V;[02] VERIFIED STEP 1
- [SDR SWAA2024052878940](https://openairdocs.org/sdr/SWAA2024052878940), Apr 24, 2024: SEAT TRACK. CORRODED. CORROSION ON LWR SURFACE OF CAPT SEAT TRACK FWD IB. 8-68<[01] CAPT SEAT TRACK FWD IB WILL BE REPLACED TC TTG8Q00SYP7C.;[02] VERIFIED STEP 1
- [SDR SWAA2024052877922](https://openairdocs.org/sdr/SWAA2024052877922), Apr 22, 2024: WEB. CRACKED. CRACK FOUND AT I/B LOWER FASTENER HOLE OF S-18A WEB AT STA 727 RIGHT SIDE. CRACK FOUND AT I/B LOWER FASTENER HOLE OF S-18A WEB FITTING AT STA 727 RIGHT SIDE. ( 
- [SDR SWAA2024052877673](https://openairdocs.org/sdr/SWAA2024052877673), Apr 21, 2024: ACCESS PANEL. DAMAGED. ACCESS PANEL 193B HAS AN ELONGATED HOLE R/H SIDE ALF DOT 068<[01] APPLIED PERMANEMT REPAIR ON DAMAGE AREA AS MARKED ON PANEL #193B AS PER B737 SRM 51-70-04-2R-9
- [SDR SWAA2024052877444](https://openairdocs.org/sdr/SWAA2024052877444), Apr 20, 2024: LENS. CRACKED. FWD CEILING PANEL HAS EXIT LIGHT LENS BASE CRACKED AND LENS ATTACH BUTTON BROKED. 8-47<[01] REMOVED AND REPLACED HOUSING ASSY - EXIT SIGN AT CEILING ASSY - FWD 
- [SDR SWAA2024052877443](https://openairdocs.org/sdr/SWAA2024052877443), Apr 20, 2024: ATTACH ANGLE. CRACKED. GAP COVER 333AT SLIDING PANEL HAS ATTACH ANGLE CRACKED. 8-51<[01] REMOVED AND REPLACED BLADE ASSY AT GAP COVER PANEL 333AT REF B737-700 SRM 51-40-02-0G-0;[02] V
- [SDR SWAA2024052877012](https://openairdocs.org/sdr/SWAA2024052877012), Apr 19, 2024: ATTACH ANGLE. CRACKED. FASTENER HOLES CRACKED ON LEFT VAPOR BARRIER UPPER ATTACH ANGLE AT LBL 19; 25 & 33 POSITION. FASTENER HOLES CRACKED ON LEFT VAPOR BARRIER UPPER ATTACH ANGLE AT 
- [SDR SWAA2024052876688](https://openairdocs.org/sdr/SWAA2024052876688), Apr 19, 2024: CHANNEL. CORRODED. AFT CARGO COMP. L/H Z CHANNEL BETWEEN ST 727C TO ST 727D; LBL 21 HAVE LIGHT CORROSION AROUND 2 NUTPLATE HOLES (14' AND 18'). (228-001)<[01] FAULT TO BE ACCOMPLI
- [SDR SWAA2024052876689](https://openairdocs.org/sdr/SWAA2024052876689), Apr 19, 2024: CHANNEL. CORRODED. AFT CARGO COMP. L/H Z CHANNEL BETWEEN ST 727E TO ST 747; LBL 21 HAS LIGHT CORROSION AROUND NUTPLATE HOLE (10'). (228-003)<[01] FAULT TO BE ACCOMPLISHED ON TTG8Q
- [SDR SWAA2024052876687](https://openairdocs.org/sdr/SWAA2024052876687), Apr 19, 2024: CHANNEL. CORRODED. AFT CARGO COMP. L/H Z CHANNEL BETWEEN ST 767 TO ST 787; LBL 21 HAVE LIGHT CORROSION AROUND NUTPLATE HOLE (18'). (228-004)<[01] REMOVED AND REPLACED NEW Z CHANNE
- [SDR SWAA2024052876690](https://openairdocs.org/sdr/SWAA2024052876690), Apr 19, 2024: CHANNEL. CORRODED. AFT CARGO COMP. R/H Z CHANNEL BETWEEN ST 727C TO ST 727D; LBL 21 HAVE LIGHT CORROSION AROUND NUTPLATE HOLE (10). (228-005) AFT CARGO COMP. R/H Z CHANNEL BETWEEN
- [SDR SWAA2024052876691](https://openairdocs.org/sdr/SWAA2024052876691), Apr 19, 2024: CHANNEL. CORRODED. AFT CARGO COMP. R/H Z CHANNEL BETWEEN ST 727D TO ST 727E; LBL 21 HAVE LIGHT CORROSION AROUND NUTPLATE HOLES (6';7';8';16' AND 18). (228-006) AFT CARGO COMP. R/H
- [SDR SWAA2024052876692](https://openairdocs.org/sdr/SWAA2024052876692), Apr 19, 2024: CHANNEL. CORRODED. AFT CARGO COMP. R/H Z CHANNEL BETWEEN ST 727E TO ST 747; LBL 21 HAVE LIGHT CORROSION AROUND NUTPLATE HOLE (10). (228-007) AFT CARGO COMP. R/H Z CHANNEL BETWEEN 
- [SDR SWAA2024052876693](https://openairdocs.org/sdr/SWAA2024052876693), Apr 19, 2024: CHANNEL. CORRODED. AFT CARGO COMP. R/H Z CHANNEL BETWEEN ST 747 TO ST 767; RBL 21 HAVE LIGHT CORROSION AROUND NUTPLATE HOLES (6';10' AND 14'). (228-008)<[01] REMOVED AND REPLACED 
- [SDR SWAA2024052976684](https://openairdocs.org/sdr/SWAA2024052976684), Apr 18, 2024: SEAT TRACK. CORRODED. SEAT TRACK AT LBL 24.75; STA 360+11 FOUND EXFOLIATED.<[01] REMOVED AND REPLACED EXFOLIATED SEAT TRACK BETWEEN STA 360+11 AND STA 480 LBL 24.75 AS PER B737-700 S

All 330: https://openairdocs.org/aircraft/N473WN/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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