# N400WN: 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: 27891
- Year built: 2001
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: March 26, 2001
- Certificate issued: May 1, 2001
- Last registry action: January 22, 2023
- Mode S code: A4AEA2
- 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/N400WN
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=400WN
- Page: https://openairdocs.org/deregistered/N400WN-2025-05-05

From the FAA registry file of October 31, 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 (294, newest 50)

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

- [SDR SWAA2024072214127](https://openairdocs.org/sdr/SWAA2024072214127), Jul 19, 2024: BATTERY PACK. INOPERATIVE. FORWARD CABIN RIGHT SIDE EMERGENCY LIGHTS INOP.<[01] REMOVED AND REPLACED FORWARD CABIN RIGHT SIDE EMERGENCY LIGHT BATTERY PACK PER AMM. 33-51-06. OPS CHECK SAT
- [SDR SWAA2024052086039](https://openairdocs.org/sdr/SWAA2024052086039), May 16, 2024: BATTERY PACK. INOPERATIVE. EMERGENCY EXIT LIGHTS NEAR LH OWE INOP.<[01] 01 - REMOVED AND REPLACED PER [AMM 33-51-06-960-805-NG (POWER SUPPLY - BATTERY PACK REPLACEMENT - PERMANENT)];[02] 
- [SDR SWAA2024031964521](https://openairdocs.org/sdr/SWAA2024031964521), Mar 17, 2024: LIGHT. INOPERATIVE. LEFT OVERWING EXIT LIGHT IN CABIN INOP. RELAMPED LEFT OVERWING EXIT LIGHT IN CABIN IAW AMM 33-21-00.
- [SDR SWAA2024022355115](https://openairdocs.org/sdr/SWAA2024022355115), Feb 23, 2024: LIGHT. INOPERATIVE. RIGHT OVERWING EMERGENCY LIGHT INOP<[01] RELAMPED RIGHT OVERWING EMERGENCY LIGHT IAW MM 33-51-04
- [SDR SWAA2024020849709](https://openairdocs.org/sdr/SWAA2024020849709), Feb 7, 2024: BATTERY PACK. INOPERATIVE. MULTIPLE EMERGENCY LIGHTS INOP<[01] R&R EMERGENCY LIGHT BATTERY PACK AND POWER SUPPLY REF AMM 33-51-06. OPS CHK GOOD.
- [SDR SWAA2023083195498](https://openairdocs.org/sdr/SWAA2023083195498), Aug 31, 2023: BATTERY PACK. INOPERATIVE. ROW 16 AND 19 R/H EMERGENCY LIGHTS INOP<[01] R/R EMERGENCY LIGHT BATTERY PACK AND POWER SUPPLY AT STA 616 R/H AND AFT GALLEY CEILING R/H SIDE IAW AMM 33-51?06
- [SDR SWAA2023071979475](https://openairdocs.org/sdr/SWAA2023071979475), Jul 17, 2023: COVER. MISSING. R1 DOOR SLIDE YELLOW COVER THAT COVERS PULL HANDLE UP IS MISSING.<[01] REPOSITIONED YELLOW SLIDE COVER IAW AMM 25-66-01.
- [SDR SWAA2023033121125](https://openairdocs.org/sdr/SWAA2023033121125), Mar 27, 2023: SKIN. CRACKED. LEFT WING LOWER SKIN HAS A POSSIBLE CRACK AT FASTENER HOLE LOCATED O/B SIDE OF PYLON FAIRING & COMMON TO RUBSTRIP AT RIB 7, STR 10. INDICATION WAS SEEN WHILE PE
- [SDR SWAA2023011992578](https://openairdocs.org/sdr/SWAA2023011992578), Jan 18, 2023: LENS. BROKEN. FWD SERVICE DOOR EMERGENCY EXIT LIGHT LENS BROKEN. REPLACED THE LIGHT ASSY IAW MM 33-51-01.
