# N253WN: 2006 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 CFM56-7B24 series](https://openairdocs.org/engine/cfm-international-cfm56-7b24-series) (registry code 13044)
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) (The Boeing Company) (OpenAirDocs)
- Serial number: 32511
- Year built: 2006
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: September 2, 2006
- Certificate issued: September 26, 2006
- Expires: May 31, 2028
- Mode S code: A264A4
- 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=253WN
- Page: https://openairdocs.org/aircraft/N253WN

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 CFM56-7B24 model are included.

## ADs that may apply (OpenAirDocs): 19 in force

### Matched by airframe (Boeing 737-7H4)

None in force.

### Matched by engine (CFM International CFM56-7B24 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 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 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 2010-01-05](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 2009-11-02](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 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 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 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 2001-02-12](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 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

### 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 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

## Information bulletins (advisory) (1 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-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 N253WN.

## FAA accident and incident reports

None matched to N253WN.

## Service difficulty reports (307, 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 SWAA2026060307924](https://openairdocs.org/sdr/SWAA2026060307924), May 30, 2026: BATTERY PACK. INOPERATIVE. INOPERATIVE EMERGENCY LIGHT ON BIN 5 LT SIDE AT PASSENGER CABIN. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACKS BS 603 LT SIDE AND RT SIDE AT PASSENGER CABI
- [SDR SWAA2026060305683](https://openairdocs.org/sdr/SWAA2026060305683), May 22, 2026: WEB. CRACKED. CRACK ON WEB LOCATED BTW BS 500B TO BS 500C A LEVEL STR26L AT FWD CARGO COMPARTMENT. REPLACED WEB LOCATED BTW BS 500B TO BS 500C A LEVEL STR26L AT FWD CARGO COM
- [SDR SWAA2026060803970](https://openairdocs.org/sdr/SWAA2026060803970), May 18, 2026: ANGLE. CRACKED. CRACKED ANGLE ON BS 500C, S26L FWD CARGO BAY REPLACED THE ANGLE IAW SRM 51-40-02, AND DWG 143A7505, SHEET 82, REV -.
- [SDR SWAA2026060896333](https://openairdocs.org/sdr/SWAA2026060896333), May 7, 2026: STIFFENER. CRACKED. CRACKED STIFFENER, FWD BULKHEAD, BS 540, LBL 24.75 IN THE FWD CARGO BAY. REPLACED STIFFENER AND FASTENERS IAW SRM 51-10-02, ITEM 9, SRM 51-40-02, AND DWG 111A20
- [SDR SWAA2026060896527](https://openairdocs.org/sdr/SWAA2026060896527), May 7, 2026: SUPPORT ANGLE. CORRODED. CORROSION ON SUPPORT ANGLE, BS 727D, STR 27L, WL 156 IN THE AFT CARGO BAY. REPLACED THE SUPPORT ANGLE IAW SRM 51-10-02, ITEM 9, & DWG 146A7810, SHEET 3, REV A.
