# N406WN: 2001 Boeing 737-7H4, registration cancelled 2025-03-13

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 13, 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: 27894
- Year built: 2001
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: June 27, 2001
- Certificate issued: June 29, 2001
- Last registry action: May 15, 2023
- Mode S code: A4C4EC
- 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/N406WN
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=406WN
- Page: https://openairdocs.org/deregistered/N406WN-2025-03-13

From the FAA registry file of November 7, 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 (307, newest 50)

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

- [SDR SWAA2024012943900](https://openairdocs.org/sdr/SWAA2024012943900), Jan 23, 2024: CONNECTOR. DAMAGED. CB POPPED; TRAILING EDGE FLAPS WOULD NOT EXTEND<[01] R&R CONNECTOR D40024P PER SWPM 20-61-11. REPAIRED WIRES W1022-2009R-20 AND W1022-2009B-20 PER SWPM 20-10-04
- [SDR SWAA2024012946071](https://openairdocs.org/sdr/SWAA2024012946071), Jan 23, 2024: WIRE. DAMAGED. CB POPPED; TRAILING EDGE FLAPS WOULD NOT EXTEND<[01] R&R CONNECTOR D40024P PER SWPM 20-61-11. REPAIRED WIRES W1022-2009R-20 AND W1022-2009B-20 PER SWPM 20-10-04
- [SDR SWAA2023091901730](https://openairdocs.org/sdr/SWAA2023091901730), Sep 17, 2023: SENSOR. FAULTY. SPLIT FLAP INDICATOR AT FLAPS 25; FLAPS WOULD NOT MOVE ALTERNATE; UPON LANDING FLAPS BOTH INDICATOR 25<[01] -FSEU BITE TEST SHOWS; FLAP 4 SKEW AND MAINT MSG # 2
- [SDR SWAA2023082191189](https://openairdocs.org/sdr/SWAA2023082191189), Aug 18, 2023: PANEL. ELONGATED. 193B FAIRING PANEL HAS SEVERAL ELONGATED HOLES<[01] REMOVED AND REPLACED WING TO BODY FAIRING PANEL 193B IAW AMM 53-51-21.
- [SDR SWAA2023061358041](https://openairdocs.org/sdr/SWAA2023061358041), Jun 10, 2023: POWER SUPPLY. INOPERATIVE. EMERGENCY LIGHTS ASSOCIATED WITH BATTERY PACK M1675 INOP WHEN SELECTED ON<[01] REMOVED AND REPLACED M1675 BATTERY POWER SUPPLY PER AMM 33-51-06. OPS CHECK GOOD.
- [SDR SWAA2023041124840](https://openairdocs.org/sdr/SWAA2023041124840), Apr 8, 2023: SIGN. BROKEN. RIGHT SIDE OVERWING EXIT SIGN (LOWER) BROKEN<[01] R-R RIGHT SIDE OVERWING EMERGENCY EXIT SIGN & OPS GOOD PER AMM 33-51-01
- [SDR SWAA2023040724243](https://openairdocs.org/sdr/SWAA2023040724243), Apr 6, 2023: LIGHT. INOPERATIVE. FWD ENTRY DOOR EXTERIOR EMERGENCY EGRESS LIGHT INOP<[01] RELAMPED PER MM 33-51-04
- [SDR SWAA2023022409520](https://openairdocs.org/sdr/SWAA2023022409520), Feb 23, 2023: COVER. LOOSE. AFT GALLEY EXIT SIGN FELL APART<[01] RE-INSTALLED EXIT SIGN COVER PER AMM 33-51-01. AIRCRAFT OK FOR SERVICE.
- [SDR SWAA2022121280494](https://openairdocs.org/sdr/SWAA2022121280494), Dec 10, 2022: SIGN. LOOSE. FA REPORT:EMER EXIT ROW SIGN IN MIDDLE OF CABIN COVER IS LOOSE. AFT FACING SIGN COVER / [01] REINSTALLED EMER EXIT SIGN PER SIP; OK TO SERVICE
- [SDR SWAA2022120578182](https://openairdocs.org/sdr/SWAA2022120578182), Dec 3, 2022: SENSOR. OUT OF LIMITS. WHEN SELECTING FLAPS 15 FOR LANDING FLAPS STAYED AT 5. PERFORMED QRH PROCEDURE LANDED FLAPS 15. FOUND THE NR 4 SKEW SENSOR OUT OF LIMITS. R & R THE NR 4 SKEW SE
- [SDR SWAA2022113075688](https://openairdocs.org/sdr/SWAA2022113075688), Nov 27, 2022: BATTERY PACK. INOPERATIVE. PASSENGER CABIN EMERGENCY BATTERY PACK AT POSITION M1670 INOPERATIVE. REMOVED AND REPLACED THE BATTERY PACK IAW AMM 33-51-06-960-805. TESTED OK.
