# N404WN: 2001 Boeing 737-7H4, registration cancelled 2025-05-05

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 5, 2025
- Status when cancelled: Valid registration
- Airframe: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (registry code 1384404)
- 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) (OpenAirDocs)
- Serial number: 27892
- Year built: 2001
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: June 27, 2001
- Certificate issued: July 26, 2001
- Last registry action: March 24, 2023
- Mode S code: A4BD7E
- Owner when cancelled: [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 was based
- The mark today: https://openairdocs.org/aircraft/N404WN
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=404WN
- Page: https://openairdocs.org/deregistered/N404WN-2025-05-05

From the FAA registry file of November 3, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Boeing 737-7H4: https://openairdocs.org/model/boeing-737-7h4.md

## Service difficulty reports (361, newest 50)

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR SWAA2024102852290](https://openairdocs.org/sdr/SWAA2024102852290), Oct 24, 2024: DOOR. CRACKED. LMLG MIDDLE DOOR CRACKED AT FWD LWR CUTOUT<[01] REMOVED L/H MLG CTR & INNER DOOR. I.A.W.AMM 32-13-11 OK TO CONTINUE PER CDL 32-10-3XC
- [SDR SWAA2024102249417](https://openairdocs.org/sdr/SWAA2024102249417), Oct 16, 2024: SLIDE. INCORRECT. LH DOOR ENTRY - SLIDE PACK INCORRECT IN COVER<[01] REFERENCE TASK ID: TTG8Q00WG476. REPOSITIONED LH FORWARD ENTRY DOOR SLIDE PACK. REFERENCE M/M 25-66-01.
- [SDR SWAA2024102149416](https://openairdocs.org/sdr/SWAA2024102149416), Oct 16, 2024: ENGINE. STALLED. ENG #2 COMPRESSOR STALL AT FL380 DESCENDING @ 79% N1. DURATION APPROX 5 MIN. AFTER ARRIVAL AT FL 250 ENG OPERATEDNORMALLY FOR DURATION OF FLIGHT<
- [SDR SWAA2024100344531](https://openairdocs.org/sdr/SWAA2024100344531), Oct 2, 2024: STARTER. FAULTY. ABORTED ENG. START ON #1 ENG. SMOKE WAS COMING OUT OF THE #1 COWL. FUEL WAS NEVER INTRODUCED. N2 STARTED DECAYING AFTER REACHING 19%. AT THIS POINT THE START WA
- [SDR SWAA2024080823597](https://openairdocs.org/sdr/SWAA2024080823597), Aug 7, 2024: HMU. FAILED. #2 ENGINE FAILURE (FO SIDE) AT FL 360 AND 075 MACH. MODERATE VIBRATION OF AIRCRAFT COMBINED WITH ROLLBACK OF N1. ENGINE SHUT DOWN PER QRH<[01] COMPLIED WITH FIM
- [SDR SWAA2024062103900](https://openairdocs.org/sdr/SWAA2024062103900), Jun 20, 2024: SLIDE. UNSECURE. CAUTION FLAP AT L1 EMERGENCY SLIDE HANGING DOWN<[01] RESECURED CAUTION FLAP VELCRO AT L1 DOOR SLIDE PER S.I.P.
- [SDR SWAA2024031161456](https://openairdocs.org/sdr/SWAA2024031161456), Mar 8, 2024: SIGN. INCORRECT. FORWARD ENTRY EMERGENCY EXIT SIDE INCORRECT<[01] REMOVED AND REPLACED L1 DOOR FLOOR EXIT SIGN IAW AMM CHPT. 33-51-02.
- [SDR SWAA2024020850273](https://openairdocs.org/sdr/SWAA2024020850273), Feb 8, 2024: COVER. MISSING. ENTRY EMERGENCY EXIT LIGHT COVER MISSING<[01] REINSTALLED FWD GALLEY EMERGENCY LIGHT COVER
- [SDR SWAA2023061959625](https://openairdocs.org/sdr/SWAA2023061959625), Jun 16, 2023: SEAL. CRACKED. LH HORIZONTAL FRONT SPAR UPPER SLIDING SEAL IS CRACKED.<[01] R&R L/H HORIZONTAL STAB UPPER FWD SLIDING SEAL REF AMM 53-31-31.
