Aircraft record

N493WN2004 Boeing 737-7H4

DeregisteredUnclaimedSource: FAA, updated Oct 20, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Oct 30, 2024.

Safety record in brief:No NTSB accidents or incidents since 198221 ADs may apply291 service difficulty reports

Registration: Deregistered
Last based in: Dallas, TX; owner city / state
Engine: CFM56 SERIES · 2200 hp; Cfm Intl.
Owners: 1; since 2024
NTSB events: None; since 1982
ADs may apply: 21; confirm with A&P
Service reports: 291; since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026

Last registered owner: Southwest Airlines Co
Owner type: Corporation
City, state: Dallas, TX
Certificate issued: Feb 7, 2024
Canceled: Oct 30, 2024
Airworthiness: Standard · Transport
Airworthiness date: Dec 1, 2004

We never show street addresses, even though they appear in the public FAA file. Individual owners are shown by city and state only.

Airframe & engine

FAA Registry + type data

Airframe

Manufacturer: Boeing
Model: 737-7H4
Year: 2004
Serial number: 32477
Aircraft type: Fixed wing multi engine
Category: Land
Certification: Type Certificated
Seats: 143
Engines: 2
Max takeoff weight: 20,000 and over lb
Type certificate data sheet: A16WE
Mode S code: A61D3E

Engine

Make and model: Cfm Intl. Cfm56 Series
Type: Turbo-fan
Power: 2200 hp

Total time and engine hours aren't public. They appear here once the owner adds logbooks.

Ownership history

Ownership history from FAA records

2024Southwest Airlines CoDallas, TX

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 20, 2026 · SDRs · Oct 16, 2026

NTSB events (0)

No NTSB accidents or incidents found for this airframe since 1982.

Accident history for this model

ADs published since 1998 that may apply (21)

These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.

AD	Subject	Effective	Applies to
2019-14-02	Hydraulic power	Aug 27, 2019	Airframe (737-7H4)
2002-20-07 R1	Boeing Model 737 Series Airplanes	Nov 12, 2002	Airframe (737-7H4)
2002-20-07	Boeing Model 737 Series Airplanes	Nov 12, 2002	Airframe (737-7H4)
2001-11-11	Boeing Model 737, 747, and 777 Series Airplanes	Jul 16, 2001	Airframe (737-7H4)Serial numbers per Boeing Service Bulletins 737-25-1371 Rev 2, 737-25-1407, 747-25-3196 Rev 1, 777-25-0111 Rev 1
2001-10-14	Boeing Model 737, 747, 757, 767, and 777 Series Airplanes	Jun 8, 2001	Airframe (737-7H4)Serial numbers per Boeing Special Attention Service Bulletins 737-35-1076, 737-35-1077, 747-35-2111, 757-35-0021, 757-35-0022, 767-35-0043, 767-35-0044, 777-35-0008, all dated March 1, 2001. Only with: Equipped with chemical oxygen generators.

