# N488WN: 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: 33853
- Year built: 2004
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: October 13, 2004
- Certificate issued: November 4, 2004
- Expires: November 30, 2028
- Mode S code: A60852
- 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=488WN
- Page: https://openairdocs.org/aircraft/N488WN

From the FAA registry file of October 22, 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/N488WN/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 N488WN.

## FAA accident and incident reports

None matched to N488WN.

## Service difficulty reports (352, 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 SWAA2026101946866](https://openairdocs.org/sdr/SWAA2026101946866), Oct 12, 2026: SLIDE. OUT OF POSITION. AE ESCAPE SLIDE FLAP NEEDS READJUSTED_ REPOSITIONED AFT ENTRY SLIDE REF MT #725-61-06.
- [SDR SWAA2026080379245](https://openairdocs.org/sdr/SWAA2026080379245), Jul 29, 2026: LIGHT. INOPERATIVE. L1 DOOR OUTSIDE EMERGENCY LIGHT INOPERATIVE. REPLACED THE LAMP IN THE EMERGENCY LIGHT IAW AMM 33-51-04. OPS CHKD GOOD.
- [SDR SWAA2026072736731](https://openairdocs.org/sdr/SWAA2026072736731), Jul 22, 2026: SLIDE. PARTIAL DEPLOY. FRONT PROVISIONING DOOR EMERGENCY SLIDE PARTIALLY DEPLOYED. REINSTALLED FS (R1) DOOR SLIDE PER AMM 25-66-01 AND MT#725-61-06.
- [SDR SWAA2026070112804](https://openairdocs.org/sdr/SWAA2026070112804), Jun 16, 2026: SUPPORT BRACKET. CRACKED. CRACK FOUND IN THE UPPER SUPPORT BRACKET ON THE BULKHEAD AT BS 663, RBL 52, WL 165. REMOVED AND REPLACED VAPOR BARRIER SUPPORT CHANNEL BS 663 RBL 54 TO RBL 70 I
- [SDR SWAA2026070112429](https://openairdocs.org/sdr/SWAA2026070112429), Jun 15, 2026: CROSSBEAM. CRACKED. CRACK FOUND ON PANEL BREAK ANGLE AT STA 540 FROM LBL45.57-LBL24.82. NO ALLOWABLE DAMAGE PARTS THAT DO NOT HAVE ENTRIES ARE CALLED REPAIRABLE BY REPLACEMENT IAW 
- [SDR SWAA2026070112430](https://openairdocs.org/sdr/SWAA2026070112430), Jun 15, 2026: INTERCOSTAL. CRACKED. CRACK FOUND ON INTERCOSTAL CLIP AT STA 690 FROM RBL.07. REMOVED AND REPLACED INTERCOSTAL CLIP AT BS 690 RBL .07 IAW SRM 51-40-02 AND DWG 273A9110, REV A.
- [SDR SWAA2026070112426](https://openairdocs.org/sdr/SWAA2026070112426), Jun 15, 2026: CROSSBEAM. CRACKED. CRACK FOUND ON PANEL BREAK ANGEL AT STA 540 FROM RBL45.57-RBL24.82. NO ALLOWABLE DAMAGE PARTS THAT DO NOT HAVE ENTRIES ARE CALLED REPAIRABLE BY REPLACEMENT IAW 
- [SDR SWAA2026070112428](https://openairdocs.org/sdr/SWAA2026070112428), Jun 15, 2026: CROSSBEAM. CRACKED. CRACK FOUND ON PANEL BREAK ANGLE AT STA 540 FROM LBL 24.82 - LBL.07. NO ALLOWABLE DAMAGE PARTS THAT DO NOT HAVE ENTRIES ARE CALLED REPAIRABLE BY REPLACEMENT IAW
- [SDR SWAA2026070112427](https://openairdocs.org/sdr/SWAA2026070112427), Jun 15, 2026: CROSSBEAM. CRACKED. CRACK FOUND ON PANEL BREAK ANGLE AT BS 540 FROM RBL24.82-RBL.07. NO ALLOWABLE DAMAGE PARTS THAT DO NOT HAVE ENTRIES ARE CALLED REPAIRABLE BY REPLACEMENT IAW SRM
- [SDR SWAA2026070111439](https://openairdocs.org/sdr/SWAA2026070111439), Jun 11, 2026: SEAT TRACK. CORRODED. CORROSION ON SEAT TRACK LBL 45 AT BS480+18; BS500A+7; BS500C+10: BS500D+10. SEAT TRACK WILL BE REPLACED ON FAULT TTG8Q01CP3X6.
