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Aircraft record

N277341999 Boeing 737-724

Registration validUnclaimedSource: FAA, updated Oct 20, 2026

Safety record in brief:No NTSB accidents or incidents since 198221 ADs may apply78 service difficulty reports

Registration
Valid
expires Apr 30, 2028
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
78
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Registered owner
United Airlines INC
Owner type
Corporation
City, state
Chicago, IL
Certificate issued
Sep 16, 1999
Expires
Apr 30, 2028
Airworthiness
Standard · Transport
Airworthiness date
Sep 15, 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
28949
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
A2C35B

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. 1941 – 1944Commercial Aircraft Co INCPortland, OR · different airframe: Stinson 10 S/N 7667

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 (737-724)
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 (78)

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 · switch · brokenApr 7, 2026

    FA GUARDED SWITCH FOR EMERGENCY LIGHT BROKEN. REMOVED & INSTALLED NEW GUARD SWITCH IAW IPC 33-51-01 OPS CHECK PASSED.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · angle · corrodedDec 18, 2025

    FOUND CORROSION SPOTS AT AFT WET AREA AFT PRESSURE BULKHEAD LOWER WEB FROM INBD TO OTBD BS 1016. REPLACED MAIN CABIN AFT PRESSURE BULKHEAD, LOWER SEAL ZEE ANGLE SUPPORT, IAW SRM 51-40-02-OG-0, AND DWG 148A0922.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Structures (general) · repair · undocumentedDec 18, 2025

    DURING AGING AIRCRAFT INSPECTION FOUND EXISTING EXTERNAL FUSELAGE REPAIR AT APPROX BS 375-390, STR 19R-21R. UNABLE TO FIND ANY DOCUMENTATION OF REPAIR INSTALLATION OR ASSOCIATED DIPS FOR CAT B REPAIR INSPECTION. ACCOMPLISHED SKIN REPAIR AT RT SIDE BS 360-400, STR 18-20R IAW ECRA 5330-07670 AND SRM…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reports
  • Fuselage · frame · gougedDec 14, 2025

    AFT CARGO, FRAME AT BS 727B, STRINGER 24L, UPPER FLANGE FOUND A GOUGED AND DEFORMED ON THE BACK SIDE. ACCOMPLISHED A REPAIR IAW SRM 51-40-02-0G-0, & SRM 53-60-07-2R-3.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · stringer · crackedDec 8, 2025

    FOUND CRACK AT FWD WET AREA STRINGER 15L BETWEEN BS 294.5 & 303.9. ACCOMPLISHED REPAIR OF STRINGER 15L BETWEEN BS 277 AND 294.5 AS PER ECRA 5310-08741 AND SRM 53-00-03-2R-1.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · stringer · corrodedDec 8, 2025

    CORROSION AT STRINGER SPLICE 28L AT MAIN EE AT APPROX BS 360. REMOVED AND REPLACED STRINGER SPLICE 28L BS 360 IAW SRM 51-40-02-0G-0 AND DWG 140A9101.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · floorbeam · corrodedDec 5, 2025

    CORROSION AFT WET AREA LATERAL PANEL BREAK BS 947.5+4 BETWEEN RBL 27 AND 49. REMOVED AND REPLACED FLOORBEANM AT BS 947.5+4.0", BETWEEN RBL-27 AND RBL-49, IAW SRM 51-40-02-0G-0 AND DWG 147A5650. REMOVED AND REPLACED FLOORBEAM, BS 947.5+4.0", BETWEEN RBL 27 AND RBL 49, IAW SRM 51-40-02-0G-0 AND DWG…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · floor support · corrodedDec 5, 2025

    CORROSION AFT WET AREA FLOOR SUPPORT CHANNEL BETWEEN STA 947.5 AND 967 AT LBL 49. REMOVED AND REPLACED FLOOR SUPPORT IAW SRM 51-40-02-0G-0, AND DWG 147A5650.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · floorbeam · corrodedDec 5, 2025

    CORROSION AFT WET AREA FLOORBEAM BS 986.5 AROUND FASTENER HOLES BETWEEN RBL 4 AND 44. ACCOMPLISHED REPAIR IAW SRM 53-70-51-2R-4, AND SRM 51-40-02-0G-0.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · floor support · corrodedDec 5, 2025

    CORROSION AFT WET AREA PANEL BREAK BETWEEN STA 947.5 AND 967 AT LBL 16 AROUND FASTENER HOLES. REMOVED AND REPLACED THE FLOOR SUPPORT IAW SRM 51-40-02-0G-0, DWG 147A5650,

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

Showing the 10 most recent of 78 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 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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