- [SDR SWAA2022111767994](https://openairdocs.org/sdr/SWAA2022111767994), Nov 4, 2022: STRINGER. ELONGATED. REJECT ELONGATED HOLE STRINGER 26L BS 520 AT FWD CARGO COMPARTMENT (1 EA) 2022-597095 / [01] TOOLS USED: TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 112031
- [SDR SWAA2022111664281](https://openairdocs.org/sdr/SWAA2022111664281), Oct 25, 2022: SCUFF PLATE. CRACKED. CRACKED SCUFF PLATE THRESHOLD IN THE FWD CARGO COMPARTMENT. REPAIRED THE SCUFF PLATE THRESHOLD IAW SRM 53-30-15-2R-1, REPAIR 1, PARAGRAPH 4.C, STEPS 2 & 4 - 7 A
- [SDR SWAA2022111663554](https://openairdocs.org/sdr/SWAA2022111663554), Oct 23, 2022: STRINGER. CRACKED. CRACKED STRINGER 23R, BS 540 IN THE FWD CARGO COMPARTMENT. REPAIRED THE STRINGER IAW SRM 53-00-02-2R-1, REPAIR 1.
- [SDR SWAA2022111663557](https://openairdocs.org/sdr/SWAA2022111663557), Oct 23, 2022: WEB. CRACKED. CRACKED WEB, BS 500D-520, S28R IN THE FWD CARGO COMPARTMENT. REPLACED THE WEB IAW SRM 51-10-02, AND DWG 143A7902, SHEET 26, REV A.
- [SDR SWAA2022111663559](https://openairdocs.org/sdr/SWAA2022111663559), Oct 23, 2022: STRINGER. CRACKED. CRACKED STRINGER 22L, BS 540 IN THE FWD CARGO COMPARTMENT. REPAIRED THE STRINGER IAW SRM 53-00-03-2R-1, REPAIR 1.
- [SDR SWAA2022111663561](https://openairdocs.org/sdr/SWAA2022111663561), Oct 23, 2022: STRINGER. CRACKED. CRACKED STRINGER 26L, BS 540 IN THE FWD CARGO COMPARTMENT. REPAIRED THE STRINGER IAW SRM 53-00-03-2R-1, REPAIR 1.
- [SDR SWAA2022111663556](https://openairdocs.org/sdr/SWAA2022111663556), Oct 23, 2022: WEB. CRACKED. CRACKED WEB, BS 500D-520, S25R IN THE FWD CARGO COMPARTMENT. REPLACED THE WEB IAW SRM 51-40-02, SRM 51-10-02, AND DWG 143A9801, SHEET 12, REV -.
- [SDR SWAA2022111663553](https://openairdocs.org/sdr/SWAA2022111663553), Oct 23, 2022: STRINGER. CRACKED. CRACKED STRINGER 26R, BS 540 IN THE FWD CARGO COMPARTMENT. REPAIRED THE STRINGER IAW SRM 53-00-03-2R-1, REPAIR 1.
- [SDR SWAA2022111663555](https://openairdocs.org/sdr/SWAA2022111663555), Oct 23, 2022: STRINGER. CRACKED. CRACKED STRINGER 27R, BS 540, IN THE FWD CARGO COMPARTMENT. REPAIRED THE STRINGER IAW SRM 53-00-03-2R-1, REPAIR 1.
- [SDR SWAA2022111663558](https://openairdocs.org/sdr/SWAA2022111663558), Oct 23, 2022: SUPPORT ANGLE. CRACKED. CRACKED SUPPORT ANGLE, BS 500D STRINGER 28L IN THE FWD CARGO COMPARTMENT. REPLACED THE SUPPORT ANGLE IAW SRM 51-40-02, SRM 51-10-02, AND DWG 143A7902, SHEET 126
- [SDR SWAA2022111663560](https://openairdocs.org/sdr/SWAA2022111663560), Oct 23, 2022: STRINGER. CRACKED. CRACK STRINGER 27L LOCATED BS 540 IN THE FWD CARGO COMPARTMENT. REPAIRED THE STRINGER IAW SRM 53-00-03-2R-1, REPAIR 1
- [SDR SWAA2022111663304](https://openairdocs.org/sdr/SWAA2022111663304), Oct 22, 2022: SCUFF PLATE. CRACKED. CRACKED FWD CORNER OF SCUFF PLATE IN THE FWD CARGO COMPARTMENT. REPAIRED THE SCUFF PLATE IAW SRM 53-30-15-2R-1, REPAIR 1, AND BAC 5975.