- [SDR SWAA2026063010909](https://openairdocs.org/sdr/SWAA2026063010909), Jun 10, 2026: SKIN. CRACKED. CRACK ON RT LOWER HORIZONTAL STABILIZER SKIN AT STAB STA 193.90; 17.5' FROM FWD EDGE. REMOVED THE DAMAGED PART ON RH HORIZONTAL STAB LOWER SKIN STA 193.9 17.5' 
- [SDR SWAA2026070110468](https://openairdocs.org/sdr/SWAA2026070110468), Jun 9, 2026: PRESSURE DECK. CRACKED. CRACK NOTED ON LH HORIZONTAL PRESSURE DECK BS 663+9.5; LBL 37.5; WL 202.5; L: 0.3'. PERFORMED REPAIR AT HORIZONTAL PRESSURE DECK BETWEEN BS 663 TO BS 675 LBL 30
- [SDR SWAA2026041388306](https://openairdocs.org/sdr/SWAA2026041388306), Apr 10, 2026: HANDLE. BROKEN. AFT SERVICE DOOR HANDLE BROKEN. R&R THE ASSIST ENTRY NUT ON THE ASSIST HANDLE REF AMM 52-13-31
- [SDR SWAA2026030976690](https://openairdocs.org/sdr/SWAA2026030976690), Mar 5, 2026: BATTERY PACK. NO TEST. BATTERY PACK AT 14DEF FAILED A TIME CHECK. REMOVED & REPLACED THE BATTERY PACK 14DEF IAW AMM 33-51-06. OPS CHECKED GOOD.
- [SDR SWAA2026030976691](https://openairdocs.org/sdr/SWAA2026030976691), Mar 5, 2026: PLATE. CRACKED. RIGHT WING LOWER SHELF PANEL WAFFLE PLATE CRACKED OTBD NR 6 FLAP TRACK. REMOVED AND REPLACED THE WAFFLE PLATE OTBD OF NR 6 FLAP TRACK IAW SRM 51-40-02, AMM 54-5
- [SDR SWAA2026021270216](https://openairdocs.org/sdr/SWAA2026021270216), Feb 11, 2026: FILTER. FUMES. AFTER TAKEOFF, ACRID FUMES. APPARENT SOURCE COULD NOT BE IDENTIFIED. FLIGHT ATTENDANTS REPORTED IT WAS NOTICIABLE THROUGH THE CABIN. STRONG FUMES NOTICIABLE IN 
- [SDR SWAA2026021270217](https://openairdocs.org/sdr/SWAA2026021270217), Feb 11, 2026: WATER SEPARATOR. FUMES. AFTER TAKEOFF, ACRID FUMES. APPARENT SOURCE COULD NOT BE IDENTIFIED. FLIGHT ATTENDANTS REPORTED IT WAS NOTICIABLE THROUGHT THE CABIN. STRONG FUMES NOTICIABLE IN
- [SDR SWAA2026021269514](https://openairdocs.org/sdr/SWAA2026021269514), Feb 11, 2026: ACM. FUMES. AFTER TAKEOFF, ACRID FUMES APPARENT, THE SOURCE COULD NOT BE IDENTIFIED. FLIGHT ATTENDANTS REPORTED IT WAS NOTICIABLE THROUGHT THE CABIN. STRONG FUMES NOTICIABL
- [SDR SWAA2025102025305](https://openairdocs.org/sdr/SWAA2025102025305), Oct 17, 2025: HANDLE. BROKEN. L1 DOOR ASSIST HANDLE BROKEN. SWAPPED ASSIST HANDLE FROM FWD LAV TO L1 DOOR PER AMM 52-11-31. L1 DOOR ASSIST HANDLE OPS NORMAL. OK TO CONTINUE PER MEL 25-10-01.