Show all 21 ADs

AD	Subject	Effective	Applies to
2001-08-24	Boeing Model 737 Series Airplanes	May 10, 2001	Airframe (737-7H4)
2000-22-02 R1	Boeing Model 737 Series Airplanes	Nov 13, 2000	Airframe (737-7H4)
2000-22-02	Boeing Model 737 Series Airplanes	Nov 13, 2000	Airframe (737-7H4)
2000-15-16	Boeing Model 737, 757, 767, and 777 Series Airplanes	Sep 12, 2000	Airframe (737-7H4)Certain serial numbers: 737 1–2984; 757 1–798; 767 1–682; 777 1–083. Only with: Ranges are line numbers; equipped with Puritan-Bennett passenger and flight attendant oxygen masks as listed in Boeing Service Bulletins 737-35-1049, 757-35-0014, 767-35-0033, or 777-35-0005.
99-11-05	Boeing Model 737 Series Airplanes	Jun 28, 1999	Airframe (737-7H4)
99-22-16	Boeing Model 737 Series Airplanes	Dec 7, 1999	Airframe (737-7H4)Serial numbers per Boeing Service Bulletin 737-52-1128, dated April 22, 1999, or Boeing Service Bulletin 737-52-1137, dated May 13, 1999
98-13-12 R1	Boeing Model 737, 747, 757, 767, and 777 Series Airplanes	Dec 28, 1998	Airframe (737-7H4)Serial numbers per Boeing Alert Service Bulletins 737-27A1212, 747-27A2368 Revision 2, 757-27A0128, 767-27A0156, 777-27A0029 Revision 1
98-22-10	Boeing Model 737 Series Airplanes	Nov 12, 1998	Airframe (737-7H4)Serial numbers per Boeing Service Bulletin 737-53A1108, Revision 5, dated October 26, 1989
98-18-20	Boeing Model 727 and Model 737 Series Airplanes Equipped with J.C. Carter Company Fuel…	Oct 21, 1998	Airframe (737-7H4)Only with: Equipped with J.C. Carter Company fuel valve actuators P/N 40574-2 (Kearfott Models 3715-7 and -8) or 40574-5 (Kearfott Model 3715-9).
98-13-12	Boeing Model 737, 747, 757, 767, and 777 Series Airplanes	Jul 6, 1998	Airframe (737-7H4)Serial numbers per Boeing Alert Service Bulletins 737-27A1212, 747-27A2368, 757-27A0128, 767-27A0156, and 777-27A0029, dated March 26, 1998
98-03-10	Boeing Model 737, 747, 757, and 767 Series Airplanes	Feb 19, 1998	Airframe (737-7H4)Certain serial numbers: 737 1–2836; 747 1–1104; 757 1–731; 767 1–642. Only with: Equipped with non-powered IPECO pilots' seats; ranges are line position numbers.
97-22-07	Boeing Model 737 Series Airplanes	Nov 12, 1997	Airframe (737-7H4)Certain serial numbers: 737 292–2565. Only with: Limited to airplanes with line numbers 292 through 2565 inclusive.
97-18-06	Boeing Model 737 Series Airplanes	Nov 12, 1997	Airframe (737-7H4)
97-05-10	Boeing Model 737 Series Airplanes	Mar 19, 1997	Airframe (737-7H4)Only with: Having a main rudder power control unit (PCU) identified in Boeing Service Letter 737-SL-27-112-B, dated February 6, 1997.
97-04-01	Boeing Model 737 Series Airplanes	Mar 21, 1997	Airframe (737-7H4)Serial numbers per Boeing Service Bulletin 737-27-1155, dated October 26, 1989, as revised by Notices of Status Change 737-27-1155NSC1, NSC2, and NSC3
95-23-10	Boeing Model 737 Series Airplanes	Dec 13, 1995	Airframe (737-7H4)

AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.

Service Difficulty Reports (291)

Reports of failures and defects that operators and repair stations sent to the FAA since 1995. A report describes one finding; it is not an accident.

Lights · lamp · inoperativeMay 4, 2024
AFT SERVICE DOOR EXTERIOR EMERGENCY LIGHT INOP<[01] REMOVED AND REPLACED AFT SERVICE DOOR EXTERIOR EMERGENCY LIGHT LAMP IAW AMM 33-51-04. OPS CHECK IS GOOD AT THIS TIME.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Lights · lens · brokenApr 19, 2024
RIGHT OVERWING EXIT; EMERGENCY LIGHT EXIT INDICATOR LENS BROKE<[01] REPLACED INDICATOR LENS IN ACCORDANCE WITH AIRCRAFT MAINTENANCE MANUAL 33-51-01.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Lights · battery pack · no testMar 14, 2024
EMX BATT PACK M01675 FAILS CAPACITANCE CHECK<[01] 01 - REMOVED AND REPLACED EMX BATTERY PACK M01675 PER [AMM 33-51-06-960-805-NG (POWER SUPPLY - BATTERY PACK REPLACEMENT - PERMANENT)]
From FAA Service Difficulty Reports; matched by N-number and serial number.

