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Aircraft record

N704SW1998 Boeing 737-7H4

DeregisteredUnclaimedSource: FAA, updated Oct 17, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Jan 30, 2025.

Safety record in brief:No NTSB accidents or incidents since 198221 ADs may apply195 service difficulty reports

Registration
Deregistered
Last based in
Dallas, TX
owner city / state
Engine
CFM56 SERIES · 2200 hp
Cfm Intl.
Owners
1
since 1998
NTSB events
None
since 1982
ADs may apply
21
confirm with A&P
Service reports
195
since 1995

Registration

FAA Aircraft Registry · Oct 17, 2026
Last registered owner
Southwest Airlines Co
Owner type
Corporation
City, state
Dallas, TX
Certificate issued
Mar 12, 1998
Canceled
Jan 30, 2025
Airworthiness
Standard · Transport
Airworthiness date
Feb 25, 1999

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
1998
Serial number
27838
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
A9650F

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
  1. 1998 – 2025Southwest Airlines CoDallas, TX

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 16, 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.

ADSubjectEffectiveApplies to
2019-14-02Hydraulic powerAug 27, 2019Airframe (737-7H4)
2002-20-07 R1Boeing Model 737 Series AirplanesNov 12, 2002Airframe (737-7H4)
2002-20-07Boeing Model 737 Series AirplanesNov 12, 2002Airframe (737-7H4)
2001-11-11Boeing Model 737, 747, and 777 Series AirplanesJul 16, 2001Airframe (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
2001-10-14Boeing Model 737, 747, 757, 767, and 777 Series AirplanesJun 8, 2001Airframe (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
ADSubjectEffectiveApplies to
2001-08-24Boeing Model 737 Series AirplanesMay 10, 2001Airframe (737-7H4)
2000-22-02 R1Boeing Model 737 Series AirplanesNov 13, 2000Airframe (737-7H4)
2000-22-02Boeing Model 737 Series AirplanesNov 13, 2000Airframe (737-7H4)
2000-15-16Boeing Model 737, 757, 767, and 777 Series AirplanesSep 12, 2000Airframe (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.
99-11-05Boeing Model 737 Series AirplanesJun 28, 1999Airframe (737-7H4)
99-22-16Boeing Model 737 Series AirplanesDec 7, 1999Airframe (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 R1Boeing Model 737, 747, 757, 767, and 777 Series AirplanesDec 28, 1998Airframe (737-7H4)Serial numbers per Boeing Alert Service Bulletins 737-27A1212, 747-27A2368 Revision 2, 757-27A0128, 767-27A0156, 777-27A0029 Revision 1
98-22-10Boeing Model 737 Series AirplanesNov 12, 1998Airframe (737-7H4)Serial numbers per Boeing Service Bulletin 737-53A1108, Revision 5, dated October 26, 1989
98-18-20Boeing Model 727 and Model 737 Series Airplanes Equipped with J.C. Carter Company Fuel…Oct 21, 1998Airframe (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).
98-13-12Boeing Model 737, 747, 757, 767, and 777 Series AirplanesJul 6, 1998Airframe (737-7H4)Serial numbers per Boeing Alert Service Bulletins 737-27A1212, 747-27A2368, 757-27A0128, 767-27A0156, and 777-27A0029, dated March 26, 1998
98-03-10Boeing Model 737, 747, 757, and 767 Series AirplanesFeb 19, 1998Airframe (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.
97-22-07Boeing Model 737 Series AirplanesNov 12, 1997Airframe (737-7H4)Certain serial numbers: 737 292–2565. Only with: Limited to airplanes with line numbers 292 through 2565 inclusive.
97-18-06Boeing Model 737 Series AirplanesNov 12, 1997Airframe (737-7H4)
97-05-10Boeing Model 737 Series AirplanesMar 19, 1997Airframe (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.
97-04-01Boeing Model 737 Series AirplanesMar 21, 1997Airframe (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
95-23-10Boeing Model 737 Series AirplanesDec 13, 1995Airframe (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 (195)

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.

  • Wings · support bracket · crackedSep 14, 2020

    RIGHT WING AFT UPPER TRAINING EDGE UPPER SUPPORT BRACKET IS CRACKED AT THE FORWARD LOWER FASTENER. LOCATED ABOVE THE #2 ENGINE PYLON. / REMOVED AND REPLACED PER SOPM 20-50-01.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · baffle · crackedNov 7, 2019

    BAFFLE BETWEEN BS. 400 TO BS. 420, LBL 25 CRACKED TOP FLANGE EDGE. / R&R BAFFLE PER SRM.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · angle · crackedNov 7, 2019

    BAFFLE AT BS. 400, LBL 25 CRACKED TOP FLANGE EDGE. / R&R BAFFLE CLIP PER SRM.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reports
  • Fuselage · stub frame · corrodedNov 4, 2019

    CORROSION FOUND ON STUB FRAME AT STA 320 LBL 51 WL 181. / CORROSION ON STUB FRAME AT STA 320 LBL 51 WL 181 FOUND TO BE OUT OF LIMITS DUE TO NO SRM ALLOWABLE LIMITS FOUND. REPLACED STUB FRAME AT STA 320 STR 21L-23L IAW SRM 51-40-02-0G-0 AND BOEING DWG 141A1180.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · baffle · crackedNov 3, 2019

    INTERCOSTAL BAFFLE CRACKED BETWEEN BS. BS. 500A TO BS. 500B, RBL 24. / R&R BAFFLE PER SRM.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · channel · corrodedNov 1, 2019

    FORWARD CARGO Z CHANNEL CORRODED BETWEEN BS. 491 TO BS. 500D, LBL 24. / R&R Z-CHANNEL PER SRM AND DWG.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · channel · corrodedNov 1, 2019

    FORWARD CARGO Z CHANNEL CORRODED BETWEEN BS. 500A+2 TO BS. 500D, RBL 24. / R&R Z CHANNEL PER SRM AND DWG.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · gusset · crackedOct 31, 2019

    FORWARD CARGO GUSSET CRACKED AT BS. 500D, STR. 19L. / R&R GUSSET PER SRM AND DWG.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · gusset · crackedOct 31, 2019

    FORWARD CARGO GUSSET CRACKED AT BS. 500D, STR. 19R. / R&R GUSSET PER SRM AND DWG.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · bulkhead web · crackedOct 31, 2019

    L/H SIDE VAPOR BARRIER CRACKED AT BS. 663.75. / REPAIRED BARRIER IAW SRM.

    From FAA Service Difficulty Reports; matched by N-number and serial number.

Showing the 10 most recent of 195 reports.

Related aircraft

Show all 8 related aircraft
All 232 registered Boeing 737-7H4 aircraft

Sources

  • FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 17, 2026
  • NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
  • FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 16, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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