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Aircraft record

N137181999 Boeing 737-724

Registration validUnclaimedSource: FAA, updated Oct 19, 2026

Safety record in brief:No NTSB accidents or incidents since 198221 ADs may apply80 service difficulty reports

Registration
Valid
expires May 31, 2029
Based in
Chicago, IL
owner city / state
Engine
CFM56 SERIES · 2200 hp
Cfm Intl.
Owners
1
since 1999
NTSB events
None
since 1982
ADs may apply
21
confirm with A&P
Service reports
80
since 1995

Registration

FAA Aircraft Registry · Oct 19, 2026
Registered owner
United Airlines INC
Owner type
Corporation
City, state
Chicago, IL
Certificate issued
Jan 26, 1999
Expires
May 31, 2029
Airworthiness
Standard · Transport
Airworthiness date
Jan 22, 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
737-724
Year
1999
Serial number
28937
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
A097CE

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. 1999 – nowUnited Airlines INCChicago, IL · current
  2. until 1974Century Avation Sales INCFleetville, PA · different airframe: 1974 Cessna 172m S/N 17262965
  3. Date unknownDouglas Aircraft Co INCSanta Monica, CA · different airframe: 1934 Douglas Dc2 S/N 1244

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 19, 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 (737-724)
2002-20-07 R1Boeing Model 737 Series AirplanesNov 12, 2002Airframe (737-724)
2002-20-07Boeing Model 737 Series AirplanesNov 12, 2002Airframe (737-724)
2001-11-11Boeing Model 737, 747, and 777 Series AirplanesJul 16, 2001Airframe (737-724)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 (737-724)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 (737-724)
2000-22-02 R1Boeing Model 737 Series AirplanesNov 13, 2000Airframe (737-724)
2000-22-02Boeing Model 737 Series AirplanesNov 13, 2000Airframe (737-724)
2000-15-16Boeing Model 737, 757, 767, and 777 Series AirplanesSep 12, 2000Airframe (737-724)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 (737-724)
99-22-16Boeing Model 737 Series AirplanesDec 7, 1999Airframe (737-724)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 (737-724)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 (737-724)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 (737-724)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 (737-724)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 (737-724)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 (737-724)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 (737-724)
97-05-10Boeing Model 737 Series AirplanesMar 19, 1997Airframe (737-724)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 (737-724)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 (737-724)

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

Service Difficulty Reports (80)

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 · elec connector · disconnectedSep 28, 2026

    SEATS 12C AND 15C EMERGENCY LIGHTS INOPERATIVE. FOUND CONNECTOR DISCONNECTED FROM THE FLOOR TO THE SEAT HARNESS FOR 12 AND 15. NO DAMAGE TO HARNESS OR CONNECTOR, RECONNECTED LIGHTS AND ALL EMERGENCY LIGHT OPS CHECKS GOOD IAW AMM 33-51-00.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Air conditioning and pressurization · unknown · odorMay 14, 2026

    BURNING RUBBER ODOR IN AFT GALLEY REF MM 05-51-26-800-801-C1 PERFORMED INSPECTION IN THE CABIN LAVS AND GALLEYS NEED TO START WITH STEP C (2)(E) ITEM (10) START ENGINE RUNS. NOTE COULD NOT SMELL ANY BURNT SMELL OR RUBBER SMELL OR ELECTRICAL SMELL AIRCRAFT WAS REFUSED BY FLIGHT CREW ALL CREW…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Air conditioning and pressurization · unknown · odorNov 14, 2025

    FAS REPORT BURNING ODOR IN AFT OF ACRT, BURNING ODOR WAS DEFINITELY THERE IN BACK GALLEY AROUND R2 DOOR, OPS ALL ELECTRICAL EQUIPMENT COFFEE MAKERS, COFFEE WARMERS, AND ALL OVENS AND COULD NOT DUPLICATE THE ODOR, NO OBVIOUS DEFECTS WERE FOUND, PERFORMED FIM TASK 21-00 TASK 806 , SMOKE/ FUMES IN…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reports
  • Autoflight · computer · faultedNov 9, 2025

