# N448WN: 2003 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: 33721 - Year built: 2003 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: December 1, 2003 - Certificate issued: February 3, 2004 - Expires: September 30, 2029 - Mode S code: A56A56 - 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=448WN - Page: https://openairdocs.org/aircraft/N448WN 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/N448WN/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 NYC04LA107](https://openairdocs.org/ntsb/NYC04LA107), Apr 14, 2004: Boeing 737-700 (N448WN), Beach Haven, NJ, no damage. Probable cause: An encounter with turbulence during cruise flight. ## FAA accident and incident reports (1) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Accident 20040414023199A](https://openairdocs.org/incident/20040414023199A), Apr 14, 2004: Boeing 7377H4 (N448WN), Beach Haven, NJ. (-23) April 14, 2004 approximately 1745 LCL time. Southwest airlines flight 1025, proceeding from baltimore-washington international airport, baltimore, MD… ## Service difficulty reports (367, 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 SWAA2026092891617](https://openairdocs.org/sdr/SWAA2026092891617), Sep 23, 2026: BATTERY PACK. NO TEST. FWD LT EMERGENCY BATTERY PACK M1675 FAILED CAPACITY CHECK. R & R CABIN EMERGENCY BATTERY PACK IAW AMM 33-51-06. - [SDR SWAA2026092151509](https://openairdocs.org/sdr/SWAA2026092151509), Sep 18, 2026: TRANSMITTER. FAULTED. WHEN SELECTING FLAPS TO 5 THEN 15, THE FLAP INDICATOR SHOWED A MINOR SPLIT OF THE FLAPS. ONE FLAP WAS IN UP POSITION OTHER BETWEEN UP AND 1. REPLACED OIL IN ALL - [SDR SWAA2026090766008](https://openairdocs.org/sdr/SWAA2026090766008), Sep 2, 2026: SIGN. BROKEN. L1 EMERGANCY EXIT LIGHT ASSY BROKEN. REMOVED AND REPLACED EMERGANCY EXIT SIGN IAW AMM 33-51-01, OPS CHECKED GOOD. - [SDR SWAA2026090366150](https://openairdocs.org/sdr/SWAA2026090366150), Aug 30, 2026: FASTENER. MISSING. 14C SEAT TRAY COMES OFF WHEN EXTENDED. INSTALLED FASTENER @T/T SEAT 14C PER SIP. - [SDR SWAA2026082516841](https://openairdocs.org/sdr/SWAA2026082516841), Aug 21, 2026: LENS. MISSING. RIGHT EMERGENCY EXIT LOWER EMERGENCY LIGHT LENS MISSING. REPLACED THE EMERGENCY LIGHT LENS IAW AMM 33-51-01. OPS CHECKED GOOD. NO DEFECTS NOTED. - [SDR SWAA2026070216990](https://openairdocs.org/sdr/SWAA2026070216990), Jun 29, 2026: BRACKET. UNSECURE. FWD SERVICE DOOR AFT GIRT BAR BRACKET HAS ONE SHEARED RIVET. C/W EA M-23-125-01839. - [SDR SWAA2026042992778](https://openairdocs.org/sdr/SWAA2026042992778), Apr 25, 2026: FAIRING. CRACKED. RT WING NR 6 FLAP TRACK AFT FAIRING CRACKED AT 6 OCLOCK POSITION AT AFT END. REMOVED AND REPLACED THE RT WING NR 6 FLAP TRACK FAIRING IAW AMM 27-51-18. - [SDR SWAA2026042992779](https://openairdocs.org/sdr/SWAA2026042992779), Apr 25, 2026: WEDGE. CRACKED. LEFT INBOARD MAIN FLAP TRAILING EDGE HAS DEBOND, CRACK AND PUNCTURE DAMAGE. REMOVED TRAILING EDGE WEDGE; LOCATED AND DRILLED NEW WEDGE PER SRM 51-40-06, INSTALL - [SDR SWAA2026041789932](https://openairdocs.org/sdr/SWAA2026041789932), Apr 16, 2026: FAIRING. CRACKED. FOUND #6 FLAP TRACK MID-CANOE FAIRING CRACKED AT 6OCLOCK POSITION AFT SIDE<[01] C/W EA 26-157-01040 - [SDR SWAA2025092616871](https://openairdocs.org/sdr/SWAA2025092616871), Sep 21, 2025: SCUFF PLATE. CORRODED. CORROSION ON CORNER PLATE (2EA) OF THRESHOLD SCUFF PLATE AT AFT CARGO COMPARTMENT. REPLACED CORNER PLATE (2EA) OF THRESHOLD SCUFF PLATE AT AFT CARGO COMPARTMENT - [SDR SWAA2025092612577](https://openairdocs.org/sdr/SWAA2025092612577), Sep 8, 2025: SCUFF PLATE. CRACKED. CRACK FWD CORNER SCUFF PLATE AT AFT CARGO COMPARTMENT. REPAIRED THE FWD CORNER SCUFF PLATE AT AFT CARGO COMPARTMENT IAW BOEING 737-700 SRM 53-60-15-2R-1 REPAIR - [SDR SWAA2025092612579](https://openairdocs.org/sdr/SWAA2025092612579), Sep 8, 2025: THRESHOLD. CRACKED. CRACK THRESHOLD AT FWD CARGO COMPARTMENT. REPLACED THRESHOLD AT FWD CARGO COMPARTMENT IAW B737-700 SRM 51-10-02-0G ITEM 9; SCUFF PLATE WILL BE INSTALLED ON TTG8 - [SDR SWAA2025092911544](https://openairdocs.org/sdr/SWAA2025092911544), Sep 5, 2025: PLATE. CRACKED. CRACK CORRUGATED PLATE TRAILING EDGE LOCATED ORSS261 AT RT WING . REPLACED CORRUGATED PLATE TRAILING EDGE LOCATED ORSS261 AT RT WING IAW B737-700 SRM 51-10-02-0 - [SDR SWAA2025092911541](https://openairdocs.org/sdr/SWAA2025092911541), Sep 5, 2025: ACCESS PANEL. DAMAGED. ELONGATED HOLES ON ACCESS PANEL 661CB TRAILING EDGE AT RT WING. REPAIRED ACCESS PANEL 661CB TRAILING EDGE AT RT WING IAW B737-700 SRM 51-70-04-2R-9 REPAIR 9. - [SDR SWAA2025092911540](https://openairdocs.org/sdr/SWAA2025092911540), Sep 5, 2025: ACCESS PANEL. ELONGATED. ELONGATED HOLES ON ACCESS PANEL 661BB TRAILING EDGE AT RT WING. REPAIRED ACCESS PANEL 661BB TRAILING EDGE AT RT WING IAW SRM 51-70-04-2R-9 REPAIR 9. - [SDR SWAA2025092911543](https://openairdocs.org/sdr/SWAA2025092911543), Sep 5, 2025: ACCESS PANEL. ELONGATED. ELONGATED HOLES ON ACCESS PANEL 661AB TRAILING EDGE AT RT WING. REPAIRED ACCESS PANEL 661AB TRAILING EDGE AT RT WING IAW SRM 51-70-04-2R-9 REPAIR 9. - [SDR SWAA2025092611539](https://openairdocs.org/sdr/SWAA2025092611539), Sep 5, 2025: SCUFF PLATE. CRACKED. CRACK FWD CORNER SCUFF PLATE AT FWD CARGO COMPARTMENT. REPAIRED THE FWD CORNER SCUFF PLATE AT FWD CARGO COMPARTMENT IAW BOEING SRM 53-30-15-2R-1 REPAIR 1 AND BA - [SDR SWAA2025092611931](https://openairdocs.org/sdr/SWAA2025092611931), Sep 5, 2025: ACCESS PANEL. ELONGATED. ELONGATED HOLES ON ACCESS PANEL 193B BODY FAIRING AT FUSELAGE EXTERIOR. REPAIRED ACCESS PANEL 193B IAW SRM 51-70-05-2R-8 REPAIR 8. - [SDR SWAA2025092911530](https://openairdocs.org/sdr/SWAA2025092911530), Sep 