- [SDR SWAA2022111663307](https://openairdocs.org/sdr/SWAA2022111663307), Oct 22, 2022: SCUFF PLATE. CRACKED. CRACKED FWD CORNER OF SCUFF PLATE IN THE AFT CARGO COMPARTMENT. REPAIRED THE SCUFF PLATE IAW SRM 53-60-15-2R-1, REPAIR 1, PARAGRAPH 4.B, STEPS 2 - 7, AND BAC 59
- [SDR SWAA2022111663301](https://openairdocs.org/sdr/SWAA2022111663301), Oct 22, 2022: SUPPORT ANGLE. CRACKED. CRACK ON SUPPORT ANGLE LOCATED TRAILING EDGE AT LEVEL ORSS 297 RT WING. REPLACED THE SUPPORT ANGLE IAW SRM 51-10-02, ITEM 9, 51-40-02, AND DWG 115A3712, SHEET 6
- [SDR SWAA2022111663303](https://openairdocs.org/sdr/SWAA2022111663303), Oct 22, 2022: SUPPORT ANGLE. CRACKED. CRACK SUPPORT ANGLE AT LEVEL ORSS 297 TRAILING EDGE AT LT WING. REPLACED SUPPORT ANGLE AT LEVEL ORSS 297 TRAILING EDGE AT LT WING IAW SRM B737-700 51-40-02, AND
- [SDR SWAA2022111662944](https://openairdocs.org/sdr/SWAA2022111662944), Oct 21, 2022: LENS. BROKEN. BROKEN GALLEY 1 EMERGENCY EXIT LENS ASSY AT FWD GALLEY AREA. REPLACED THE GALLEY EMERGENCY EXIT LENS IAW AMM 33-51-01-960-802. OPS TESTED OK
- [SDR SWAA2022111662935](https://openairdocs.org/sdr/SWAA2022111662935), Oct 21, 2022: LIGHT. BROKEN. BROKEN PHOTOLUMINESCENT FLOOR PROXIMITY LIGHTING AT PASSENGER CABIN (4 EA) 2022-596937 / [01] REPLACED PHOTOLUMINESCENT FLOOR PROXIMITY LIGHTING AT PASSENGER CA
- [SDR SWAA2022111663143](https://openairdocs.org/sdr/SWAA2022111663143), Oct 21, 2022: STRINGER. CRACKED. CRACKED STRINGER 23L, BS 540 IN THE FWD CARGO COMPARTMENT. REPAIRED THE STRINGER IAW SRM 53-00-03-2R-1, REPAIR 1.
- [SDR SWAA2022111662936](https://openairdocs.org/sdr/SWAA2022111662936), Oct 21, 2022: FRAME. CRACKED. CRACKED FRAME, BS 727D, STRINGERS 8L - 9L. REPAIRED THE FRAME IAW EA 1-A53-12114.
- [SDR SWAA2022111662937](https://openairdocs.org/sdr/SWAA2022111662937), Oct 21, 2022: FRAME. CRACKED. CRACK FRAME, BS 747, STRINGERS 8L - 9L. REPAIRED THE FRAME IAW EA 1-A53-12114.
- [SDR SWAA2022111663124](https://openairdocs.org/sdr/SWAA2022111663124), Oct 21, 2022: PLATE. CRACKED. CRACK CORRUGATED PLATE TRAILING EDGE LOCATED AT LEVEL ORSS 261 AT LT WING. REPLACED THE CORRUGATED PLATE IAW SRM 51-40-02.