- [SDR SWAA2023061959626](https://openairdocs.org/sdr/SWAA2023061959626), Jun 16, 2023: SEAL. CRACKED. RH HORIZONTAL FRONT SPAR UPPER SLIDING SEAL IS CRACKED.<[01] REMOVED AND REPLACED RH HORIZONTAL FRONT SPAR UPPER SLIDING SEAL IN ACCORDANCE WITH AMM 53-31-31. O
- [SDR SWAA2023033122575](https://openairdocs.org/sdr/SWAA2023033122575), Mar 31, 2023: SLIDE. OUT OF ADJUST. FWD SERVICE DOOR ESCAPE SLIDE PACKING APPEARS TO BE COMING LOOSE.<[01] RESECURED LOOSE FLAP NEAR GIRT BAR ON FWD SERVICE DOOR REF AMM 25-66-01. SECURITY CHECKED
- [SDR SWAA2023030210993](https://openairdocs.org/sdr/SWAA2023030210993), Mar 1, 2023: BRACKET. LOOSE. ASD FWD GIRT BAR LATCH AWL IS LOOSE.<[01] FOUND ADAPTER PLATE FASTENERS TO BE LOOSE ON ASD FWD GIRT BAR BRACKET. TIGHTENED SCREWS PER AMM 25-66-02-400-801; STEP
- [SDR SWAA2023030205537](https://openairdocs.org/sdr/SWAA2023030205537), Feb 21, 2023: BATTERY PACK. INOPERATIVE. EMERGENCY EXIT LIGHTS ASSOCIATED WITH BATTERY PACK M1669 ARE INOP<[01] REMOVED AND REPLACED POWER SUPPLY BATTERY PACK M1669 IAW AMM TASK 33-51-06-960-805. PERFO
- [SDR SWAA2023030205538](https://openairdocs.org/sdr/SWAA2023030205538), Feb 21, 2023: BATTERY PACK. INOPERATIVE. EMERGENCY EXIT LIGHTS ASSOCIATED WITH BATTERY PACK M1670 ARE INOP<[01] COMPLETED STEP 1;[02] VERIFIED COMPLETE;[03] UPDATED FOR BATTERY REMOVAL AND INSTALL INFO
- [SDR SWAA2023030600174](https://openairdocs.org/sdr/SWAA2023030600174), Feb 8, 2023: FITTING. CRACKED. SLAT #5 LOWER L/E SKIN HAS CRACK INDICATION AT ACTUATOR FITTING FASTENER. (MARKED)<[01] ACCOMPLISHED HFEC SURFACE SCAN IAW 737 NDTM PART 6 CHAPTER 51-00-00 PROC
- [SDR SWAA2023030200601](https://openairdocs.org/sdr/SWAA2023030200601), Feb 8, 2023: SEAT TRACK. CRACKED. CRACK NOTED IN SEAT TRACK FASTENER HOLE LOCATION A BS727B LBL 24.75 AT THE 6:00 POSITION MARKED.<[01] REMOVED 3(EACH) FASTENERS IN SEAT TRACK AT BS 727B LBL 25 
- [SDR SWAA2023030299628](https://openairdocs.org/sdr/SWAA2023030299628), Feb 6, 2023: PANEL. CRACKED. PASSENGER CABIN FLOOR BREAK PANEL ASSY BS 540; BL 0 - LBL 25; WL 208 IS CRACKED.<[01] REMOVED AND REPLACED PASSENGER CABIN FLOOR BREAK PANEL ASSY BS 540; BL 0 -
- [SDR SWAA2023030299634](https://openairdocs.org/sdr/SWAA2023030299634), Feb 6, 2023: PLATE. CRACKED. R WING T/E WIGGLE PLATE CRACKED AT ORSS 262<[01] REMOVED AND REPLACED R WING WIGGLE PLATE AT ORSS 262 IAW BOEING DWG 115A2001 AND SRM 51-40-02;[02] VERIFIED COR
- [SDR SWAA2023030299637](https://openairdocs.org/sdr/SWAA2023030299637), Feb 6, 2023: PANEL. CRACKED. PASSENGER CABIN FLOOR BREAK PANEL ASSY BS 540; BL 0 - RBL 25; WL 208 IS CRACKED.<[01] REMOVED AND REPLACED PASSENGER CABIN FLOOR BREAK PANEL ASSY BS 540; BL 0 -
- [SDR SWAA2023030106689](https://openairdocs.org/sdr/SWAA2023030106689), Feb 6, 2023: PLATE. LOOSE. WIGGLE PLATE BELOW #11 SPOILER IS LOOSE.<[01] REMOVED AND REPLACED NEW WIGGLE PLATE BELOW #11 SPOILER IAW BOEING DWG 115A3700 AND SRM 51-40-02;[02] VERIFIED COR