Show all 10 reports

Fuselage · floor support · crackedMar 14, 2024
CARGO A/C DISTRIBUTION BAY PASSENGER FLOOR BOARD CENTER INTERCOSTAL IS CRACKED AT STA 540<[01] 01 - REMOVED AND REPLACED PER [SRM 51-40-02-0G-0-A00729 (GENERAL - FASTENER INSTALLATION AND REMOVAL - AIRFRAME - PERMANENT)]
From FAA Service Difficulty Reports; matched by N-number and serial number.
Fuselage · floor support · crackedMar 14, 2024
CARGO A/C DISTRIBUTION BAY PASSENGER FLOOR BOARD INTERCOSTAL O/B OF CENTER IS CRACKED AT STA 540.<[01] R&R CARGO A/C DISTRIBUTION BAY PASSENGER FLOOR BOARD INTERCOSTAL O/B OF CENTER PER SRM 51-40-02.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Lights · power supply · no testMar 14, 2024
DURING FUNCTIONAL CHECK OF EMX LIGHTS; R AFT CB (C1358)TRIPS<[01] TROUBLE SHOT PER WDM 33-51-11. 01 - REMOVED AND REPLACED EMX LIGHT POWER SUPPLY M01669 PER [AMM 33-51-06-960-806-NG (POWER SUPPLY - POWER SUPPLY REPLACEMENT - PERMANENT)] 01 - REMOVED AND REPLACED EMX BATT PACK M01669 PER [AMM…
From FAA Service Difficulty Reports; matched by N-number and serial number.
Lights · battery pack · no testMar 14, 2024
DURING FUNCTIONAL CHECK OF EMX LIGHTS; R AFT CB (C1358)TRIPS<[01] TROUBLE SHOT PER WDM 33-51-11. 01 - REMOVED AND REPLACED EMX LIGHT POWER SUPPLY M01669 PER [AMM 33-51-06-960-806-NG (POWER SUPPLY - POWER SUPPLY REPLACEMENT - PERMANENT)] 01 - REMOVED AND REPLACED EMX BATT PACK M01669 PER [AMM…
From FAA Service Difficulty Reports; matched by N-number and serial number.
Fuselage · floor panel · crackedFeb 17, 2024
RAMP REPORTS THEY FOUND A CRACK IN THE FORWARD CARGO HOLD FLOOR.<[01] OK TO CONTINUE PER MEL 25-6-01 SP1B. FWD CARGO BIN BLOCKED OFF.;[02] OK TO CONTINUE PER MEL 25-16-01 SP1B. FWD CARGO BIN BLOCKED OFF. RE-ENTER CORRECTIVE ACTION FOR CORRECT MEL REFERENCE.;[03] CERTIFED;[04] REMOVED AND…
From FAA Service Difficulty Reports; matched by N-number and serial number.
Lights · battery pack · inoperativeJan 27, 2024
L/H FWD INTERIOR AISLE EMERGENCY LIGHT INOP<[01] R&R FWD L/H BATTERY PACK REF AMM 33-51-06. OPS CHECK GOOD
From FAA Service Difficulty Reports; matched by N-number and serial number.
Fuel · unknown · unknownDec 13, 2023
WHILE AT CRUISE WITH FUEL IN THE CENTER TANK AND CENTER TANK PUMPS ON FUEL BEGAN TO DECREASE FROM #1 TANK. UPON RUNNNG THE QRH DETERMINED A FUEL LEAK BY TURNING OFF THE CENTER PUMPS AND WATCHING FUEL RAPIDLY DECREASE FROM #1 TANK.<[01] OP/LEAK CHECKED ALL FUEL SYSTEM TANKS; NO DEFECT NOTED REF…
From FAA Service Difficulty Reports; matched by N-number and serial number.

Showing the 10 most recent of 291 reports.

Sources

FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 20, 2026
NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 20, 2026
FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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