    REJECTED T/O DUE UNEVEN ENGINE SPOOL. STBL AT 40 PCT. ENG2 LAG 1 AT PWR PSH AT ENGAGEMENT. T/S IAW FIM 22-31 TASK 801. PERFORMED A/T SYSTEM TEST IAW AMM 22-31-00-710-802. A/T DISCONNECT SWITCHES & TOGA SWITCHES OPS CHECKED GOOD IAW AMM 22-31-00-740-003 & 22-11-39-860-006. R & R A/T COMPUTER IAW…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Landing gear · cable · out of toleranceMay 10, 2025

    AIRCRAFT PULLS LEFT DURING INITIAL EVALUATION, FOUND NOSE WHEELS SLIGHTLY TURNING EV ERY TIME BYPASS LEVER IS OPERATED. SUSPECT INTERNAL LEAK. NOSE W HEELS NOT STAYING CENTERED WHEN BYPASS PIN LEVER IS OPERATED AFT ER SPEAKING WITH CREW, THEY EXPLAINED TILLER FELT ROUGH WHEN OPE RATING. DURING…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Landing gear · warning light · false activationMar 30, 2025

    PARKING BRAKE LIGHT CAME ON IN FLIGHT AT 2700FT. CONFIRMED PARKING BRAKE SHUTOFF VALVE OPERATES NORMALLY. PLACED ON MEL 3204A. CONFIRMED PARKING BRAKE SHUTOFF VALVE OPERATES NORMALLY. ACCOMPLISHED TROUBLESHOOTING ON PARKING BRAKE SWITCH. PSEU SHOWED NO CURRENT FAULTS AND PIN STATUS FOR CIRCUIT A…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Engine · compressor · stalledJan 21, 2025

    MULTIPLE LEFT ENGINE COMPRESSOR STALLS DURING CLIMBOUT. SHUTDOW N PER QRH. DEBRIEFED CREW UPON RETURN TO GATE. THEY REPORT THAT L ENG COMPRESSOR STALL HAPPENED 4 TIMES AT APPROXMITELY 4000 FT WITH ENG POWER AT CLIMB OUT. PAX REPORTED FIREBALL BLOWING AFT OF ENGINE. ENG WINDMILLED FOR ABOUT 15 MIN…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · battery pack · dischargedDec 15, 2023

    PASSENGER CABIN EMERGENCY LIGHTS, FLOOR PROXIMITY LIGHTS SEAT ROWS 3 TO 11 L/H DO NOT COME ON. REPLACED POWER SUPPLY AND BATTERY IAW B737 AMM 33-51-06-960-806. TEST OK SEAT 3 TO 11 TURN ON.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · battery pack · inoperativeDec 13, 2023

    BATTERY PACK M1675, LIGHTS SHUT OFF PRIOR TO 12 MINUTES MINIMUN (REF. AAR NR 99988910). REMOVED AND REPLACED BATTERY PACK AND POWER SUPPLY M1675 IAW B737 AMM 33-51-06-960-805 AND AMM 33-51-06-960-806 OPS CHECK GOOD SDR NO 1034560 (WORK ACCOMPLISHED BY V934137 AND AAR QC A-8 V9110 27).

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · battery pack · inoperativeDec 11, 2023

    BATTERY PACK M1668, LIGHTS SHUT OFF PRIOR TO 10 MINUTES MINIMUM (REF. AAR NR 99988909). INSTALLED NEW BATTERY PACK POS M1668 TEST PASS IAW B737 AMM 33-5 1-06-960-805 .

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

Showing the 10 most recent of 80 reports.

Related aircraft

Show all 8 related aircraft
All 36 registered Boeing 737-724 aircraft

Sources

  • FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 19, 2026
  • NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
  • FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 19, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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