- [SDR SWAA2025102025460](https://openairdocs.org/sdr/SWAA2025102025460), Oct 17, 2025: HANDLE. UNSECURE. CREW REPORTSL1 DOOR HANDLE UNSCREWED. SECURED HANDLE IAW SIP.OPS CHECKED GOOD
- [SDR SWAA2025072893950](https://openairdocs.org/sdr/SWAA2025072893950), Jul 22, 2025: SENSOR. FAULTY. TWO POPS HEARD ON NR 1 ENGINE AT 41K FT .79 MACH TAT -32C N1 ROLLED BACK APPROX 5%. . AUTOTHROTTLES DID NOT DISCONNECT AND ENGINE STABILIZED. ALL ENGINE PARAMET
- [SDR SWAA2025061179935](https://openairdocs.org/sdr/SWAA2025061179935), Jun 10, 2025: BATTERY PACK. FAILED. AFT L/H EMERGENCY LIGHTING BATTERY PACK FAILED THE CAPACITY CHECK. REMOVED AND REPLACED BATTERY PACK PER M/M 33-51-06.
- [SDR SWAA2024081525951](https://openairdocs.org/sdr/SWAA2024081525951), Aug 14, 2024: LIGHT. INOPERATIVE. AED EMERGENCY EXIT LIGHT HAS A BULB BURNT OUT<[01] RE-LAMPED AED EMERGENCY EXIT LIGHT PER AMM 33-51-01-960-801; OPS CHECK GOOD.<BR><BR>ALL ACTIONS COMPLETE;[02]
- [SDR SWAA2024081525952](https://openairdocs.org/sdr/SWAA2024081525952), Aug 14, 2024: BUTTON. INOPERATIVE. AFT FLIGHT ATTENDANT EMERGENCY EXIT LIGHT BUTTON DOSENT ILLUMINATE<[01] RE-LAMPED AFT FLIGHT ATTENDANT EMERGENCY EXIT LIGHT BUTTON PER SWPM 20-84-14; OPS CHECK 
- [SDR SWAA2024081524491](https://openairdocs.org/sdr/SWAA2024081524491), Aug 11, 2024: BATTERY PACK. INOPERATIVE. EMERGENCY LIGHT OUTSIDE R2 DOOR IS INOP<[01] FOUND BATTERY PACK M1672 INOPERATIVE IAW WDM 33-51-14. ORDERED BATTERY PACK; PENDING REPLACE.;[02] VERIFIED;[03] VE
- [SDR SWAA2024081424489](https://openairdocs.org/sdr/SWAA2024081424489), Aug 11, 2024: BATTERY PACK. INOPERATIVE. EMERGENCY LIGHTS ON PAX CABIN BINS 7 R/H AND 8 R/H ARE INOP<[01] FOUND BATTERY PACK M1672 INOPERATIVE IAW WDM 33-51-14. ORDERED BATTERY PACK; PENDING REPLACE.;[
- [SDR SWAA2024081424490](https://openairdocs.org/sdr/SWAA2024081424490), Aug 11, 2024: BATTERY PACK. INOPERATIVE. EMERGENCY LIGHTS ON AFT CEILING EXIT SIGN AND AFT ENTRY HEADER PANEL ARE INOP<[01] FOUND BATTERY PACK M1672 INOPERATIVE IAW WDM 33-51-14. ORDERED BATTERY PACK; 
- [SDR SWAA2024081622822](https://openairdocs.org/sdr/SWAA2024081622822), Aug 6, 2024: SKIN. DEBONDED. FOUND AREA OF DISBOND ON TAILCONE; RT SIDE LOWER APPROX 10 INCHES AFT OF FWD EDGE. (MARKED)<[01] DISBONDED AREA ON TAIL CONE; RIGHT SIDE LOWER APPROX. 10 INCHES
- [SDR SWAA2024081421220](https://openairdocs.org/sdr/SWAA2024081421220), Aug 1, 2024: TEAR STRAP. INCORRECT. REJECT: UPPER TEAR STRAP HAS INCORRECT FASTENER SPACING REFER TO FIGURE 1-2 AND SRM 53-00-01 FIGURE 201/REPAIR 35 DETAIL F<[01] REPAIR WAS FABRICATED IAW SRM 53
- [SDR SWAA2024081419914](https://openairdocs.org/sdr/SWAA2024081419914), Jul 30, 2024: LIGHT. DAMAGED. AFT LAV EXIT LIGHT INDICATOR IS DAMAGED<[01] REPLACED EXIT SIGN LIGHT ASSEMBLY IN THE AFT LAV IAW AMM 33-51-01-960-802 AND PENDING FOR EMERGENCY LIGHTS - OPERAT
- [SDR SWAA2024081415739](https://openairdocs.org/sdr/SWAA2024081415739), Jul 23, 2024: SIGN. DAMAGED. G-1 GALLEY EXIT LIGHT INDICATOR IS DAMAGED<[01] REPLACED G1 EXIT LIGHT INDICATOR IAW AMM 33-51-14-960-802.;[02] LIGHT TEST WILL BE ACCOMPLISHED ON TASK CARD TTG