- [SDR SWAA2026060896336](https://openairdocs.org/sdr/SWAA2026060896336), May 7, 2026: SUPPORT ANGLE. CRACKED. CRACKED SUPPORT ANGLE, BS 500D, S28L IN THE FWD CARGO BAY. INSTALLED A NEW SUPPORT ANGLE AND FASTENERS, BS 500D, S28L IAW SRM 51-40-02-0G-0, SRM 51-10-02-0G-0, 
- [SDR SWAA2026060396526](https://openairdocs.org/sdr/SWAA2026060396526), May 7, 2026: SUPPORT. CORRODED. CORROSION SUPPORT ZEE LOCATED BTW BS 727B TO BS 787 LBL 21 WL 156.1 AT AFT CARGO COMPARTMENT. REPLACED SUPPORT ZEE LOCATED BTW BS 727 TO BS 847 LBL 21 WL 156.1 
- [SDR SWAA2026060396334](https://openairdocs.org/sdr/SWAA2026060396334), May 7, 2026: STRINGER. CORRODED. CORROSION STRINGER 27L LOCATED STA 540 WL 150.2 FWD CARGO COMPARTMENT. REPLACED REPAIR PARTS [7] STRINGER SECTION; [2] CHANNEL; [3] ANGLES (2EA) AND SHIM LOC. S
- [SDR SWAA2026060296331](https://openairdocs.org/sdr/SWAA2026060296331), May 7, 2026: STRINGER. CRACKED. CRACKED STRINGER 25R LOCATED BS 540 WL 156.1 AT FWD CARGO COMPARTMENT. REPAIRED STRINGER 25R LOC. BTW BS 500C TO BS 540 AT FWD CARGO COMPARTMENT IAW B737-700 SR
- [SDR SWAA2026060296332](https://openairdocs.org/sdr/SWAA2026060296332), May 7, 2026: STRINGER. CRACKED. CRACK STRINGER 27R LOCATED BS 540 WL 156.1 AT FWD CARGO COMPARTMENT. REPLACED REPAIR PARTS STRINGER SECTION, CHANNEL, ANGLES. STR 27R BTW BS500D TO BS 540 AT FW
- [SDR SWAA2026060296335](https://openairdocs.org/sdr/SWAA2026060296335), May 7, 2026: STRINGER. CRACKED. CRACK STRINGER 26L STA 540 FWD CARGO COMPARTMENT. REPLACED REPAIR PARTS LOC 26L STA 500D+10 - 540 FWD CARGO COMPARTMENT. REPLACEMENT STRINGER SECTION CHANNEL AN
- [SDR SWAA2026060396165](https://openairdocs.org/sdr/SWAA2026060396165), May 6, 2026: CARGO TRACK. CRACKED. CRACK ON CARGO TRACK LOCATED BS 460 RBL 14 WL 156.1 AT FWD CARGO COMPARTMENT. REPAIRED CARGO TRACK LOCATED BTW STA 400 TO STA 500 + 13 INCHES RBL 13.84 FWD CARG
- [SDR SWAA2026060396163](https://openairdocs.org/sdr/SWAA2026060396163), May 6, 2026: SUPPORT. CORRODED. CORROSION ON SUPPORT ZEE LOCATED BTW 480 TO BS 500C LBL 22 AT FWD CARGO COMPARTMENT. REPLACED EXISTING REPAIR OF SUPORT ZEE LOCATED BTW 480 TO BS 500C LBL 22 AT
- [SDR SWAA2026060396164](https://openairdocs.org/sdr/SWAA2026060396164), May 6, 2026: TIE CLIP. CRACKED. CRACK ON TIE CLIP LOCATED BS 500D AT LEVEL STR 26L AT FWD CARGO COMPARTMENT. REPLACED TIE CLIP LOCATED BS 500D AT LEVEL STR 26L AT FWD CARGO COMPARTMENT IAW B73
- [SDR SWAA2026060895299](https://openairdocs.org/sdr/SWAA2026060895299), May 4, 2026: GUSSET. CRACKED. CRACKED GUSSET, BS 500D, STR 19R IN THE FWD CARGO BAY. REPLACED THE GUSSET AND FASTENERS IAW SRM 51-40-02, AND DWG DWG 143A7902, SHEET 174, REV-.
- [SDR SWAA2026060895300](https://openairdocs.org/sdr/SWAA2026060895300), May 4, 2026: ANGLE. CRACKED. CRACKED ANGLE, BS 400, S26L, FWD CARGO BAY. REPLACED THE ANGLE AND FASTENERS IAW SRM 51-40-02, SRM 51-10-02, ITEM 9, AND DWG 143A7545, SHEET 2, REV:B.