- [SDR SWAA2022113075171](https://openairdocs.org/sdr/SWAA2022113075171), Nov 23, 2022: BATTERY PACK. INOPERATIVE. EMERGENCY LIGHTS 3DEF; 6DEF, 8DEF, 11DEF, AND RT OVERWING HATCH INOPERATIVE. REMOVED AND REPLACED BATTERY PACK M1669 IAW AMM 33-51-06-960-805. TESTED OK.
- [SDR SWAA2022113075172](https://openairdocs.org/sdr/SWAA2022113075172), Nov 23, 2022: BATTERY PACK. INOPERATIVE. EMERGENCY LIGHTS AT POSITIONS L1 DOOR EXIT SIGN, R1 FLOOR PROXIMITY AND R1 ESCAPE SLIDE INOPERATIVE. REMOVED AND REPLACED THE BATTERY PACK IAW AMM 33-51-06-960-
- [SDR SWAA2022113072046](https://openairdocs.org/sdr/SWAA2022113072046), Nov 15, 2022: CARGO TRACK. CORRODED. CARGO TRACK, BS 947, RBL 10, CORRODED. REMOVED THE CARGO TRACK IAW SRM 51-40-02-0G-0. LOCATED AND DRILLED A NEW CARGO TRACK IAW SRM 51-40-05-02-0G-0. TREATED AN
- [SDR SWAA2022113070732](https://openairdocs.org/sdr/SWAA2022113070732), Nov 12, 2022: FLOORBEAM. CRACKED. FLOORBEAM CRACKED AT BS 540, LBL 1, WL 208. REMOVED AND REPLACED THE FLOORBEAM IAW SRM 51-40-02-0G-0.
- [SDR SWAA2022113070733](https://openairdocs.org/sdr/SWAA2022113070733), Nov 12, 2022: FLOOR SUPPORT. CRACKED. CABIN FLOOR SUPPORT CRACKED AT BS 540, RBL. 1, WL 208. REMOVED THE FLOOR SUPPORT IAW SRM 51-40-02-0G-0. LOCATED & DRILLED A NEW FLOOR SUPPORT IAW SRM 51-40-05-0
- [SDR SWAA2022101156798](https://openairdocs.org/sdr/SWAA2022101156798), Oct 7, 2022: NONE. MISSING. R1 DOOR LOWER EXIT SIGN IS NOT MULTI LANGUAGE. / [01] REMOVED AND REPLACED R1 DOOR LOWER EXIT SIGN PER AMM 33-51-01;[02] INSPECTED
- [SDR SWAA2022092941876](https://openairdocs.org/sdr/SWAA2022092941876), Sep 27, 2022: SLIDE. DISLODGED. LEFT AFT EMERGENCY EXIT SLIDE PARTIALLY STICKING OUT BOTTOM OF CONTAINER. / [01] SECURED LEFT AFT EMERGENCY EXIT SLIDE IAW AMM 25-66-01.
- [SDR SWAA2022070726487](https://openairdocs.org/sdr/SWAA2022070726487), Jul 7, 2022: SENSOR. FAILED. ON DEPARTURE MOVED FLAP LEVER FROM 5 TO 1 AND RECIEVED A SPLIT FLAP CONDITION ACMS SHOWS #4 SKEW SENSOR FAILED. / [01] R&R #4 FLAP SKEW SENSOR PER AMM 27-59-01 
- [SDR SWAA2022051206309](https://openairdocs.org/sdr/SWAA2022051206309), May 10, 2022: LIGHT. LOOSE. L-1 DOOR ; EMERGENCY EXIT LIGHT LENS IS LOOSE. / [01] REPLACED L-1 DOOR; EMERGENCY EXIT LIGHT ASSEMBLY IAW AMM 33-51-01-960-802<BR>OPS CK GOOD;[02] VERIFIED STE
- [SDR SWAA2022042900286](https://openairdocs.org/sdr/SWAA2022042900286), Apr 28, 2022: BATTERY PACK. INOPERATIVE. EXTERNAL AFT ENTRY EMERGENCY LIGHT INOP. / [01] RE-LAMP NO HELP; FOUND BATTERY PACK AT FAULT; R+R AFT TOP LEFT BATTERY PACK PER AMM 33-51-06; OPS CK?D GOOD.
