Aircraft record

N443WN2003 Boeing 737-7H4

Registration validUnclaimedSource: FAA, updated Oct 20, 2026

Safety record in brief:No NTSB accidents or incidents since 198221 ADs may apply316 service difficulty reports

Registration: Valid; expires Nov 30, 2028
Based in: Dallas, TX; owner city / state
Engine: CFM56 SERIES · 2200 hp; Cfm Intl.
Owners: 1; since 2003
NTSB events: None; since 1982
ADs may apply: 21; confirm with A&P
Service reports: 316; since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026

Registered owner: Southwest Airlines Co
Owner type: Corporation
City, state: Dallas, TX
Certificate issued: Nov 3, 2003
Expires: Nov 30, 2028
Airworthiness: Standard · Transport
Airworthiness date: Sep 2, 2003

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: 2003
Serial number: 29838
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: A557C3

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

2003 – nowSouthwest Airlines CoDallas, TX · current

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 (316)

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.

Air conditioning and pressurization · unknown · smokeOct 1, 2026
SMALL PATCH OF VISIBLE WHITE SMOKE AND FUMES BTWN CA HEAD & IPAD. DID NOT CONTINUE AND NO OTHER INDICATIONS OF SMOKE OR FUMES THE REMAINER OF FLIGHT. DURATION WAS 1-2 SECS. PERFORMED SMOKE FUMES CONDITIONAL INSPECTION IAW FIM 21-00 TASK 806, NO DEFECTS NOTED. ACFT OK FOR SERVICE.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Engine · engine · smokeSep 27, 2026
NO LIGHT OFF NR 1 ENGINE USING RT IGNITION, AIRCRAFT BEHIND US INDICATED SMOKE COMING FROM NR 1 ENGINE. PERFORMED FIM TASK 80-06 TASK 804. NO RECENT FAULTS AND ON FAULT HISTORY ON ECC 1. PERFORMED IGN L & R AUDIBLE TEST. ENG 1 STARTED ON R IGN ON IDLE RUN. OPS CHKD GOOD
From FAA Service Difficulty Reports; matched by N-number and serial number.
Equipment and furnishings · battery · inoperativeSep 4, 2026
FWD MEGAPHONE WILL NOT WORK. IAW AMM 25-64-00 R & R THE BATTERY. OK FOR SERVICE.
From FAA Service Difficulty Reports; matched by N-number and serial number.

Show all 10 reports

Lights · lamp · inoperativeMay 21, 2026
EMERGENCY LIGHT AT SEAT ROW 15ABC INOPERATIVE. RELAMPED EMERGENCY LIGHT AT SEAT ROW 15 ABC WDM 33-51-22. PERFORMED SATISFACTORY OPS CHECK IAW AMM 33-51-00-710-801.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Fuselage · skin · crackedMay 3, 2026
FOUR CRACKS FOUND BETWEEN BS 727A - 727D APPROX. 3IN ABOVE STR14. FUSELAGE CRACK AT BS727A REF TTG8Q01BZCXU; FUSELAGE CRACKED AT BS727D REF TTG8Q01BZCYB; FUSELAGE CRACK AT BS 727B REF FOUR CRACKS FOUND BTWN BS727A-BS727-D APPROX. 3IN ABVE STR14. REPAIRED FUSELAGE SKIN BTW BSTA 727A & 727E - AT…
From FAA Service Difficulty Reports; matched by N-number and serial number.
Fuselage · skin · crackedMay 2, 2026
SUSPECTED CRACK AT BS727A AND APPROX 3IN ABOVE S14R. REQUEST TO HAVE PAINT REMOVED TO VERIFY. REMOVED PAINT FROM BS727A APPROX 3 IN ABOVE STR14R<BR>REF AMM 51-21-11. COMPLIED WITH HFEC INSPECTION PER NDT PART 6, 51-00-00 PROCEDURE 23 AND FLUORESCENT PENETRANT INSPECTION IAW AMM 70-40-01; CRACK…
From FAA Service Difficulty Reports; matched by N-number and serial number.
Fuselage · skin · crackedMay 2, 2026
SUSPECTED CRACK AT BS727B AND APPROX 3IN ABOVE STR14R. REQUEST TO HAVE PAINT REMOVED TO VERIFY. REMOVED THE PAINT AT BS727B AND APPROX 3IN ABOVE STR14R REF AMM 51-21-11. COMPLIED WITH HFEC INSPECTION PER NDT PART 6; 51-00-00 PROCEDURE 23 AND FLUORESCENT PENETRANT INSPECTION PER AMM 70-40-01.…
From FAA Service Difficulty Reports; matched by N-number and serial number.
Fuselage · skin · crackedMay 2, 2026
SUSPECTED CRACK AT BS 727D AND APPROX 3IN ABOVE S14R. REMOVED THE PAINT AT BS727D AND APPROX 3IN ABOVE STR14R REF AMM 51-21-11. COMPLIED WITH HFEC INSPECTION PER NDT PART 6; 51-00-00 PROCEDURE 23 AND FLUORESCENT PENETRANT INSPECTION IAW AMM 70-40-01; VERIFIED CRACK REF TTG8Q01BZCBY. FINISH…
From FAA Service Difficulty Reports; matched by N-number and serial number.
Fuselage · skin · crackedMay 2, 2026
SUSPECTED CRACK AT BS 727E AND APPROX 3IN ABOVE S14R. REQUEST TO HAVE PAINT REMOVED TO VERIFY. REMOVED THE PAINT AT BS727E AND APPROX. 3IN ABOVE STR14R REF AMM 51-21-11. COMPLIED WITH HFEC INSPECTION PER NDT PART 6; 51-00-00 PROCEDURE 23 AND FLUORESCENT PENETRANT INSPECTION IAW AMM 70-40-01.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Fuselage · skin · crackedMay 2, 2026
FUSELAGE HAS A .45 VERTICAL CRACK AT BS 727A; APPROX. 3 ABOVE STR 14R; VERIFIED WITH HFEC PER NDT PART 6; 51-00-00 PROCEDURE 23 AND FLUORESCENT PENETRANT INSPECTION PER SOPM 20-20-02. .26-153-01210
From FAA Service Difficulty Reports; matched by N-number and serial number.

Showing the 10 most recent of 316 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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