# N452WN: 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: 29846
- Year built: 2004
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: March 3, 2004
- Certificate issued: April 9, 2004
- Expires: March 31, 2030
- Mode S code: A57B8B
- 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=452WN
- Page: https://openairdocs.org/aircraft/N452WN

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/N452WN/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 N452WN.

## FAA accident and incident reports

None matched to N452WN.

## Service difficulty reports (321, 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 SWAA2026092273981](https://openairdocs.org/sdr/SWAA2026092273981), Sep 18, 2026: FLASHLIGHT. NO TEST. FWD FA FLASHLIGHT IS NOT TESTING PROPERLY. OK TO CONTINUE IAW MEL 25-12-01 SP1B. REPLACED FWD FA FLASHLIGHT, OPS CHKD GOOD IAW AMM 25-64-00.
- [SDR SWAA2026082490807](https://openairdocs.org/sdr/SWAA2026082490807), Aug 20, 2026: BATTERY PACK. NO TEST. EMERGENCY EXIT RT EMERGENCY BATTERY PACK M1669 FAILED CAPACITY CHECK. R & R THE BATTERY PACK IAW AMM 33-51-06.
- [SDR SWAA2026082418965](https://openairdocs.org/sdr/SWAA2026082418965), Aug 20, 2026: THRUST REVERSER. CRACKED. NR 2 ENGINE INBD THRUST REVERSER CRACKED AT STOW SENSOR CUT OUT. R & R THE NR 2 ENGINE INBD THRUST REVERSER ASSY IAW AMM 78-31-01-401.
- [SDR SWAA2026082403867](https://openairdocs.org/sdr/SWAA2026082403867), Aug 20, 2026: BATTERY PACK. NO TEST. EMERGENCY EXIT LT EMERGENCY BATTERY PACK M1668 FAILED CAPACITY CHECK. R & R CABIN EMERGENCY BATTERY PACK PER AMM 33-51-06
- [SDR SWAA2026082482464](https://openairdocs.org/sdr/SWAA2026082482464), Aug 20, 2026: BATTERY PACK. NO TEST. AFT RT EMERGENCY BATTERY PACK M1673 FAILED A CAPACITY CHECK. R & R CABIN EMERGENCY BATTERY PACK IAW AMM 33-51-06.
- [SDR SWAA2026082482360](https://openairdocs.org/sdr/SWAA2026082482360), Aug 20, 2026: BATTERY PACK. NO TEST. AFT LT EMERGENCY BATTERY PACK M1672 FAILED CAPACITY CHECK. R & R CABIN EMERGENCY BATTERY PACK IAW AMM 33-51-06.
- [SDR SWAA2026071019479](https://openairdocs.org/sdr/SWAA2026071019479), Jul 8, 2026: SLIDE. OUT OF POSITION. AFT EXIT DOOR SLIDE ON CAPTAINS SIDE HANGING BELOW CASE. SECURED AFT LT SLIDE IAW SIP
- [SDR SWAA2026040785679](https://openairdocs.org/sdr/SWAA2026040785679), Apr 2, 2026: STRAP. DEGRADED. FWD SERVICE DOOR SAFETY STRAP DEGRADED . R & R FWD SERVICE DOOR SAFETY STRAP IAW AMM 25-21-35.
- [SDR SWAA2026033083177](https://openairdocs.org/sdr/SWAA2026033083177), Mar 25, 2026: SIGN. LOOSE. F/A REPORTS EMERGENCY EXIT COVER LOOSE IN AFT GALLEY. R & R LT EMERGENCY EXIT SIGN LIGHT ASSEMBLY IN AFT GALLEY IAW AMM 33-51-01. OPS CHECK NORMAL.
- [SDR SWAA2026012965201](https://openairdocs.org/sdr/SWAA2026012965201), Jan 28, 2026: HANDLE. LOOSE. FA REPORT AFT RT SERVICE DOOR HANDLE IS LOOSE & UP ABOUT 1 INCH IN FLT. PERFORMED AFT GALLEY SERVICE DOOR (SOFT UNLATCHING) INSPECTION AND ADJUSTED BOTTOM GATE 
- [SDR SWAA2025121651866](https://openairdocs.org/sdr/SWAA2025121651866), Dec 12, 2025: SUPPORT. CRACKED. FLIGHT DECK P-6 PANEL C/B SUPPORT CRACKED. REPAIRED FLT DECK P-6 PANEL C/B SUPPORT IAW M-24-125-00167-B, MEASUREMENT OF CRACK: L: 0.275 INCH.