- [SDR SWAA2022111663142](https://openairdocs.org/sdr/SWAA2022111663142), Oct 21, 2022: PLATE. CRACKED. CRACK CORRUGATED PLATE TRAILING EDGE LOCATED IRSS 219, LT WING. REPLACED THE CORRUGATED PLATE IAW SRM 51-40-02.
- [SDR SWAA2022111662484](https://openairdocs.org/sdr/SWAA2022111662484), Oct 20, 2022: SKIN. CRACKED. CRACK INDICATION FOUND ON RT HORIZONTAL STABILIZER LOWER SKIN PANEL AT STAB STA 193.9 RIB AND 8.750 INCH. FROM FRONT SPAR. INBOARD SIDE OF RIB. CRACK LENGTH = 0
- [SDR SWAA2022111661921](https://openairdocs.org/sdr/SWAA2022111661921), Oct 19, 2022: SUPPORT ANGLE. CRACKED. CRACK SUPPORT ANGLE BS 695 LBL 0.07. REPLACED THE SUPPORT ANGLE IAW SRM 51-40-02, AND DWG 273A9110, SHEET 3, REV.
- [SDR SWAA2022111661920](https://openairdocs.org/sdr/SWAA2022111661920), Oct 19, 2022: SUPPORT ANGLE. CRACKED. CRACK SUPPORT ANGLE BS 695 LBL 24.82. REPLACED SUPPORT ANGLE AND FASTENERS IAW SRM 51-40-02, SRM 51-10-02, ITEM 9, AND DWG 273A9110, SHEET 3, REV -.
- [SDR SWAA2022111661919](https://openairdocs.org/sdr/SWAA2022111661919), Oct 19, 2022: SUPPORT ANGLE. CRACKED. CRACK SUPPORT ANGLE BS 695 RBL 24.82. REPLACED THE SUPPORT ANGLE AND FASTENERS IAW SRM 51-40-02, SRM 51-10-02, ITEM 9, AND DWG 273A9110, SHEET 3, REV -.
- [SDR SWAA2022093049378](https://openairdocs.org/sdr/SWAA2022093049378), Sep 30, 2022: NONE. CRACKED. LEFT HORIZONTAL STABILIZER FORWARD LOWER SLIDER SEAL CRACKED. / [01] REMOVED AND REPLACED SLIDER SEAL PER SRM 51-40-02.;[02] REMOVED AND REPLACED SLIDER SEAL PE
- [SDR SWAA2022050903676](https://openairdocs.org/sdr/SWAA2022050903676), May 5, 2022: SWITCH. INOPERATIVE. COCKPIT EMERGENCY LIGHT SWITCH INOP. / [01] R&R COCKPIT EMERGENCY LIGHT SWITCH PER SWPM 20-83-11. OPS CHECK GOOD PER AMM 33-51-00.
- [SDR SWAA2022021470816](https://openairdocs.org/sdr/SWAA2022021470816), Feb 10, 2022: RETAINER. CRACKED. LEFT WING FIXED TRAILING EDGE PANEL AT DEFLECTION RIB; COVE SEAL RETAINER CRACKED. ; / [01] REMOVED AND REPLACED COVE SEAL RETAINER BRACKET AT LEFT WING DEFLECT
- [SDR SWAA2022021170811](https://openairdocs.org/sdr/SWAA2022021170811), Feb 10, 2022: LIGHT. INOPERATIVE. BULLNOSE EMERGENCY LIGHT INOP 23DEF ; / [01] RELAMPED PER AMM 33-51-03
- [SDR SWAA2021090213155](https://openairdocs.org/sdr/SWAA2021090213155), Aug 30, 2021: CHARGER. INOPERATIVE. LH EXTERIOR OVER WING EXIT EMERGENCY LIGHT INOP. ; / [01] R/R PACK CHARGER ASSY PER MM 33-51-06
- [SDR SWAA2021080298633](https://openairdocs.org/sdr/SWAA2021080298633), Jul 28, 2021: LENS. DETACHED. REF: FORWARD ENTRY DOOR OVERHEAD EMERGENCY LIGHT LENS CAME OFF (TTG8Q005X0LG) ; / [01] REMOVED AND REPLACED FORWARD ENTRY DOOR EXIT SIGN AND LENS ASSEMBLY PER A
- [SDR SWAA2021072797429](https://openairdocs.org/sdr/SWAA2021072797429), Jul 23, 2021: LENS. DETACHED. FORWARD ENTRY DOOR OVERHEAD EMERGENCY LIGHT LENS CAME OFF. ; / [01] C/W EA M-21-133-00720.