- [SDR SWAA2023030698021](https://openairdocs.org/sdr/SWAA2023030698021), Feb 3, 2023: DOOR. CORRODED. LAV SERVICE DOOR HAS CORROSION ON INNER SURFACE AT BONDING JUMPER ATTACH POINT<[01] EVALUATED CORROSION ON LAV SERVICE DOOR AT BONDING JUMPER ATTACH POINT; FOUN
- [SDR SWAA2023030298023](https://openairdocs.org/sdr/SWAA2023030298023), Feb 3, 2023: STRAP. CORRODED. CORROSION ON AFT CARGO BAY FLOOR T STRAP BS 727D+5 RBL 16 TO LBL 16 WL 156<[01] EVALUATED CORROSION ON FLOOR STRAP BS 727D+5 RBL 16 TO LBL 16 WL 156; FOUND TO B
- [SDR SWAA2023030298024](https://openairdocs.org/sdr/SWAA2023030298024), Feb 3, 2023: STRAP. CORRODED. CORROSION ON AFT CARGO BAY FLOOR T STRAP BS 767+5 RBL 16 TO LBL 16 WL 156<[01] EVALUATED CORROSION ON FLOOR STRAP BS 767+5 RBL 16 TO LBL 16 WL 156; FOUND TO BE 
- [SDR SWAA2023030298601](https://openairdocs.org/sdr/SWAA2023030298601), Feb 3, 2023: SHIELD. CORRODED. CORROSION AT FWD CARGO BAY ON FWD SHIELD RBL23 BS439 WL156.<[01] EVALUATED CORROSION ON SHIELD BS 439 RBL 23 WL 156; FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS 
- [SDR SWAA2023030298602](https://openairdocs.org/sdr/SWAA2023030298602), Feb 3, 2023: SHIELD. CORRODED. CORROSION AT FWD CARGO BAY ON AFT SHIELD RBL23 BS497 - BS500A WL156.<[01] EVALUATED CORROSION ON SHIELD BS 497-500A RBL 23 WL 156; FOUND TO BE OUT OF LIMITS DUE
- [SDR SWAA2023030298607](https://openairdocs.org/sdr/SWAA2023030298607), Feb 3, 2023: SUPPORT. CORRODED. CORROSION AT FCB ON FLOOR TO SIDEWALL SUPPORT BS400 - BS500D LBL23 WL156.<[01] EVALUATED CORROSION AT ALL LOCATIONS; FOUND DEEPEST LOCATION TO BE AT BS 500A+10 
- [SDR SWAA2023030298608](https://openairdocs.org/sdr/SWAA2023030298608), Feb 3, 2023: SUPPORT. CORRODED. CORROSION AT FCB ON FLOOR TO SIDEWALL SUPPORT BS500A - BS500D RBL23 WL156.<[01] EVALUATED CORROSION AT ALL LOCATIONS; FOUND DEEPEST LOCATION TO BE AT BS 500B+10
- [SDR SWAA2023030298604](https://openairdocs.org/sdr/SWAA2023030298604), Feb 3, 2023: SUPPORT. CORRODED. CORROSION AT FCB ON AFT BULKHEAD TO FLOOR SUPPORT BS500D LBL18 TO RBL14 WL156. MARKED.<[01] REMOVED DAMAGED FCB AFT BULKHEAD TO FLOOR SUPPORT BS500D LBL18 TO RB
- [SDR SWAA2023030298600](https://openairdocs.org/sdr/SWAA2023030298600), Feb 3, 2023: STRINGER. CRACKED. CRACKED STRINGER AT AREA AFT OF FWD CARGO BAY BS535 S-26L WL153. MARKED<[01] VERIFIED APPLICABILITY OF SRM 53-00-03-2R-2 REP.2 AND REMOVED DAMAGED SECTION OF ST
- [SDR SWAA2023030298437](https://openairdocs.org/sdr/SWAA2023030298437), Feb 3, 2023: RAIL. CORRODED. CORROSION ON AFT CARGO BAY RAIL AT RBL 3 BS 767+6 WL 156<[01] CORROSION ON RAIL WAS FOUND TO BE OUT OF LIMITS DUE BEING COMMON TO AN EXISTING REPAIR.;[02] VERIF