- [SDR SWAA2026060395528](https://openairdocs.org/sdr/SWAA2026060395528), May 4, 2026: SUPPORT ANGLE. CRACKED. CRACK CARGO LINER SUPPORT ANGLE ON STA 867 AND RBL 55 AT AFT CARGO COMPARTMENT. REPAIRED CARGO LINER SUPPORT ANGLE LOC ON LINER SUPPORT ANGLE ON STA 867 AND RBL
- [SDR SWAA2026060395527](https://openairdocs.org/sdr/SWAA2026060395527), May 4, 2026: SUPPORT ANGLE. CRACKED. CRACK CARGO LINER SUPPORT ANGLE ON STA 727D LBL 54 AT AFT CARGO COMPARTMENT. PERFORMED PERMANENT REPAIR LOC LINER SUPPORT ANGLE ON STA 727D AND LBL 54 AT AFT CA
- [SDR SWAA2026060395526](https://openairdocs.org/sdr/SWAA2026060395526), May 4, 2026: SUPPORT ANGLE. CRACKED. CRACK CARGO LINER SUPPORT ANGLE ON STA 727C AND LBL 54 AT AFT CARGO COMPARTMENT. PERFORMED PERMANENT REPAIR LOC LINER SUPPORT ANGLE ON BS 727C AND LBL 54 AT AFT
- [SDR SWAA2026060395525](https://openairdocs.org/sdr/SWAA2026060395525), May 4, 2026: SUPPORT ANGLE. CRACKED. CRACK CARGO LINER SUPPORT ANGLE ON STA 727B AND LBL 54 AT AFT CARGO COMPARTMENT. PERFORMED PERMANENT REPAIR LOC LINER SUPPORT ANGLE ON STA 727B AND LBL 54 AT AF
- [SDR SWAA2026060895156](https://openairdocs.org/sdr/SWAA2026060895156), May 3, 2026: FRAME. CRACKED. CRACKED FRAME, BS 312, BTW STR 5L & STR 6L IN THE PASSENGER CABIN. REPAIRED THE FRAME IAW EA M-22-153-01244.
- [SDR SWAA2026060395155](https://openairdocs.org/sdr/SWAA2026060395155), May 3, 2026: CROSSBEAM. CRACKED. CRACK BRAKE PANEL LOCATED BS 540 BTW RBL 24.75 TO RBL 45.5 AT PASSENGER CABIN. REPLACED BRAKE PANEL LOCATED BS 540 BTW RBL 24.75 TO RBL 45.5 AT PASSENGER CABIN 
- [SDR SWAA2026060395157](https://openairdocs.org/sdr/SWAA2026060395157), May 3, 2026: STRINGER. CRACKED. CRACK STRINGER 16L BTW STA 294.5 TO STA 303 AT PASSENGER CABIN. REPAIRED STRINGER 16L BTW STA 277 TO STA 303 AT PASSENGER CABIN IAW B737-700 SRM 53-00-03-2R-1 R
- [SDR SWAA2026060395154](https://openairdocs.org/sdr/SWAA2026060395154), May 3, 2026: SUPPORT ANGLE. CRACKED. CRACK ON SUPPORT ANGLE LOCATED BS 695 RBL 24.75 WL 208.1 AT PASSENGER CABIN. REPLACED SUPPORT ANGLE LOCATED BS 695 RBL 24.75 WL 208.1 AT PASSENGER CABIN IAW SRM
- [SDR SWAA2026060894902](https://openairdocs.org/sdr/SWAA2026060894902), May 2, 2026: SUPPORT BRACKET. CORRODED. CORROSION ON SUPPORT BRACKET FOR THE WATER SERVICE DOOR. REPLACED THE SUPPORT BRACKET IAW SRM 51-10-02, ITEM 9, SRM 51-40-02, & DWG 147A7221, SHEET 23, REV -.
- [SDR SWAA2026060394989](https://openairdocs.org/sdr/SWAA2026060394989), May 2, 2026: SCUFF PLATE. CRACKED. CRACK ON SCUFF PLATE FWD SERVICE DOOR. REPAIRED THE SCUFF PLATE FWD SERVICE DOOR IAW BOEING SRM 53-10-15-2R-2; REPAIR 2 PARAGRAPH 4.B. AND BAC 5975.
- [SDR SWAA2026060394602](https://openairdocs.org/sdr/SWAA2026060394602), May 1, 2026: STUB FRAME. CRACKED. CRACK INDICATION ON STUB FRAME LOCATED BETWEEN BS 294.5 TO BS 296.5 AND BETWEEN S-8R TO S-9R AT FWD GALLEY DOOR AREA CRACK LENGTH 0.500 IN. APPROX.AT PASSENGER 
- [SDR SWAA2026060394724](https://openairdocs.org/sdr/SWAA2026060394724), May 1, 2026: LUG. CORRODED. CORROSION ON REAR LOWER LUG AFT SIDE AT LT HORIZONTAL STABILIZER. REPAIRED REAR LOWER LUG LOCATED AFT SIDE AT LT HORIZONTAL STABILIZER IAW EA# 26-155-01244-WIP1