- [SDR SWAA2022013164132](https://openairdocs.org/sdr/SWAA2022013164132), Jan 26, 2022: PANEL. ELONGATED. 194E PANEL FWD EDGE HAS TWO HOLES ELONGATED 9 EACH TOTAL ON FWD EDGE. BOTH LH AND RH LEADING EDGE 3RD ONE BOTH SIDE COMING INDRD IF COUNTING LH TO RH 3RD HOLE A
- [SDR SWAA2021091516763](https://openairdocs.org/sdr/SWAA2021091516763), Sep 11, 2021: GIRT BAR. OUT OF POSITION. FLIGHT ATTENDANT UNABLE TO ARM AFT GALLEY SERVICE DOOR SLIDE ; / [01] INSTALLED CORRECT GIRT BAR REFERENCE B737 AMM CH 25-66-01. OPS CHECK GOOD. ENTERED FOR E14
- [SDR SWAA2021032958843](https://openairdocs.org/sdr/SWAA2021032958843), Mar 25, 2021: RETAINER. CRACKED. RIGHT WING UPPER AFT FIXED PANEL TRAILING EDGE ABOVE NACELLE STRUT FAIRING SEAL RETAINER CRACKED / REMOVED AND REPLACED NACELLE STRUT FAIRING SEAL RETAINER PER 
- [SDR SWAA2021032256653](https://openairdocs.org/sdr/SWAA2021032256653), Mar 17, 2021: LIGHT. FAULTY. FO SIDE EMERGENCY EXIT DOOR WHITE LIGHT DIM. (OVERWING DOOR). / CLOSING DMA #0371359 RELAMPED; REF AMM 33-21-00 CLOSING # 72357
- [SDR SWAA2021021548063](https://openairdocs.org/sdr/SWAA2021021548063), Feb 9, 2021: DOOR. OUT OF ADJUST. AFT CARGO COMPARTMENT DOOR HANDLE HARD TO CLOSE / PERFORMED ADJUSTMENT ON AFT CARO COMPARTMENT DOOR IAW B737-700 AMM 52-31-00-820-801 STEP 2.K(1); AND PERFORMED
- [SDR SWAA2021021548062](https://openairdocs.org/sdr/SWAA2021021548062), Feb 9, 2021: HANDLE. OUT OF ADJUST. FDW CARGO COMPARTMENT DOOR HANDLE HARD TO_CLOSE / PERFORMED ADJUSTMENT ON FWD CARGO COMPARTMENT DOOR IAW B737-700 AMM 52-31-00-820-801 STEP 2.K(1) TOOL USED: DI
- [SDR SWAA2021021546464](https://openairdocs.org/sdr/SWAA2021021546464), Jan 31, 2021: SCUFF PLATE. CRACKED. CRACK SCUFF PLATE AFT CORNER AT AFT CARGO COMPARTMENT / REPAIRED BY WELD SCUFF PLATE AFT CORNER AT AFT CARGO COMPARTMENT IN ACCORDANCE WITH BOEING 737- 700 SRM 
- [SDR SWAA2021021544458](https://openairdocs.org/sdr/SWAA2021021544458), Jan 16, 2021: STRINGER SPLICE. CRACKED. CRACK STRUCTURE ON STRINGER SPLICE LOCATED ON BST 360 STR 28RH AT EQUIPMENT ELECTRONIC COMP / REPLACED STRINGER SPLICE LOCATED ON BS360 STR28RH AT EQUIPMENT ELE
- [SDR SWAA2021021644455](https://openairdocs.org/sdr/SWAA2021021644455), Jan 15, 2021: STRINGER SPLICE. CORRODED. CORROSION STRUCTURE ON STRINGER SPLICE BST 360 STR 27RH WL 148.5 AT EQUIPMENT ELECTRONIC COMP / REPLACED STRINGER SPLICE LOC ON BS360 STR27RH WL WL 148.5 AT EQU
- [SDR SWAA2021021644456](https://openairdocs.org/sdr/SWAA2021021644456), Jan 15, 2021: STRINGER SPLICE. CORRODED. CORROSION STRUCTURE ON STRINGER SPLICE BST 360 STR 23RH WL 130 AT EQUIPMENT ELECTRONIC COMP / REPLACED STRINGER SPLICE BS 360; STR.23R WL 160.5 EQUIPMENT ELECTR