- [SDR SWAA2023030298025](https://openairdocs.org/sdr/SWAA2023030298025), Feb 3, 2023: PANEL. DEBONDED. PANEL 521CB IS DISBONDED AT CORNER<[01] IDENTIFIED PANEL 521QB MATERIAL IAW SRM 57-41-01-0I-4; FIGURE 5; TABLE 5; ITEM [3]. <BR>CLEANED PANEL AND REMOVED FINISH
- [SDR SWAA2023030298026](https://openairdocs.org/sdr/SWAA2023030298026), Feb 3, 2023: PANEL. DEBONDED. PANEL 521WB IS DISBONDED AT CORNER<[01] IDENTIFIED 521WD PANEL IAW SRM 57-41-01-0I-4 PARA FIGURE 2; ITEM 1; TABLE 2.<BR><BR>FOUND DAMAGE TO BE OUT OF ALLOWABLE 
- [SDR SWAA2023030298027](https://openairdocs.org/sdr/SWAA2023030298027), Feb 3, 2023: PANEL. DEBONDED. PANEL 521JB IS DISBONDED AT CORNER<[01] IDENTIFIED PANEL 521JB MATERIAL IAW SRM 57-41-01-0I-4; FIGURE 4; TABLE 4; ITEM [1].<BR><BR>CLEANED PANEL AND REMOVED FIN
- [SDR SWAA2023030298007](https://openairdocs.org/sdr/SWAA2023030298007), Feb 2, 2023: RAIL. CORRODED. CORROSION ON AFT CARGO BAY RAIL AT RBL 7 BS 767+6.<[01] CORROSION ON RAIL WAS FOUND TO BE OUT OF LIMITS DUE TO BEING COMMON TO AN EXISTING REPAIR..;[02] VERIFIE
- [SDR SWAA2023030298001](https://openairdocs.org/sdr/SWAA2023030298001), Feb 2, 2023: SHIELD. CORRODED. CORROSION ON AFT CARGO BAY FWD DOOR SHIELD AT RBL 21 BS 767-787.<[01] EVALUATED CORROSION ON SHIELD BS 767-787 RBL 21 WL 156; FOUND TO BE OUT OF LIMITS DUE TO N
- [SDR SWAA2023030298002](https://openairdocs.org/sdr/SWAA2023030298002), Feb 2, 2023: SUPPORT. CORRODED. CORROSION ON AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT AT LBL 21 BS 727+10-807+10.<[01] EVALUATED CORROSION AT ALL LOCATIONS ON FLOOR TO SIDEWALL SUPPORT; FOUND D
- [SDR SWAA2023030298009](https://openairdocs.org/sdr/SWAA2023030298009), Feb 2, 2023: SUPPORT. CORRODED. CORROSION ON AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT AT RBL 21 BS 727B+6-767.<[01] EVALUATED CORROSION AT ALL LOCATIONS ON FLOOR TO SIDEWALL SUPPORT; FOUND DEEP
- [SDR SWAA2023030297147](https://openairdocs.org/sdr/SWAA2023030297147), Jan 31, 2023: SKIN. CRACKED. #7 LEADING EDGE SLAT LOWER SKIN AT ACTUATOR ATTACH POINTS HAVE CRACKED SKIN BELOW RIVET.<[01] ACCOMPLISHED HFEC SURFACE SCAN IAW 737 NDTM PART 6 CHAPTER 51-00-0
- [SDR SWAA2022112173703](https://openairdocs.org/sdr/SWAA2022112173703), Nov 20, 2022: LIGHT. INOPERATIVE. R/H OVERWING EMERGENCY LIGHT INOP / [01] RELAMPED THE R/H OVERWING EMERGENCY LIGHT PER AMM 33-51-04. OPS CHECK GOOD
- [SDR SWAA2022092941880](https://openairdocs.org/sdr/SWAA2022092941880), Sep 27, 2022: SLIDE. LOW PRESSURE. CABIN CREW REPORTS AFT ENTRY DOOR ESCAPE SLIDE PRESSURE LOW. OUT OF GREEN BAND / [01] REMOVED AND INSTALLED AFT ENTRY EMERGENCY ESCAPE SLIDE ASSY REF MT 725-61-
- [SDR SWAA2022071929803](https://openairdocs.org/sdr/SWAA2022071929803), Jul 15, 2022: TRANSMITTER. FAULTY. FLAP ASYMMETRY ON GROUND WHEN SELECTING FLAPS 10 STOPPED AT 2/3 / [01] REMOVED AND REPLACED LEFT FLAP POSITION TRANSMITTER PER AMM 27-58-01.