- [SDR SWAA2026060394137](https://openairdocs.org/sdr/SWAA2026060394137), Apr 30, 2026: SCUFF PLATE. CRACKED. CRACK ON FWD CORNER SCUFF PLATE LOC ON AFT CARGO COMPARTMENT. REPAIRED FWD CORNER SCUFF PLATE LOC ON AFT CARGO COMPARTMENT IAW SRM 53-60-15-2R-1 REPAIR 1; AND B
- [SDR SWAA2026042791293](https://openairdocs.org/sdr/SWAA2026042791293), Apr 21, 2026: LIGHT. INOPERATIVE. PAX CABIN OVERHEAD BIN EMERGENCY LIGHT OUT AT 14DEF. R & R 14DEF EMERGENCY LIGHT PER AMM 33-51-01.
- [SDR SWAA2026042491297](https://openairdocs.org/sdr/SWAA2026042491297), Apr 21, 2026: STRAP. BROKEN. AFT ENTRY ESCAPE SLIDE COVER HOLD-CLOSE STRAP BROKEN. REMOVED AND REPLACED AFT ENTRY ESCAPE SLIDE COVER HOLD-CLOSE STRAP USING SRM 51-40-02.
- [SDR SWAA2025121953137](https://openairdocs.org/sdr/SWAA2025121953137), Dec 17, 2025: FLOOR PANEL. CRACKED. FWD CARGO BAY MIDDLE FLOOR PANEL 120BF, HAS A 6 INCH CRACK. R & R THE FLOOR PANEL 120BF IAW AMM 25-52-10, & EA M-22-125-02597.
- [SDR SWAA2025121953136](https://openairdocs.org/sdr/SWAA2025121953136), Dec 17, 2025: HANDLE. LOOSE. FWD ENTRY DOOR L1 UPPER ASSIST HANDLE LOOSE. SECURED FWD ENTRY DOOR L1 UPPER ASSIST HANDLE IAW AMM 20-50-11.
- [SDR SWAA2025121953134](https://openairdocs.org/sdr/SWAA2025121953134), Dec 17, 2025: HANDLE. LOOSE. FWD GALLEY SERVICE R1 DOOR ASSIST HANDLE LOOSE.<[01] RESECURED FWD GALLEY SERVICE DOOR R1 ASSIST HANDLE REF AMM 20-50-11.
- [SDR SWAA2025100621249](https://openairdocs.org/sdr/SWAA2025100621249), Oct 4, 2025: SLIDE. OUT OF POSITION. FWD GALLEY SERVICE DOOR EMERGENCY SLIDE FELL OUT OF THE DOOR. R & R SERVICE DOOR EMERGENCY SLIDE REF AMM 25-66-01 C/W MT 725-61-06.
- [SDR SWAA2025092216795](https://openairdocs.org/sdr/SWAA2025092216795), Sep 20, 2025: UNKNOWN. UNKNOWN. ON TAKEOFF JUST PRIOR TO ROTATION AIRCRAFT HAD SUDDEN MOVEMENT TO THE RIGHT. PERFORMED EXTERNAL GVI LOWER FUSELAGE IAW AMM 05-41-01. PERFORMED GVI OF NOSE AND M
- [SDR SWAA2025080597311](https://openairdocs.org/sdr/SWAA2025080597311), Aug 1, 2025: SEAL. CRACKED. LH HORIZONTAL STAB UPPER SLIDER SEAL IS CRACKED<[01] REMOVED AND REPLACED LH STABILIZER FRONT UPPER SPAR SLIDING SEAL IAW AMM 53-31-31. NO DEFECT NOTED;[02] C/W
- [SDR SWAA2025051972535](https://openairdocs.org/sdr/SWAA2025051972535), May 18, 2025: COMPUTER. FAULT MESSAGE. AT 6000FT IN THE CLIMB WITH CMD A AUTO PILOT ENGAGED THE STAB OUT OF TRIM LIGHT ILLUMINATED FOLLOWED BY AN AGGRESSIVE PITCH UP. THIS HAPPENED A SECOND TIME WHEN
- [SDR SWAA2025032809932](https://openairdocs.org/sdr/SWAA2025032809932), Mar 27, 2025: SCUFF PLATE. CRACKED. AFT. CARGO AFT. CORNER SCUFF FITTING HAS A 2.5 INCH CRACK. <[01] REMOVED AFT CORNER SCUFF FITTING FOM.; [02] REMOVED AND SENT TO VENDOR FOR WELDING AND REINSTAL
- [SDR SWAA2025032408200](https://openairdocs.org/sdr/SWAA2025032408200), Mar 21, 2025: SCUFF PLATE. CRACKED. AFT CARGO DOOR SCUFF PLATE CRACKED.<[01] AFT CARGO DOOR SCUFF PLATE CRACKED. C/W EA 25-153-00726. OK TO CONT PER TLD. PERM REPAIR W/IN 50 FLT CYC.
- [SDR SWAA2025021395238](https://openairdocs.org/sdr/SWAA2025021395238), Feb 11, 2025: SLIDE. PARTIAL DEPLOY. L1 SLIDE PARTIALLY DEPLOYED<[01] RR?D FWD ENTRY ESCAPE SLIDE IAW AMM 25-66-01