- [SDR SWAA2024081413091](https://openairdocs.org/sdr/SWAA2024081413091), Jul 16, 2024: BAFFLE. CRACKED. FCB BAFFLE IS CRACKED BETWEEN BS500A TO BS500B RBL 23 WL156<[01] REMOVED AND REPLACED AT FCB BAFFLE BETWEEN BS500A TO BS500B RBL 23 WL156 IAW B-737-700 SRM 51-1
- [SDR SWAA2024081611811](https://openairdocs.org/sdr/SWAA2024081611811), Jul 12, 2024: FRAME. CRACKED. PASSENGER CABIN FED UPPER FRAME BS 312 STR 5L CRACKED<[01] VERIFIED COMPLIED WITH THE TASK CARD.;[02] ALL STEPS COMPLETED;[03] ALL STEPS COMPLETED/CARD COMPLETE
- [SDR SWAA2024081511961](https://openairdocs.org/sdr/SWAA2024081511961), Jul 12, 2024: SUPPORT ANGLE. CRACKED. MAIN EBAY OXYGEN BOTTLE SUPPORT ANGLE CRACKED BS362 RBL10 WL158. MARKED<[01] REMOVED AND REPLACED NEW OXYGEN CYLINDER SUPPORT RING ON BS362 RBL10 WL158 IAW SRM 
- [SDR SWAA2024081311958](https://openairdocs.org/sdr/SWAA2024081311958), Jul 12, 2024: FRAME. CRACKED. AFT CARGO BAY FRAME IS CRACKED ON INBOARD FLANGE; BS 747; RBL 20<[01] PARTIALLY COMPLETED STEP-9;[02] AFT CARGO BAY FRAME IS CRACK ON INBOARD FLANGE; BS 747; RB
- [SDR SWAA2024081511120](https://openairdocs.org/sdr/SWAA2024081511120), Jul 10, 2024: SUPPORT ANGLE. CRACKED. BS 727 BULKHEAD SUPPORT ANGLE IS CRACKED AT RBL 5; WL 164<[01] REMOVED AND REMPLACED BULKHEAD SUPPORT ANGLE<BR>BS 727 RBL5 WL164 IAW SRM 51-40-02 AND DWG 144A26
- [SDR SWAA2024081411117](https://openairdocs.org/sdr/SWAA2024081411117), Jul 10, 2024: SUPPORT. CORRODED. AFT CARGO BAY FLOOR TO SIDE WALL SUPPORT IS CORRODED AT BS 874 AND 881; RBL 17 WL 156<[01] NO DAMAGE NOTED; CLEANED AND INSPECTED IAW SRM 51-10-02;[02] VERIFIED
- [SDR SWAA2024081411116](https://openairdocs.org/sdr/SWAA2024081411116), Jul 10, 2024: SUPPORT. CORRODED. AFT CARGO BAY FLOOR TO SIDE WALL SUPPORT IS CORRODED 727+5-767; RBL 21; WL 156<[01] REMOVED AND REPLACED NEW ON AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT IAW SRM 
- [SDR SWAA2024081311118](https://openairdocs.org/sdr/SWAA2024081311118), Jul 10, 2024: SUPPORT. CORRODED. AFT CARGO BAY FLOOR TO SIDE WALL SUPPORT IS CORRODED BS 727+5-847; LBL 21; WL 156<[01] AFT CARGO BAY FLOOR TO SIDE WALL SUPPORT WITH CORROSION OUT OF LIMITS REM
- [SDR SWAA2024081610456](https://openairdocs.org/sdr/SWAA2024081610456), Jul 9, 2024: PANEL. DEBONDED. PANEL 194DL OUTER SKIN IS DISBONDED NEAR CENTER OF PANEL. (MARKED)<[01] 'PANEL 194DL OUTER SKIN IS DISBONDED NEAR CENTER OF PANEL. (MARKED)' IS COMPLETED IAW SR
- [SDR SWAA2024081510856](https://openairdocs.org/sdr/SWAA2024081510856), Jul 9, 2024: SUPPORT. CRACKED. FWD CARGO BAY AFT BULKHEAD SUPPORT GUSSET IS CRACKED BS500D S-19R WL193. MARKED<[01] REMOVED AND INSTALLED NEW FWD CARGO BAY AFT BULKHEAD SUPPORT GUSSET BS500D 
- [SDR SWAA2024081510851](https://openairdocs.org/sdr/SWAA2024081510851), Jul 9, 2024: SHIELD. CORRODED. CORROSION ON AFT SHIELD AT FCB BS500+10 - BS500A RBL24 WL156. MARKED<[01] REMOVED AND REPLACED AFT SHIELD ASSY BETWEEN BS 492.4 - BS500A RBL 24 WL 156 IAW B-737
