Aircraft record

N494WN2004 Boeing 737-7H4

Registration validUnclaimedSource: FAA, updated Oct 20, 2026

Safety record in brief:1 NTSB accident (substantial damage, Jul 2005)21 ADs may apply334 service difficulty reports

Registration: Valid; expires Jun 30, 2029
Based in: Dallas, TX; owner city / state
Engine: CFM56 SERIES · 2200 hp; Cfm Intl.
Owners: 1; since 2005
NTSB events: 1; substantial, 2005
ADs may apply: 21; confirm with A&P
Service reports: 334; since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026

Registered owner: Southwest Airlines Co
Owner type: Corporation
City, state: Dallas, TX
Certificate issued: Jan 12, 2005
Expires: Jun 30, 2029
Airworthiness: Standard · Transport
Airworthiness date: Dec 12, 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: 33868
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: A620F5

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

2005 – 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 (1)

Accident · substantial damage

Jul 8, 2005 · Chicago, IL

The pushback tow driver not maintaining visual lookout for the wing walker's visual signal, and the driver not maintaining clearance from the vehicle during the pushback for taxi. Factors to the accident were the standing vehicle behind the airplane, the inadequate group/crew coordination for the pushback, and the lack of guidance in the company's manuals to stop the tow when visual lookout is…

Damage: Substantial
Injuries: None
Report: CHI05LA179

From NTSB records; matched by serial number.Read NTSB report (search CAROL for CHI05LA179)

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 (334)

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.

Stabilizers · seal · out of adjustJul 24, 2026
LEFT UPPER STAB PANEL 333AT SLIDING SEAL NOT IN GUIDE. INSTALLED 333AT IAW SRM 51-40-02, REF IPC 55-10-52.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Stabilizers · seal · crackedJul 7, 2026
RIGHT UPPER HORIZONAL STAB SLIDING SEAL CRACKED. REMOVED AND REPLACED SLIDING PLATE IAW AMM 53-31-31-000-802.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Lights · battery pack · faultedJul 7, 2026
EMERGENCY LIGHTS RUN OFF OF BATTERY PACK M1673, DID NOT TURN ON. REMOVED AND REPLACED THE BATTERY PACK IAW AMM 33-51-06-960-805.
From FAA Service Difficulty Reports; matched by N-number and serial number.

Show all 10 reports

Fuselage · lug · corrodedJun 25, 2026
FOUND SURFACE CORROSION ON AFT FACE OF RT HORIZONTAL STAB CENTER SECTION LOWER LUG, AS PER EA 26-155-01728 THE CONFIGURATION IS ACCEPTABLE.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Fuselage · lug · corrodedJun 23, 2026
FOUND SURFACE CORROSION ON AFT FACE OF LT HORIZONTAL STAB CENTER SECTION LOWER LUG. AS PER EA 26-155-01709 THE CONFIGURATION IS ACCEPTABLE.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Fuselage · scuff plate · crackedJun 22, 2026
FWD CARGO DOOR FWD CORNER SCUFF PLATE CRACKED. ACCOMPLISHED WELD REPAIR IAW SRM 53-30-15-2R-1, REPAIR 1. RII BLOCK SELECTED TO ANSWER STEP 7 NOT RII IAW MPM 10.3.4;
From FAA Service Difficulty Reports; matched by N-number and serial number.
Fuselage · strap · crackedJun 22, 2026
CRACK INDICATION NOTED AT RH BS 639 RBL 47.0 WL 206.6 AFT LOWER FASTENER. REMOVED AND REPLACED STRAPS IAW SRM 51-40-02 AND DWG 111A6504, REV B.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Fuselage · strap · crackedJun 22, 2026
CRACK INDICATION NOTED AT LT BS 616, LBL 47, WL 206.6 AFT INBD UPPER FASTENER. REMOVED AND REPLACED THE STRAPS IAW SRM 51-40-02, AND DWG 111A6504, REV B.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Fuselage · strap · crackedJun 22, 2026
CRACK INDICATION NOTED AT BS 597, LBL 47, WL 206.6. MAIN CABIN OVERWING BOX FWD OTBD LOWER FASTENER LOCATION. R & R STRAP IAW AMM 20-50-11 AND DWG 111A6504, SHEET 3, REV-.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Fuselage · floor panel · delaminatedJun 21, 2026
FLOOR PANEL 231 VF IS DELAMANITED. FABRICATED FLOORPANEL USING BMS4-17 TY VI IAW SRM 53-00-50-2R-0. VERIFIED FABRICATED FLOORPANEL USING BMS4-17 TY VI IAW SRM 53-00-50-2R-0
From FAA Service Difficulty Reports; matched by N-number and serial number.

Showing the 10 most recent of 334 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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