- [SDR SWAA2025121640226](https://openairdocs.org/sdr/SWAA2025121640226), Nov 27, 2025: LIGHT. BROKEN. BROKEN FLOOR LIGHTING PHOTOLUMINESCENT STRIP IN THE PAX CABIN (10 EA). REPLACED LIGHTS IAW MT 733-50-01, TTG8Q00FRFML.
- [SDR SWAA2025121740218](https://openairdocs.org/sdr/SWAA2025121740218), Nov 26, 2025: TRAY. BROKEN. BROKEN TRAYS PAX SEATS, ROWS 10D, 12E, 14E, 15E, 16E, AND 18D RT SIDE. REPLACED THE TRAYS IAW CMM 25-21-45-3860, REV 6, PAGE 10088, FIGURE 4, ITEM 60, AND SOPM 
- [SDR SWAA2025121640094](https://openairdocs.org/sdr/SWAA2025121640094), Nov 26, 2025: TEE ANGLE. DAMAGED. ELONGATED HOLE ON TEE ANGLE TRAILING EDGE LOCATED AT ORSS250 APPROX, RT WING. REPLACED THE TEE ANGLE IAW SRM 51-10-02, ITEM 9, & SRM 51-20-01.
- [SDR SWAA2025121647512](https://openairdocs.org/sdr/SWAA2025121647512), Nov 26, 2025: ANGLE. ELONGATED. ELONGATED HOLE ON TEE ANGLE TRAILING EDGE LOCATED AT ORSS250 APPROX, RT WING. REPLACED THE TEE ANGLE LOCATED TRAILING EDGE IAW SRM 51-10-02, ITEM 9, AND SRM 51-
- [SDR SWAA2025121739670](https://openairdocs.org/sdr/SWAA2025121739670), Nov 25, 2025: SUPPORT BEAM. CRACKED. CRACK ON SUPPORT BEAM LOCATED TRAILING EDGE ORSS 280 ON THE RT WING. REPLACED THE SUPPORT BEAM IAW SRM 51-40-02-0G-0, AND DWG 115A3712, SHEET 6, REV B.
- [SDR SWAA2025121739895](https://openairdocs.org/sdr/SWAA2025121739895), Nov 25, 2025: SUPPORT ANGLE. ELONGATED. ELONGATED HOLE TRAILING EDGE SUPPORT ANGLE LOC AT LEVEL ORSS 250 ON THE LT WING. REPLACED THE SUPPORT ANGLE IAW SRM 51-10-02, ITEM 9, AND SRM 51-20-01.
- [SDR SWAA2025121739500](https://openairdocs.org/sdr/SWAA2025121739500), Nov 24, 2025: RETAINER. MISSING. MISSING CUT OUT DOOR RETAINER LOCATED ON UPPER SILL IN FWD CARGO BAY (2 EA). INSTALLED THE RETAINERS IAW SOPM 20-50-19.
- [SDR SWAA2025121639378](https://openairdocs.org/sdr/SWAA2025121639378), Nov 24, 2025: SCUFF PLATE. CRACKED. CRACKED AFT CORNER SCUFF PLATE, AFT CARGO BAY DOOR CUTOUT. REPAIRED THE SCUFF PLATE IAW SRM 53-60-15-2R-1, REPAIR 1, & BAC 5975.