- [SDR SWAA2024081510855](https://openairdocs.org/sdr/SWAA2024081510855), Jul 9, 2024: ATTACH ANGLE. CRACKED. CRACKED INTERCOSTAL ATTACH ANGLE AT FCB BS400 LBL25 WL154.<[01] REMOVED AND REPLACED ANGLE AT FCB BS400 LBL 25 WL 154<BR>IAW SRM 51-40-02 AND DWG 143A7505 REV. 
- [SDR SWAA2024081410850](https://openairdocs.org/sdr/SWAA2024081410850), Jul 9, 2024: STRINGER. CRACKED. CRACKED STRINGER AT AREA AFT OF FCB BS535 S-23L WL164. MARKED<[01] REPAIRED CRACKED STRINGER AT AREA AFT OF FCB BS535 S-23L WL164 PER EA 24-153-01866.;[02] VERI
- [SDR SWAA2024081410849](https://openairdocs.org/sdr/SWAA2024081410849), Jul 9, 2024: STRINGER. CRACKED. CRACKED STRINGER AT AREA AFT OF FCB BS535 S-26L WL153. MARKED<[01] VERIFIED STEP 4 COMPLETED.;[02] VERIFIED STEP 5 COMPLETED.;[03] REPAIRED STR-26L WL 153 BETWE
- [SDR SWAA2024081410848](https://openairdocs.org/sdr/SWAA2024081410848), Jul 9, 2024: STRINGER. CRACKED. CRACKED STRINGER AT AREA AFT OF FCB BS535 S-26R WL153. MARKED<[01] REPAIRED STR-26R WL 153 BETWEEN BS 510 TO BS 540 PER SRM 53-00-03-2R-1.;[02] VERIFIED CORRECT
- [SDR SWAA2024081410852](https://openairdocs.org/sdr/SWAA2024081410852), Jul 9, 2024: SHIELD. CORRODED. CORROSION ON FWD SHIELD AT FCB BS400 - BS409 RBL24 WL156. MARKED<[01] VERIFIED STEP 5 COMPLETED.;[02] REMOVED AND REPLACED FWD SHIELD AT FCB BETWEEN BS420 - BS4
- [SDR SWAA2024081410853](https://openairdocs.org/sdr/SWAA2024081410853), Jul 9, 2024: SUPPORT. CORRODED. CORROSION ON FLOOR TO SIDEWALL SUPPORT AT FCB BS500A - BS500D RBL23 WL156. MARKED<[01] REMOVED AND REPLACED FLOOR TO SIDEWALL SUPPORT AT FCB (ZEE CHANNEL) BETWE
- [SDR SWAA2024081310847](https://openairdocs.org/sdr/SWAA2024081310847), Jul 9, 2024: STRINGER. CRACKED. CRACKED STRINGER AT AREA AFT OF FCB BS535 S-25R WL155. MARKED<[01] 'REPAIRED PER EA 24-153-01875. THIS IS A CATEGORY A REPAIR AS DEFINED IN 737-700 SRM 51-00-06
- [SDR SWAA2024081610304](https://openairdocs.org/sdr/SWAA2024081610304), Jul 8, 2024: SEAL. CRACKED. RT HORIZONTAL STAB UPPER FWD SLIDE SEAL CRACKED.<[01] REMOVED RT HORIZONTAL STAB UPPER SLIDE SEAL IAW AMM 53-31-31-000-802. INSTALLED ATTACHING HARDWARE TO NEW 

All 352: https://openairdocs.org/aircraft/N488WN/reports.md

## STCs that may be installed (OpenAirDocs) (37)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Boeing 737-7H4)

- [STC ST00555AT](https://openairdocs.org/stc/ST00555AT): Installation of Airshow 210 system. AIRCRAFT RECONFIG TECHNOLOGIES, LLC. Lists 737 Series
- [STC SA4842SW](https://openairdocs.org/stc/SA4842SW): Modification of air to air heat exchanger (P/N 182820-2 Series 2). Honeywell International Inc. Lists 737 Series
- [STC SA270NW](https://openairdocs.org/stc/SA270NW): Installation of modified seat. Aviation Technical Services. Lists 737 Series
- [STC ST01162NY](https://openairdocs.org/stc/ST01162NY): Installation of Literature Pockets. Magee Plastics Company. Lists 737 Series
- [STC SA2607SO](https://openairdocs.org/stc/SA2607SO): Installation of coffee maker P/N 416-1001-29. B/E Aerospace Inc. Lists 737 Series
- [STC SA2608SO](https://openairdocs.org/stc/SA2608SO): Installation of rail assembly, P/N 416-0201-15. B/E Aerospace Inc. Lists 737 Series