4, 2025: PLATE. CRACKED. CRACK CORRUGATED PLATE LOCATED ORSS290 TRAILING EDGE AT LT WING. REPLACED CORRUGATED PLATE LOCATED ORSS290 TRAILING EDGE AT LT WING IAW SRM 51-40-02 AND SRM 51- - [SDR SWAA2025092911306](https://openairdocs.org/sdr/SWAA2025092911306), Sep 4, 2025: SUPPORT ANGLE. CRACKED. CRACK ANGLE SUPPORT LOCATED ORSS269 TRAILING EDGE AT RT WING. REPLACED ANGLE SUPPORT LOCATED ORSS269 TRAILING EDGE AT RT WING IAW B737-700 SRM 51-10-02 ITEM 9 A - [SDR SWAA2025092611310](https://openairdocs.org/sdr/SWAA2025092611310), Sep 4, 2025: NUT. DETERIORATED. DETERIORATED ASSIST HANDLE NUT SERVICE DOORWAY LINING AT AFT GALLEY AREA (2EA). REPLACED ASSIST HANDLE NUT SERVICE DOORWAY LINING AT AFT GALLEY AREA (2EA) IAW A - [SDR SWAA2025092611308](https://openairdocs.org/sdr/SWAA2025092611308), Sep 4, 2025: NUT. DETERIORATED. DETERIORATED ASSIST HANDLE NUT ENTRY DOORWAY LINING AT AFT GALLEY AREA (2EA). REPLACED ASSIST HANDLE NUT ENTRY DOORWAY LINING AT AFT GALLEY AREA (2EA) IAW AMM 2 - [SDR SWAA2025092611307](https://openairdocs.org/sdr/SWAA2025092611307), Sep 4, 2025: NUT. DETERIORATED. DETERIORATED ASSISTLE HANDLE NUT ENTRY DOOR LINING AT AFT GALLEY AREA (2EA). REPLACED ASSIST HANDLE NUT ENTRY DOOR LINING AT AFT GALLEY AREA (2EA) IAW AMM 52-13 - [SDR SWAA2025092611309](https://openairdocs.org/sdr/SWAA2025092611309), Sep 4, 2025: NUT. DETERIORATED. DETERIORATED ASSIST HANDLE NUT SERVICE DOOR LINING AT AFT GALLEY AREA (2EA) . REPLACED ASSIST HANDLE NUT SERVICE DOOR LINING AT AFT GALLEY AREA (2EA) IAW B737-7 - [SDR SWAA2025092611304](https://openairdocs.org/sdr/SWAA2025092611304), Sep 4, 2025: ANGLE. CRACKED. CRACK ANGLE LOCATED ORSS282 TRAILING EDGE AT RT WING. REPLACED ANGLE LOCATED ORSS282 TRAILING EDGE AT RT WING IAW SRM 51-40-02 AND SRM 51-10-02 ITEM 9 DWG:115A6 - [SDR SWAA2025092611531](https://openairdocs.org/sdr/SWAA2025092611531), Sep 4, 2025: BEAM. ELONGATED. ELONGATED HOLE ON BEAM LOCATED ORSS281 TRAILING EDGE AT LT WING 2025-549032<[01] REAMED HOLE ON BEAM LOCATED ORSS281 TRAILING EDGE AT LT WING IAW B737-700 SRM 5 - [SDR SWAA2025092611528](https://openairdocs.org/sdr/SWAA2025092611528), Sep 4, 2025: SUPPORT ANGLE. CRACKED. CRACK SUPPORT ANGLE LOCATED ORSS269 TRAILING EDGE AT LT WING. REPLACED SUPPORT ANGLE LOCATED ORSS269 TRAILING EDGE AT LT WING IAW SRM 51-40-02 AND #DWG: 115A293 - [SDR SWAA2025092611305](https://openairdocs.org/sdr/SWAA2025092611305), Sep 4, 2025: WEB. CRACKED. CRACK WEB LOCATED ORSS269 TRAILING EDGE AT RT WING. REPLACED WEB LOCATED ORSS269 TRAILING EDGE AT RT WING IAW B737-700 SRM 51-10-02-0G ITEM 9; SRM 51-40-02-0G A - [SDR SWAA2025092611529](https://openairdocs.org/sdr/SWAA2025092611529), Sep 4, 2025: WEB. CRACKED. CRACK WEB LOCATED ORSS269 TRAILING EDGE AT LT WING. REPLACED WEB LOCATED ORSS269 TRAILING EDGE AT LT WING IAW SRM 