- [SDR SWAA2025121639377](https://openairdocs.org/sdr/SWAA2025121639377), Nov 24, 2025: SUPPORT ANGLE. CRACKED. CRACKED DEFLECTION CONTROL RIB TRAILING EDGE SUPPORT ANGLE LOCATED AT ORSS 271, RT WING. REPLACED DEFLECTION CONTROL RIB TRAILING EDGE SUPPORT ANGLE IAW SRM 51-
- [SDR SWAA2025121639499](https://openairdocs.org/sdr/SWAA2025121639499), Nov 24, 2025: SUPPORT ANGLE. CRACKED. CRACKED DEFLECTION CONTROL RIB, TRAILING EDGE SUPPORT ANGLE LOCATED AT ORSS 270, LT WING. REPLACED THE DEFLECTION CONTROL RIB TRAILING EDGE SUPPORT ANGLE LOCATE
- [SDR SWAA2025121639202](https://openairdocs.org/sdr/SWAA2025121639202), Nov 23, 2025: LENS. MISSING. MISSING EMERGENCY LIGHT LENS ON THE BULL NOSE OVERHEAD STOWAGE BIN 11 LT SIDE. INSTALLED THE LENS IAW AMM 33-51-03-960-802.
- [SDR SWAA2025121638937](https://openairdocs.org/sdr/SWAA2025121638937), Nov 22, 2025: SUPPORT ANGLE. CRACKED. CRACKED SUPPORT ANGLE FLOOR STRUCTURE, BS 695, LBL 24.75 IN PASSENGER CABIN. REPLACED THE SUPPORT ANGLE IAW SRM 51-40-02-0G-0, DWG 273A9110, SHEET 6, REV A, & D
- [SDR SWAA2025121638936](https://openairdocs.org/sdr/SWAA2025121638936), Nov 22, 2025: SUPPORT ANGLE. CRACKED. CRACKED SUPPORT ANGLE FLOOR STRUCTURE, BS 695, AND RBL 24.5. REPLACED THE SUPPORT ANGLE AND FASTENERS IAW SRM 51-40-02-0G-0, & DWG 273A9110, SHEET 6, REV A, & D
- [SDR SWAA2025121638625](https://openairdocs.org/sdr/SWAA2025121638625), Nov 21, 2025: ACCESS PANEL. DELAMINATED. DELAMINATED ACCESS PANEL 193B BODY FAIRING AT FUSELAGE EXTERIOR. REPAIRED THE ACCESS PANEL ON THE BODY FAIRING IAW SRM 51-70-04-2R-10, REPAIR 10.
- [SDR SWAA2025121636999](https://openairdocs.org/sdr/SWAA2025121636999), Nov 20, 2025: RIB. CRACKED. CENTER TANK RIB CRACKED AT BS 540, LBL 25, WL 202. REPLACED VERTICAL STIFFENER RIB & FASTENERS IAW SRM 51-40-02, SRM 51-10-02, ITEM 9, DWG 111A2001, SHEET 77, R
- [SDR SWAA2025121647502](https://openairdocs.org/sdr/SWAA2025121647502), Nov 20, 2025: STIFFENER. CRACKED. CENTER TANK RIB CRACKED AT BS 540, LBL 25, WL 202. REPLACED VERTICAL STIFFENER RIB AND FASTENER LOCATED IAW SRM 51-40-02, SRM 51-10-02, ITEM 9, DWG 111A2001, SH
- [SDR SWAA2025121636996](https://openairdocs.org/sdr/SWAA2025121636996), Nov 19, 2025: SKIN. CRACKED. CRACKED LOWER SURFACE OF LEADING EDGE SLAT 2 NOSE SKIN AT ACTUATOR LOCATION, AROUND FASTENER AT LT WING. REPAIRED SLAT 2 LOWER SURFACE OF LEADING EDGE NOSE SKIN
- [SDR SWAA2025111805583](https://openairdocs.org/sdr/SWAA2025111805583), Nov 14, 2025: FASTENER. CRACKED. CENTER TANK RIB CRACKED AT STA 540 25LBL WL 202. BS 540 LBL 25 WL 202. FAULT RESOLVED IN OTHER FAULT SEE TTG8Q018YKSY.
- [SDR SWAA2025111834922](https://openairdocs.org/sdr/SWAA2025111834922), Nov 14, 2025: RIB. CRACKED. CENTER TANK RIB CRACKED AT STA 540 25LBL WL 202. BS 540 LBL 25 WL 202. FAULT RESOLVED IN OTHER FAULT SEE TTG8Q018YKSY.