- [SDR SWAA2021070187255](https://openairdocs.org/sdr/SWAA2021070187255), Jun 22, 2021: SCUFF PLATE. CRACKED. AFT CARGO DOOR AFT SCUFF PLATE CRACKED ; / [01] REMOVED AFT CARGO COMP. AFT CORNER SCUFF PLATE FOR WELDING REPAIR PER B737-700 AMM 53-11-02-020-801; [02] OK; [0
- [SDR SWAA2021063084703](https://openairdocs.org/sdr/SWAA2021063084703), Jun 16, 2021: BAFFLE. CRACKED. FWD CARGO COMP. BAFFLE BETWEEN STA 500A TRHU 500B STR.25L IS CRACKED ; / [01] REMOVED BAFFLE AS REF. B737-700 SRM 51-40-02-0G-0; [02] CUTED BAFFLE THROUGH ITS W
- [SDR SWAA2021062484707](https://openairdocs.org/sdr/SWAA2021062484707), Jun 16, 2021: COVER. OUT OF POSITION. AFT SERVICE DOOR SLIDE GIRT MANUAL INFLATION COVER INCORRECTLY POSITIONED / [01] REPOSITIONED AFT SERVICE DOOR GIRT MANUAL INFLATION COVER; REF:AMM 25-66-01-400
- [SDR SWAA2021063082273](https://openairdocs.org/sdr/SWAA2021063082273), Jun 10, 2021: ANGLE. CRACKED. FOUND 1 CLIP CRACKED AT FWD CARGO COMP. BETWEEN STA 500A FWD THRU STA 500B ; / [01] REMOVED AND REPLACED CLIP P/N 143A7502-158 PER B737-700 SRM 51-40-02-0G-0 AN
- [SDR SWAA2021063082272](https://openairdocs.org/sdr/SWAA2021063082272), Jun 10, 2021: BAFFLE. CRACKED. FOUND 1 EACH BAFFLE CRACKED AT FWD CARGO COMP. BETWEEN STA 500B THRU 500C STR 25R ; / [01] REMOVED BAFFLE AY; [02] CORRECTING STEP 1; REMOVED CRACKED BAFFLE FRO
- [SDR SWAA2021063082271](https://openairdocs.org/sdr/SWAA2021063082271), Jun 10, 2021: BAFFLE. CRACKED. FOUND 1 EACH BAFFLE CRACKED AT FWD CARGO COMP. BETWEEN STA 500A THRU 500B STR 25R ; / [01] FABRICATED ANGLE DOUBLER REPAIR; [02] VERIFIED CRACK DIMENSIONS AND L
- [SDR SWAA2021063080625](https://openairdocs.org/sdr/SWAA2021063080625), Jun 6, 2021: ANGLE. CRACKED. FOUND CLIP CRACKED AT FWD CARGO COMP. STA 500 STR 26L AFT SECTION BILGE AREA ; / [01] REMOVED CLIP AND BAFFLE AT FWD CARGO COMP STA 500 STR 26L B737-700 SRM 51 
- [SDR SWAA2021061080623](https://openairdocs.org/sdr/SWAA2021061080623), Jun 6, 2021: DOOR FRAME. CRACKED. R- 1DOOR FUSELAGE CUTOUT CRACKED @ FORWARD JAMB EDGE UPPER LATCH FITTING. STARTED INSTALLATION OF NEW FRAME SECTION PER B737-700 SRM 51-40-02-0G-0 AND DRAWING #

All 294: https://openairdocs.org/deregistered/N400WN-2025-05-05/reports.md

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