- [SDR SWAA2021021543526](https://openairdocs.org/sdr/SWAA2021021543526), Jan 13, 2021: STRINGER. CORRODED. CORROSION STRUCTURE STRINGER 23RH AT BST 360 MORE 4 INCH AT EQUIPMENT ELECTRONIC COMP WL 165.00 / EVALUATION CORROSION ON STRUCTURE STRINGER 23RH AT BS360 MORE 
- [SDR SWAA2021021644138](https://openairdocs.org/sdr/SWAA2021021644138), Jan 12, 2021: ANGLE. CRACKED. CRACK ANGLE - SUPPORT LOCATED BS 947.5 AND STR 26L AT AFT CARGO COMPARTMENT / REPLACED ANGLE SUPPORT LOCATED BS947.5 AND STR 26L AT AFT CARGO COMPARTMENT I.A.W 
- [SDR SWAA2021021643523](https://openairdocs.org/sdr/SWAA2021021643523), Jan 12, 2021: SUPPORT. CORRODED. CORROSION SUPPORT ZEE LOC BTW BS727 TO BS767 AND STR 25R WL 156.5 AFT CARGO COMPARTMENT / REPLACED SSUPORT ZEE LOCATED BTW BS 727 TO BS 767 AND STR 25-R WL 156.
- [SDR SWAA2021021544137](https://openairdocs.org/sdr/SWAA2021021544137), Jan 12, 2021: RIVET. BROKEN. BROKEN EXTERNAL SKIN HEAD RIVETS (6E/A) LOC S-23R BTW BS 360 MORE 5 INCH AT LOWER FUSELAGE / REPLACED RIVETS (6EA) LOC S-23R BTW BS 360 MORE 5' AT LOWER FUSELAG
- [SDR SWAA2021021543525](https://openairdocs.org/sdr/SWAA2021021543525), Jan 12, 2021: STRINGER. CORRODED. CORROSION STRINGER LOCATED BS 360 TO BS 380 STR 28R WL 148.5 AT EQUIPMENT ELECTRONIC COMP / PERFORMED PERMANENT REPAIR ON STRINGER LOCATED BS 360 TO BS 400 STR 
- [SDR SWAA2021021543522](https://openairdocs.org/sdr/SWAA2021021543522), Jan 12, 2021: SUPPORT. CORRODED. CORROSION SUPPORT ZEE LOC BS727 TO BS847 STR 25L WL 156.5 AFT CARGO COMPARTMENT / EVALUATED SUPPORT ZEE LOC BS 727 TO BS847 STR25L WL 156.5 AFT CARGO COMPARTMEN
- [SDR SWAA2021021543524](https://openairdocs.org/sdr/SWAA2021021543524), Jan 12, 2021: STRINGER. CORRODED. CORROSION STRINGER LOCATED BS 360 TO BS 380 STR 27R WL 148.5 AT EQUIPMENT ELECTRONIC COMP / PERFORMED PERMANENT REPAIR ON STRINGER 27R BS 360 TO BS 380 W/148.5 
- [SDR SWAA2021021545074](https://openairdocs.org/sdr/SWAA2021021545074), Jan 12, 2021: SEAT TRACK. WORN. WEAR ON TRACK RAIL-ASSY FIRST OFFICER RAIL AFT LT AND RT SIDE AT COCKPIT (2 EA) / REPLACED TRACK RAIL-ASSY FIRST OFFICER RAIL AFT LT AND RT SIDE AT COCKPIT (2EA
- [SDR SWAA2021021545075](https://openairdocs.org/sdr/SWAA2021021545075), Jan 12, 2021: SEAT TRACK. WORN. WEAR ON TRACK RAIL-ASSY CAPTAIN RAIL AFT LT SIDE AT COCKPIT (1 EA) / REPLACED TRACK RAIL-ASSY CAPTAIN RAIL AFT LT SIDE AT COCKPIT (1EA) IAW B737-700 AMM 25-11-1
- [SDR SWAA2021042345628](https://openairdocs.org/sdr/SWAA2021042345628), Jan 10, 2021: PANEL. CRACKED. CRACK AIR INLET PLENUM I/B PANEL ASSEMBLY ON APU COMPARTMENT (1 EA) / REPLACED ANGLE LOC. ON AIR INLET PLENUM I/B PANEL ASSEMBLY ON APU COMPARTMENT IAW B737-700