- [SDR SWAA2025111734930](https://openairdocs.org/sdr/SWAA2025111734930), Nov 14, 2025: ISOLATOR MOUNT. BROKEN. AFT PASSENGER ENTRY DOOR SLIDE AFT ATTACH POINT HAS TWO SLIDE ATTACH ISOLATORS BROKEN. REMOVED AND REPLACED IAW SRM 51-40-02-0G-0-A00729.
- [SDR SWAA2025111734921](https://openairdocs.org/sdr/SWAA2025111734921), Nov 14, 2025: ATTACH BRACKET. CRACKED. FWD ATTACH BRACKET FOR INBD SUPPORT FOR PANEL 651AT ON R/H WING IS CRACKED. REMOVED AND REPLACED FWD ATTACH BRACKET FOR INBD SUPPORT FOR PANEL 651AT ON RT WING 
- [SDR SWAA2025041424020](https://openairdocs.org/sdr/SWAA2025041424020), Apr 12, 2025: SLIDE. LOOSE. FA REPORT AFT ENTRY SLIDE LOOSE<[01] VERIFIED AFT ENTRY DOOR ESCAPE SLIDE VELCRO SECURED PER AMM 25-66-01
- [SDR SWAA2025022799530](https://openairdocs.org/sdr/SWAA2025022799530), Feb 25, 2025: COFFEEMAKER. SMOKE. FA SAID #1 AFT COFFEE MAKER SMELLED OF SMOKE WHEN TURNED ON. <[01] R&R #1 AFT GALLEY COFFEE MAKER OPS CHECK GOOD REF AMM 25-30-01.
- [SDR SWAA2025022097049](https://openairdocs.org/sdr/SWAA2025022097049), Feb 18, 2025: SKIRT. WORN. AFT GALLEY SERVICE DOOR ESCAPE SLIDE SKIRT WORN<[01] R&R AFT GALLEY SERVICE DOOR ESCAPE SLIDE IAW AMM 25-66-01.<BR>REF. TTG8Q00YSHZK.;[02] INSPECTION C/W R&R AF
- [SDR SWAA2025021996981](https://openairdocs.org/sdr/SWAA2025021996981), Feb 18, 2025: DOOR. CRACKED. L/H MLG STRUT DOOR IS CRACKED<[01] OK TO CONTINUE PER CDL 32-10-3 XC SP1B. REMOVED L/H MLG STRUT DOOR. REF AMM 32-13-11
- [SDR SWAA2024101748047](https://openairdocs.org/sdr/SWAA2024101748047), Oct 13, 2024: TAILPIPE. FIRE. AFTER ENGINE SHUTDOWN; RAMP REPORTED TAIL PIPE FIRE IN THE EXHAUST NOZZLE #2 ENG NO ENGINE FIRE INDICATIONS IN THE FLIGHT DECK. FIRE DEPARTMENT ARRIVED AND DISC
- [SDR SWAA2024101046422](https://openairdocs.org/sdr/SWAA2024101046422), Oct 7, 2024: SIGN. DETACHED. EXIST SIGN OVER THE FO SIDE REAR EXIT FELL OFF<[01] RESECURED LENS IAW AMM 33-51-01
- [SDR SWAA2024041574007](https://openairdocs.org/sdr/SWAA2024041574007), Apr 12, 2024: LENS. LOOSE. FWD GALLEY BULKHEAD EXIT LIGHT LENS CAME OFF<[01] REPLACED FWD ENTRY EXIT LIGHT LENS PER SIP OPS CHECK NORMAL
- [SDR SWAA2024020847634](https://openairdocs.org/sdr/SWAA2024020847634), Feb 2, 2024: SKIRT. OUT OF ADJUST. L2 DOOR SLIDE SKIRT RUBS ON SCUFF PLATE WHILE OPENING AND CLOSING THE DOOR<[01] ADJUSTED AFT ENTRY DOOR; DOOR MOUNTED ESCAPE SLIDE GIRT BAR Z-FOLD WITH MT 725-6
- [SDR SWAA2024020847631](https://openairdocs.org/sdr/SWAA2024020847631), Feb 2, 2024: LENS. LOOSE. UPPER CEILING PANEL BETWEEN LAV A DOOR AND COCKPIT DOOR ATTENDANT CALL LIGHT LENSE IS LOOSE<[01] REMOVED AND REPLACED LENS AT THE UPPER CEILING PANEL BETWEEN LA