- [SDR SWAA2025010984261](https://openairdocs.org/sdr/SWAA2025010984261), Jan 8, 2025: LENS. DETACHED. CABIN EMERGENCY LIGHT LENS AT 13 D POPPED OUT. REINSTALLED EMR LIGHT LENS AT13D REF AMM 33-51-15.
- [SDR SWAA2024112160992](https://openairdocs.org/sdr/SWAA2024112160992), Nov 18, 2024: POWER SUPPLY. INOPERATIVE. DOOR 2R EXTERIOR EMERGENCY EXIT LIGHT INOP<[01] REPLACED POWER SUPPLY IAW AMM 33-51-06. OPS CHECK GOOD.
- [SDR SWAA2024102250393](https://openairdocs.org/sdr/SWAA2024102250393), Oct 18, 2024: BATTERY PACK. NO TEST. EMX LIGHT BATT PACK M01669 FAILS CAPACITANCE CHECK<[01] 01 - REMOVED AND REPLACED EMX LIGHT BATT PACK M01669 PER [AMM 33-51-06-960-805-NG (POWER SUPPLY - BATTER
- [SDR SWAA2024062891371](https://openairdocs.org/sdr/SWAA2024062891371), May 29, 2024: DOUBLER. CORRODED. CORROSION ON EXTERNAL SKIN EXISTING DOUBLER LOCATED AFT POSITION BONDING JUMPER ATTACH ON WIFI RADOME AREA BTW BS 727B TO BS 767 AND BTW STR 4L TO STR 4R AT UPP
- [SDR SWAA2024062790927](https://openairdocs.org/sdr/SWAA2024062790927), May 28, 2024: FLOORBEAM. CRACKED. CUSTOMER REQUEST AAI INSPECTION. PASSENGER CABIN FLOOR STRUCTURE SUPPORT HAS CRACK AT STA 540 BL0 TO RBL 24.75 2024-341201<[01] REPLACED FLOOR STRUCTURE SUPPORT
- [SDR SWAA2024062790928](https://openairdocs.org/sdr/SWAA2024062790928), May 28, 2024: FLOORBEAM. CRACKED. CUSTOMER REQUEST AAI INSPECTION PASSENGER CABIN FLOOR STRUCTURE SUPPORT HAS CRACK AT STA 540 BL0 TO LBL 24.75 2024-341202<[01] REPLACED BREAK PANEL AND FASTENER
- [SDR SWAA2024062890374](https://openairdocs.org/sdr/SWAA2024062890374), May 27, 2024: PLATE. CRACKED. CRACK INBOARD TRAILING EDGE CORRUGATED PLATE IRSS 217 AT RT WING 2024-341179<[01] REPLACED CORRUGATED PLATE LOCATED INBOARD TRAILING EDGE IRSS 217 AT RT WING IA
- [SDR SWAA2024062890375](https://openairdocs.org/sdr/SWAA2024062890375), May 27, 2024: PLATE. CRACKED. CRACK INBOARD TRAILING EDGE CORRUGATED PLATE IRSS 241 AT LT WING 2024-341180<[01] REPLACED INBOARD TRAILING EDGE CORRUGATED PLATE IRSS 241 AT LT WING IAW SRM B7
- [SDR SWAA2024070190233](https://openairdocs.org/sdr/SWAA2024070190233), May 26, 2024: SUPPORT BRACKET. CRACKED. CRACK SUPPORT BRACKET OF THE PNEUMATIC DUCT BS 540 AND LBL 6 AIR CONDITIONING BAY 2024-341156<[01] REPLACED SUPPORT BRACKET OF THE PNEUMATIC DUCT BS 540 AND LBL

All 307: https://openairdocs.org/aircraft/N253WN/reports.md

## STCs that may be installed (OpenAirDocs) (32)

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 CFM56-7B24 series)

- [STC SE04840NY](https://openairdocs.org/stc/SE04840NY): Installation of HarcoSemco Exhaust Gas Temperature (EGT) Electrical Harnesses in CFM56-7 engine. Kilroy Aviation LLC
- [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

## Related

- Other Boeing 737-7H4 aircraft: https://openairdocs.org/model/boeing-737-7h4/aircraft.md
- The CFM International CFM56-7B24 series engine: https://openairdocs.org/engine/cfm-international-cfm56-7b24-series.md

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