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Aircraft record

N326SW1987 Boeing 737-3H4

DeregisteredUnclaimedSource: FAA, updated Oct 20, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Feb 13, 2018.

Safety record in brief:No NTSB accidents or incidents since 198221 ADs may apply395 service difficulty reports

Registration
Deregistered
Last based in
Dallas, TX
owner city / state
Engine
CFM56 SERIES · 2200 hp
Cfm Intl.
Owners
1
since 2004
NTSB events
None
since 1982
ADs may apply
21
confirm with A&P
Service reports
395
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Last registered owner
Southwest Airlines Co
Owner type
Corporation
City, state
Dallas, TX
Certificate issued
Oct 14, 2004
Canceled
Feb 13, 2018
Airworthiness
Standard · Transport
Airworthiness date
Jun 29, 1987

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
737-3H4
Year
1987
Serial number
23690
Aircraft type
Fixed wing multi engine
Category
Land
Certification
Type Certificated
Seats
149
Engines
2
Max takeoff weight
20,000 and over lb
Mode S code
A3863F

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. 2004 – 2018Southwest 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.

ADSubjectEffectiveApplies to
2019-14-02Hydraulic powerAug 27, 2019Airframe (737-3H4)
2002-20-07 R1Boeing Model 737 Series AirplanesNov 12, 2002Airframe (737-3H4)
2002-20-07Boeing Model 737 Series AirplanesNov 12, 2002Airframe (737-3H4)
2001-11-11Boeing Model 737, 747, and 777 Series AirplanesJul 16, 2001Airframe (737-3H4)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 (737-3H4)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 (737-3H4)
2000-22-02 R1Boeing Model 737 Series AirplanesNov 13, 2000Airframe (737-3H4)
2000-22-02Boeing Model 737 Series AirplanesNov 13, 2000Airframe (737-3H4)
2000-15-16Boeing Model 737, 757, 767, and 777 Series AirplanesSep 12, 2000Airframe (737-3H4)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 (737-3H4)
99-22-16Boeing Model 737 Series AirplanesDec 7, 1999Airframe (737-3H4)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 (737-3H4)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 (737-3H4)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 (737-3H4)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 (737-3H4)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 (737-3H4)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 (737-3H4)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 (737-3H4)
97-05-10Boeing Model 737 Series AirplanesMar 19, 1997Airframe (737-3H4)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 (737-3H4)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 (737-3H4)

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

Service Difficulty Reports (395)

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 · lens · missingSep 28, 2012

    LEFT OVERHEAD BULLNOSE LIGHT LENS MISSING AT ROW 17. INSTALLED LENS PER M/M.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · cover · missingAug 21, 2012

    OVERHEAD EMERGENCY EXIT BULLNOSE LIGHT COVER MISSING AT ROW 17. INSTALLED COVER PER MM.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Flight controls · actuator · leakingAug 14, 2012

    RIGHT WING NR 7 SPOILER ACTUATOR LEAKED OUT OF ACTUATOR BODY CASTING. REMOVED AND REPLACED NR 7 SPOILER ACTUATOR PER AMM.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reports
  • Fuselage · skin · crackedJul 13, 2012

    FUSELAGE SKIN CRACKED AT BS 315, STR 18R. REPAIRED SKIN PER ER AND EA.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · structure · corrodedJul 12, 2012

    LOWER CHORD CORRODED AT BS 227. REPAIRED CHORD PER ER AND EA.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Equipment and furnishings · fitting · looseJul 10, 2012

    R1 DOOR EMERGENCY EVAC SLIDE AFT GIRT BAR FITTING AT GALLEY FLOOR LOOSE. SECURED FITTING PER MM.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · skin · crackedDec 15, 2011

    DURING SCHEDULED OTS CHECK, FOUND FUSELAGE SKIN CRACK AT STA 500D+12, STR 8L. REPAIRED PER EA.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · skin · crackedDec 13, 2011

    DURING SCHEDULED OTS CHECK, FOUND FUSELAGE SKIN CRACK AT STA 500D+12, STR 8L. REPAIRED PER EA.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Wings · skin · delaminatedNov 23, 2011

    DURING SCHEDULED 2HC2 CHECK, FOUND RT WING NR 6 SPOILER DELAMINATED ON UPPER SURFACE. REMOVED AND REPLACED SPOILER PER MM.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Flight controls · actuator · corrodedNov 23, 2011

    DURING SCHEDULED 2HC2 CHECK, FOUND LT WING I/B GROUND SPOILER ACTUATOR SURFACE CORRODED. REMOVED AND REPLACED ACTUATOR PER MM.

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

Showing the 10 most recent of 395 reports.

Related aircraft

Show all 8 related aircraft
All 18 registered Boeing 737-3H4 aircraft

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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