- [STC SA3058SO](https://openairdocs.org/stc/SA3058SO): Installation of coffee maker 416-0001-23 and rail assembly 416-0201-5. B/E Aerospace Inc. Lists 737 Series
- [STC ST01476AT](https://openairdocs.org/stc/ST01476AT): Installation of coffee maker. B/E Aerospace Inc. Lists 737 Series
- [STC ST01778AT](https://openairdocs.org/stc/ST01778AT): Installation of espresso maker p/n 3510-0066-01. B/E Aerospace Inc. Lists 737 Series
- [STC SA629GL](https://openairdocs.org/stc/SA629GL): Installation of Grimes galley, Model 1545LW unit 2 and unit 4. B/E Aerospace. Lists 737 Series
- [STC ST01332AT](https://openairdocs.org/stc/ST01332AT): Installation of Galley Service Carts. Champ International, Inc. Lists 737 Series
- [STC ST09870SC](https://openairdocs.org/stc/ST09870SC): Installation of Mechanical Window Shades. Lou Martin & Associates. Lists 737 Series
- [STC ST00033AT](https://openairdocs.org/stc/ST00033AT): Installation of a single Mode S system and provisions for a TCAS II system. General Aerospace, Inc. Lists 737 Series
- [STC SA4532NM](https://openairdocs.org/stc/SA4532NM): Installation of Coltech, CTD-80 ATSCALL, enabling company calling of selected aircraft via company selected radio. Avtech Corporation. Lists 737 Series
- [STC ST4532NM](https://openairdocs.org/stc/ST4532NM): Installation of Coltech CTD-80 ATSCALL, enabling company calling of selected aircraft via company selected radio. Avtech Corporation. Lists 737 Series
- [STC ST00774NY](https://openairdocs.org/stc/ST00774NY): Installation of a passenger cabin Liquor/beverage service cart P/N E500170. (757-222) (767-222) (727-222) (737 SERIES 222, 291, 322, 522) (747-100 SERIES 238B). Driessen Aircraft Interior Systems USA, Inc. Lists 737 Series
- [STC ST02052AT](https://openairdocs.org/stc/ST02052AT): Installation of a single Collins GNLU910A flight management system, along with global navigation satellite system sensor. General Aerospace, Inc. Lists 737 Series
- [STC SA02034AT](https://openairdocs.org/stc/SA02034AT): Manufacture of tray carrier, P/N 2282-506. BFE Services. Lists 737 Series
- [STC ST01968AT](https://openairdocs.org/stc/ST01968AT): Manufacture of inserts for galley stowage. JK Aerospace, Inc. Lists 737 Series
- [STC SA01916AT](https://openairdocs.org/stc/SA01916AT): Manufacture of Tray Carrier P/N 1839-501. BFE Services. Lists 737 Series
- [STC SA2534SO](https://openairdocs.org/stc/SA2534SO): Installation of window shades, acoustic panes and reveals. Magee Plastics Company. Lists 737 Series
- [STC ST179CH](https://openairdocs.org/stc/ST179CH): Installation of cargo container curtain. Plastic Composites Corp. Lists 737 Series
- [STC SA00056LA](https://openairdocs.org/stc/SA00056LA): Installation of Weber Coffeemaker, P/N 870130-415. Monogram Systems. Lists 737 Series
- [STC SA6090NM](https://openairdocs.org/stc/SA6090NM): Installation of emergency vision assurance system (EVAS). VisionSafe Corporation. Lists 737 Series
- [STC SA370NW](https://openairdocs.org/stc/SA370NW): Removal of passenger interior, installation of cargo compartment liners and cargo tie down equipment. Western Metal Products. Lists 737 Series