- [SDR SWAA2021021544125](https://openairdocs.org/sdr/SWAA2021021544125), Jan 10, 2021: SUPPORT ANGLE. CRACKED. CRACK ANGLE - SUPPORT BS 500 D AT LEVEL STRINGER 28L FWD CARGO COMPARTMENT / REPLACED SUPPORT ANGLE LOC. BS 500D AT LEVEL STRINGER 28L FWD CARGO COMPARTMENT I.A
- [SDR SWAA2021021544393](https://openairdocs.org/sdr/SWAA2021021544393), Jan 10, 2021: STRINGER. CRACKED. CRACK STRINGER 23L BS 540 FWD CARGO COMPARTMENT / PERFORMED PERMANENT REPAIR ON STRINGER 23L BS540 FWD CARGO COMPARTMENT BTW 500D TO BS 540 IAW B737- 700 SRM 53
- [SDR SWAA2021021544394](https://openairdocs.org/sdr/SWAA2021021544394), Jan 10, 2021: STRINGER. CRACKED. CRACK STRINGER 25L AT BS 540 FWD CARGO COMPARTMENT / PERFORMED PERMANENT REPAIR ON STRINGER 25L AT BS 540 FWD CARGO COMPARTMENT BTW BS 500D TO BS 540 IAW B737-7
- [SDR SWAA2021021544395](https://openairdocs.org/sdr/SWAA2021021544395), Jan 10, 2021: STRINGER. CRACKED. CRACK STRINGER 26L AT BS 540 FWD CARGO COMPARTMENT / EVALUATED ALLOWABLE DAMAGE LIMITS ON STR 26L BS 540 FWD CARGO COMPARTMENT AND FOUND OUT LIMITS DUE TO CRACK
- [SDR SWAA2021021544979](https://openairdocs.org/sdr/SWAA2021021544979), Jan 10, 2021: SIDEWALL PANEL. SCRATCHED. SCRATCH ON INNER PANE SIDEWALL PANEL 241 YAW (1EA) AND 241 YEW (2EA) AT PASSENGER CABIN (3 EA) / PERFORMED PERMANENT REPAIR ON STRINGER 25R BTW BS500L TO BS540 
- [SDR SWAA2021021543169](https://openairdocs.org/sdr/SWAA2021021543169), Jan 9, 2021: STRINGER CLIP. CRACKED. CRACK TIE CLIP LOCATED ON STA277 AND STR10R AT PASSENGER CABIN / EVALUATED ALLOWABLE DAMAGE LIMITS OF TIE CLIP LOCATED ON STA STA277 AND STR 10R AT PASSENGER CA
- [SDR SWAA2021021543362](https://openairdocs.org/sdr/SWAA2021021543362), Jan 9, 2021: FRAME. CRACKED. CRACK FRAME LOCATED ON STA312 AND STR5L AT PASSENGER CABIN / PERFORMED REPAIR ON FRAME LOCATED ON STA 312 AND STR 5L AT PASSENGER CABIN IAW SRM B737-700 53-10-0
- [SDR SWAA2021021543171](https://openairdocs.org/sdr/SWAA2021021543171), Jan 9, 2021: FRAME. CRACKED. CRACK FRAME LOCATED ON BS827 BETWEEN STR8L AND STR9L AT PASSENGER CABIN / REPAIRED FRAME LOCATED ON BS827 BETWEEN STR 8L TO STR 9L AT PASSENGER CABIN IAW EA # 1
- [SDR SWAA2021021543170](https://openairdocs.org/sdr/SWAA2021021543170), Jan 9, 2021: FRAME. CRACKED. CRACK FRAME LOCATED ON BS867 BETWEEN STR8R AND STR9R AT PASSENGER CABIN / REPAIRED FRAME LOCATED ON BS 867 AND BETWEEN STR 8R TO STR 9R AT PASSENGER CABIN IAW E

All 307: https://openairdocs.org/deregistered/N406WN-2025-03-13/reports.md

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