- [SDR SWAA2022061315940](https://openairdocs.org/sdr/SWAA2022061315940), Jun 7, 2022: FLOOR PANEL. CRACKED. TWO SIDE BY SIDE CUT FOUND ON FWD CARGO AFT FLOOR PANNEL. ONE INCH FROM EDGE AND 16 INCH LONG EACH AND ONE OF THE CRACK .25 INCH WIDE. / [01] REMOVED FWD CARGO 
- [SDR SWAA2022031181212](https://openairdocs.org/sdr/SWAA2022031181212), Mar 8, 2022: BATTERY PACK. FAILED. EMERGENCY LIGHTING BATTERY PACKS FAILED CAPACITY CHECK FORWARD GALLEY TWO EMERGENCY LIGHTING BATTERIES FAILED CAPACITY CHECK. / [01] REMOVED AND REPLACED EMERGE
- [SDR SWAA2021112447211](https://openairdocs.org/sdr/SWAA2021112447211), Nov 24, 2021: SENSOR. FAULTED. L/E FLAPS TRANSIT ILLUMINATED BELOW FLAP INDICATOR AND #5 SLAT TRANSIT ILLUMINATED ON OVERHEAD ; / [01] R&R #5SLAT O/B PROX SENSOR REF AMM 27-88-11. NO FURTHER 
- [SDR SWAA2021031554220](https://openairdocs.org/sdr/SWAA2021031554220), Mar 10, 2021: FASTENER. MISSING. FED LOWER AFT GIRT BAR SUPPORT BRACKET MISSING FASTENER (MARKED) / REPLACED RIVET IN F.E.D. AFT GIRT BAR SUPPORT BRACKET PER SRM 51-40-02 STEP 4B(1)-(5)
- [SDR SWAA2021031153990](https://openairdocs.org/sdr/SWAA2021031153990), Mar 9, 2021: LIGHT. INOPERATIVE. FORWARD ENTRY EMERGENCY SLIDE LIGHT IS INOP / RELAMPED AND PERFORMED GOOD OPS TEST OF FWD ENTRY EMER. SLIDE LIGHT PER AMM 33-51-04-960-801.
- [SDR SWAA2021031551178](https://openairdocs.org/sdr/SWAA2021031551178), Feb 23, 2021: WEB. CRACKED. THRESHOLD WEB FASTENER HOLE CRACKED AT BS295 RBL56 WL208. / REMOVED AND REPLACED THRESHOLD WEB BS291.5 TO BS332.1 RBL56 WL208 PER SRM 51-40-02; SRM 51-40-05; MM
- [SDR SWAA2021030850874](https://openairdocs.org/sdr/SWAA2021030850874), Feb 16, 2021: FLOOR PANEL. DAMAGED. FWD FLOOR PANEL 221BF O/B AFT CORNER TANG IS MISSING. / FWD FLOOR PANEL 221BF WITH O/B AFT CORNER TANG IS MISSING WAS REPAIRED IAW SRM 53-00-50-2A-6.
- [SDR SWAA2021031550873](https://openairdocs.org/sdr/SWAA2021031550873), Feb 15, 2021: ANGLE. CRACKED. INTERCOSTAL TO SEAT TRACK ATTACH ANGLE IS CRACKED AT BS 524 LBL 25 WL205 / REMOVED INTERCOSTAL TO SEAT TRACK ATTACH ANGLE AND INSTALLED NEW ANGLE ON SEAT TRACK 
- [SDR SWAA2021031550869](https://openairdocs.org/sdr/SWAA2021031550869), Feb 12, 2021: FLOOR PANEL. DAMAGED. PASSENGER CABIN FLOOR BOARD 242NF HAS DAMAGE ON THE UNDER SIDE INBOARD EDGE AFT OF THE 5TH INSERT. / DUE TO THE EXTENT OF DAMAGE; FABRICATED NEW PASSENGER CABIN

All 361: https://openairdocs.org/deregistered/N404WN-2025-05-05/reports.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.