- [STC SA2589CE](https://openairdocs.org/stc/SA2589CE): Install Bennetts Seat Converter Stowage Compartment on passenger seat(s). John's Aircraft and Upholstery. Lists 737 Series
- [STC SA1029NW](https://openairdocs.org/stc/SA1029NW): Installation of a cargo system. Western Metal Products. Lists 737 Series
- [STC SA1258EA](https://openairdocs.org/stc/SA1258EA): Installation of Cosco model78-( ) child restraint system. (172M S/N 17263459 - 17267584). Miller Stuart R. Lists 737 Series
- [STC SA1052SO](https://openairdocs.org/stc/SA1052SO): Installation of GE battery P/N43B022RB36 in place of Marathon P/N CA-727-7, CA-727-20, or CA-27-20 batteries or SAFT P/N23180 batteries; or installation of GE battery P/N 43B020RB10 replacing Marathon P/N CA-727-7, CA-727-20 or CA-27-20 or SAFT P/N 23186 or 23180 batteries. General Electric Company. Lists 737 Series
- [STC SA1082NW](https://openairdocs.org/stc/SA1082NW) (historical): Installation of auxiliary fuel tanks in the aft cargo compartment. (737 series -2K9A). Rogerson ATS. Lists 737 Series

### Approved for the engine (CFM International CFM56 series)

- [STC SE04840NY](https://openairdocs.org/stc/SE04840NY): Installation of HarcoSemco Exhaust Gas Temperature (EGT) Electrical Harnesses in CFM56-7 engine. Kilroy Aviation LLC. Lists CFM56-7B20
- [STC SE03036CH](https://openairdocs.org/stc/SE03036CH): Application of a deep compressive stress layer using a Low Plasticity Burnishing (LPB) process on CFM56-7 Series Engines Stage 1 High Pressure Compressor (HPC) Blade Dovetails in accordance with Delta Air Lines Inc. Drawing No. 72-0396, Revision B, dated November 3, 2011, or later FAA Approved revision. Delta Air Lines Inc. Lists CFM56-7B20
- [STC SE00032EN](https://openairdocs.org/stc/SE00032EN): Installation of Pratt & Whitney (P&W) Global Material Solutions (GMS) CFM56-3 Fan/Booster Module. Pratt & Whitney. Lists CFM56-3
- [STC SE00033EN](https://openairdocs.org/stc/SE00033EN): Installation of Pratt & Whitney (P&W) Global Material Solutions (GMS) CFM56-3 High Pressure Compressor Module. Pratt & Whitney. Lists CFM56-3
- [STC SE00034EN](https://openairdocs.org/stc/SE00034EN): Installation of Pratt & Whitney (P&W) Global Material Solutions (GMS) CFM56-3 High Pressure Turbine Module. Pratt & Whitney. Lists CFM56-3
- [STC SE00035EN](https://openairdocs.org/stc/SE00035EN): Installation of Pratt & Whitney (P&W) Global Material Solutions (GMS) CFM56-3 Low Pressure Turbine Module. Pratt & Whitney. Lists CFM56-3
- [STC SE00822CH](https://openairdocs.org/stc/SE00822CH): Install AeroControlex P/N 2604880-001 variable stator feedback control cable and P/N 2604880-002 variable bleed valve feedback control cable on CFM International engines. AeroControlex Group TransDigm Inc. Lists CFM56-2

## Related

- Other Boeing 737-7H4 aircraft: https://openairdocs.org/model/boeing-737-7h4/aircraft.md
- The CFM International CFM56 series engine: https://openairdocs.org/engine/cfm-international-cfm56-series.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.