51-40-02 AND SRM 51-10-02 ITEM 9.. - [SDR SWAA2025092611533](https://openairdocs.org/sdr/SWAA2025092611533), Sep 4, 2025: SUPPORT ANGLE. CRACKED. CRACK ON SUPPORT ANGLE ACCESS PANEL 323AL AT VERTICAL STABILIZER. REPLACED SUPPORT ANGLE ACCESS PANEL 323AL AT VERTICAL STABILIZER IAW B737-700 SRM 51-40-02 AND - [SDR SWAA2025092911097](https://openairdocs.org/sdr/SWAA2025092911097), Sep 3, 2025: FLOORBEAM. CRACKED. CRACK FLOORBEAM, BS 540, LBL 1. REPLACED IAW SRM 51-40-02, AND DWG 143A0060, SHEET 64, REV -. VERIFIED CRACK LENGTH: L=0.955. - [SDR SWAA2025092911083](https://openairdocs.org/sdr/SWAA2025092911083), Sep 3, 2025: SEAT TRACK. CORRODED. CORRODED SEAT TRACK, BS 727B - 867, RBL 24.75, WL 208.1. REMOVED DAMAGE & EVALUATED REWORK AREA IAW SRM 53-00-52-1A-1, STEP 4 A, (2)(A), FIGURE 103, DETAIL A. - [SDR SWAA2025092911075](https://openairdocs.org/sdr/SWAA2025092911075), Sep 3, 2025: ANGLE. CORRODED. CORRODED ANGLE, BS 695 + 3 INCHES, LBL 65, WL 208.1. REPLACED THE ANGLE IAW SRM 51-10-02, ITEM 9, & DWG 144A7713, SHEET 1, REV B. - [SDR SWAA2025092911072](https://openairdocs.org/sdr/SWAA2025092911072), Sep 3, 2025: ANGLE. CORRODED. CORROSION ON ANGLE, LOCATED BS 706 + 8 INCHES, LBL 65, WL 208.1. REPLACED THE ANGLE IAW SRM 51-10-02, ITEM 9, SRM 51-40-02-0G, AND DWG 144A7700, SHEET 130, REV - [SDR SWAA2025092911077](https://openairdocs.org/sdr/SWAA2025092911077), Sep 3, 2025: ANGLE. CORRODED. CORROSION ANGLE LOCATED BS685 PLUS 9 INCHES RBL65 AND WL208.1 AT CENTER BOX. REPLACED ANGLE LOCATED BS685 PLUS 9 INCHES RBL65 AND WL208.1 AT CENTER BOX IAW SRM - [SDR SWAA2025092911084](https://openairdocs.org/sdr/SWAA2025092911084), Sep 3, 2025: ANGLE. CORRODED. CORROSION ANGLE LOCATED BS685 PLUS 3 INCHES RBL65 WL208.1 AT CENTER BOX . REPLACED ANGLE LOCATED ON BS685 PLUS 3 INCHES RBL65 WL208.1 AT CENTER BOX IAW SRM 51-4 - [SDR SWAA2025092610919](https://openairdocs.org/sdr/SWAA2025092610919), Sep 3, 2025: CREASE BEAM. CORRODED. CORROSION CREASE BEAM LOCATED BS639 LBL65 AND WL208.1 AT PASSENGER CABIN. REPLACED CREASE BEAM (INNER CHORD) LOCATED BETWEEN BS 627.5 TO BS 685 LBL 65 AND WL 20 - [SDR SWAA2025092611085](https://openairdocs.org/sdr/SWAA2025092611085), Sep 3, 2025: ANGLE. CORRODED. CORROSION ANGLE LOCATED BS695 PLUS 9 INCHES RBL65 AND WL208.1 AT CENTER BOX . REPLACED ANGLE LOCATED ON BS695 PLUS 9 INCHES RBL65 AND WL208.1 AT CENTER BOX IAW - [SDR SWAA2025092611095](https://openairdocs.org/sdr/SWAA2025092611095), Sep 3, 2025: CREASE BEAM. CORRODED. CORROSION CREASE BEAM LOCATED BS639 RBL65 WL208.1 AT PASSENGER CABIN. REPLACED CREASE BEAM (INNER CHORD) LOCATED BTW BS 627.5 TO BS 663.75 + 10? RBL65 WL208.1 A - [SDR SWAA2025092611089](https://openairdocs.org/sdr/SWAA2025092611089), Sep 3, 2025: ANGLE. CORRODED. CORROSION ANGLE LOCATED BS716 PLUS 3 INCHES RBL65 AND WL208.1 AT CENTER BOX. REPLACED