- [SDR SWAA2024020847049](https://openairdocs.org/sdr/SWAA2024020847049), Jan 31, 2024: FITTING. BROKEN. LOWER FUS. DRAIN FITTING AT STA. 1016; APPROX. RBL 4 IS BROKEN<[01] REMOVED AND REPLACED LOWER FUS. DRAIN FITTING AT STA. 1016; APPROX. RBL 4 AS PER SRM 51-40-0
- [SDR SWAA2024020847165](https://openairdocs.org/sdr/SWAA2024020847165), Jan 31, 2024: BATTERY PACK. INOPERATIVE. MULTIPLE EMERGENCY LIGHTS IN PAX CABIN INOP<[01] REMOVED AND REPLACED EMERGENCY BATTERY PACKS AT POSITIONS M1672; M1674 AND M1675 AS PER REF B-737; AMM 33-51-06
- [SDR SWAA2024020850286](https://openairdocs.org/sdr/SWAA2024020850286), Jan 31, 2024: CHARGER. INOPERATIVE. MULTIPLE EMERGENCY LIGHTS IN PAX CABIN INOP<[01] REMOVED AND REPLACED EMERGENCY BATTERY PACKS AT POSITIONS M1672; M1674 AND M1675 AS PER REF B-737; AMM 33-51-06
- [SDR SWAA2024020945705](https://openairdocs.org/sdr/SWAA2024020945705), Jan 28, 2024: INSERT. MISSING. INSERT IS MISSING AT R-2 DOOR AFT GIRT BAR FITTING.<[01] REMOVED AND REPLACED INSERT AT R2 DOOR AFT GIRT BAR FITTING. AS PER; SRM 53-00-50-2R-3.;[02] VERIFIED S
- [SDR SWAA2024020942499](https://openairdocs.org/sdr/SWAA2024020942499), Jan 18, 2024: LIGHT. DETERIORATED. PHOTOLUMINESCENT DETERIORATED/SCRATCHED THROUGHOUT THE CABIN<[01] REMOVED AND REPLACED MAIN CABIN PHOTOLUMINESCENT IN REF DRAWING# 33500007;[02] VERIFIED STEP 1
- [SDR SWAA2024020943436](https://openairdocs.org/sdr/SWAA2024020943436), Jan 10, 2024: ACCESS PANEL. CRACKED. ACCESS PNL. # 323AR HAS PANEL LWR. POSITIONING METAL CLIP IS CRACKED . PANEL ATTACHED METAL CLIP IS CRACKED.<[01] REMOVED AND REPLACED RETAINER ON ACCESS PANEL 
- [SDR SWAA2024020939431](https://openairdocs.org/sdr/SWAA2024020939431), Jan 9, 2024: LIGHT. DAMAGED. R/H OVERWING EXIT DOOR LOWER EMERGENCY EXIT LIGHT ASSY DAMAGED<[01] REPLACED R/H OVERWING EXIT DOOR LOWER EMERGENCY EXIT LIGHT ASSY AS PER REF AMM TASK 33-51-01
- [SDR SWAA2024020837381](https://openairdocs.org/sdr/SWAA2024020837381), Jan 3, 2024: SKIN. CRACKED. R1-DOOR CUTOUT SKIN FWD STA 312 4' BELOW STR 8R APPEARED CRACK AROUND FASTENER<[01] INSTALLED REPAIR AT R1 DOOR CUTOUT BEARSTRAP SKIN REF SRM 53-10-01 ATR-6 4.N
- [SDR SWAA2024020936896](https://openairdocs.org/sdr/SWAA2024020936896), Jan 2, 2024: ANGLE. CORRODED. AFT CARGO COMP CORROSION AT FLOOR SUPPORT ANGLE STA 947.5<[01] THIS JOB CARD WILL BE ACCOMPLISH ON TASK CARD#TTG8Q00QN1JX.;[02] VERIFIED STEP 1.

All 321: https://openairdocs.org/aircraft/N452WN/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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