ANGLE LOCATED BS716 PLUS 3 INCHES RBL65 AND WL208.1 AT CENTER BOX IAW SENM - [SDR SWAA2025092611068](https://openairdocs.org/sdr/SWAA2025092611068), Sep 3, 2025: ANGLE. CORRODED. CORRODED ANGLE LOCATED BS 716 PLUS 9 INCHES, LBL 65, AND WL 208.1. REPLACED THE ANGLE IAW SRM 51-40-02, SRM 51-10-02, ITEM 9, AND DWG 144A7700, SHEET 120, REV-. - [SDR SWAA2025092611073](https://openairdocs.org/sdr/SWAA2025092611073), Sep 3, 2025: ANGLE. CORRODED. CORROSION ANGLE LOCATED BS706 PLUS 3 INCHES LBL65 AND WL208.1. REPLACED ANGLE LOCATED BS706 PLUS 3 INCHES LBL65 AND WL208.1 IAW SRM 51-10-02 ITEM 9 AND DWG 144A - [SDR SWAA2025092611069](https://openairdocs.org/sdr/SWAA2025092611069), Sep 3, 2025: ANGLE. CORRODED. CORROSION ANGLE LOCATED BS716 PLUS 3 INCHES LBL65 AND WL208.1. REPLACED ANGLE LOCATED BS716 PLUS 3 INCHES LBL65 AND WL208.1 IAW SRM 51-40-02 AND DWG 144A7730 SH - [SDR SWAA2025092611087](https://openairdocs.org/sdr/SWAA2025092611087), Sep 3, 2025: ANGLE. CORRODED. CORROSION ANGLE LOCATED BS706 PLUS 3 INCHES RBL65 AND WL208.1. REPLACED ANGLE AND FASTENERS LOCATED BS706 PLUS 3 INCHES RBL65 AND WL208.1 IAW SRM 51-40-02; SRM - [SDR SWAA2025092611088](https://openairdocs.org/sdr/SWAA2025092611088), Sep 3, 2025: ANGLE. CORRODED. CORROSION ANGLE LOCATED BS706 PLUS 9 INCHES RBL65 AND WL208.1. REPLACED ANGLE LOCATED BS706 PLUS 9 INCHES RBL65 AND WL208.1 IAW SRM 51-10-02 ITEM 9 AND DWG 144A - [SDR SWAA2025032406921](https://openairdocs.org/sdr/SWAA2025032406921), Mar 19, 2025: SEAL. CRACKED. LEFT HORIZONTAL STABILIZER FORWARD UPPER SLIDING SEAL CRACKED.<[01] REMOVED AND REPLACED LH HORIZONTAL STAB FWD UPPER SLIDING SEAL IAW AMM 53-31-31 - [SDR SWAA2025032406923](https://openairdocs.org/sdr/SWAA2025032406923), Mar 19, 2025: SEAL. DELAMINATED. RIGHT HORIZONTAL STABILIZE LOWER FORWARD SLIDING SEAL TEFLON STRIP DELAMINATING.<[01] 01 - REMOVED AND REPLACED PER [AMM 53-31-31-401 CONFIG 1-NG (STABILIZER TO - [SDR SWAA2025032406920](https://openairdocs.org/sdr/SWAA2025032406920), Mar 19, 2025: SEAL. DELAMINATED. LEFT HORIZONTAL STABILIZER FORWARD LOWER SLIDING SEAL DELAMINATING.<[01] REMOVED AND REPLACED LH HORIZONTAL STAB FWD LOWER SLIDING SEAL IAW AMM 53-31-31 - [SDR SWAA2024121878596](https://openairdocs.org/sdr/SWAA2024121878596), Dec 17, 2024: RELAY. FAILED. SPEED TRIM TEMP FAIL THEN ELECTCTRIC TRIM FAIL<[01] R/R?D R64 RELAY AND STAB TRIM MOTOR REF AMM 27-41-71 AND FIM 27-41 TASK 804 OPS CHECK NORMAL. DFCS TESTS PAS - [SDR SWAA2024121878936](https://openairdocs.org/sdr/SWAA2024121878936), Dec 17, 2024: TRIM MOTOR. FAILED. SPEED TRIM TEMP FAIL THEN ELECTCTRIC TRIM FAIL<[01] R/R?D R64 RELAY AND STAB TRIM MOTOR REF AMM 27-41-71 AND FIM 27-41 TASK 804 OPS CHECK NORMAL. DFCS TESTS PAS All 367: https://openairdocs.org/aircraft/N448WN/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.