Aircraft record

N277331999 Boeing 737-724

Registration validUnclaimedSource: FAA, updated Oct 20, 2026

Safety record in brief:No NTSB accidents or incidents since 198221 ADs may apply71 service difficulty reports

Registration: Valid; expires Jan 31, 2029
Based in: Chicago, IL; owner city / state
Engine: CFM56 SERIES · 2200 hp; Cfm Intl.
Owners: 1; since 2019
NTSB events: None; since 1982
ADs may apply: 21; confirm with A&P
Service reports: 71; since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026

Registered owner: United Airlines INC
Owner type: Corporation
City, state: Chicago, IL
Certificate issued: Jan 16, 2019
Expires: Jan 31, 2029
Airworthiness: Standard · Transport
Airworthiness date: Sep 5, 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: 28800
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: A2C35A

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

2019 – nowUnited Airlines INCChicago, IL · current
1956 – 1970Individual ownerKenmore, NY · different airframe: Stinson 10a S/N 7672

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.

AD	Subject	Effective	Applies to
2019-14-02	Hydraulic power	Aug 27, 2019	Airframe (737-724)
2002-20-07 R1	Boeing Model 737 Series Airplanes	Nov 12, 2002	Airframe (737-724)
2002-20-07	Boeing Model 737 Series Airplanes	Nov 12, 2002	Airframe (737-724)
2001-11-11	Boeing Model 737, 747, and 777 Series Airplanes	Jul 16, 2001	Airframe (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
2001-10-14	Boeing Model 737, 747, 757, 767, and 777 Series Airplanes	Jun 8, 2001	Airframe (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

AD	Subject	Effective	Applies to
2001-08-24	Boeing Model 737 Series Airplanes	May 10, 2001	Airframe (737-724)
2000-22-02 R1	Boeing Model 737 Series Airplanes	Nov 13, 2000	Airframe (737-724)
2000-22-02	Boeing Model 737 Series Airplanes	Nov 13, 2000	Airframe (737-724)
2000-15-16	Boeing Model 737, 757, 767, and 777 Series Airplanes	Sep 12, 2000	Airframe (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.
99-11-05	Boeing Model 737 Series Airplanes	Jun 28, 1999	Airframe (737-724)
99-22-16	Boeing Model 737 Series Airplanes	Dec 7, 1999	Airframe (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 R1	Boeing Model 737, 747, 757, 767, and 777 Series Airplanes	Dec 28, 1998	Airframe (737-724)Serial numbers per Boeing Alert Service Bulletins 737-27A1212, 747-27A2368 Revision 2, 757-27A0128, 767-27A0156, 777-27A0029 Revision 1
98-22-10	Boeing Model 737 Series Airplanes	Nov 12, 1998	Airframe (737-724)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 (737-724)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).
98-13-12	Boeing Model 737, 747, 757, 767, and 777 Series Airplanes	Jul 6, 1998	Airframe (737-724)Serial numbers per Boeing Alert Service Bulletins 737-27A1212, 747-27A2368, 757-27A0128, 767-27A0156, and 777-27A0029, dated March 26, 1998
98-03-10	Boeing Model 737, 747, 757, and 767 Series Airplanes	Feb 19, 1998	Airframe (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.
97-22-07	Boeing Model 737 Series Airplanes	Nov 12, 1997	Airframe (737-724)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 (737-724)
97-05-10	Boeing Model 737 Series Airplanes	Mar 19, 1997	Airframe (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.
97-04-01	Boeing Model 737 Series Airplanes	Mar 21, 1997	Airframe (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
95-23-10	Boeing Model 737 Series Airplanes	Dec 13, 1995	Airframe (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 (71)

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 · light · inoperativeMay 12, 2026
RT OVERWING EMERGENCY DOOR WINDOW LIGHT INOP REMOVED AND REPLACED RH OVERWING EMERGENCY EXIT DOOR WINDOW LIGHT IN REF TO AMM 33-21-00-960-806. OPS CHECK GOOD
From FAA Service Difficulty Reports; matched by N-number and serial number.
Engine air · switch · faultedMar 6, 2026
COWL ANTI-ICE AMBER CAUTION LIGHT CAME ON IN CRUISE. ENGINE WAS IDLED PER QRH. AIRCRAFT PULLED OUT OF SERVICE TROUBLESHOT PER FIM 30-21 TASK 801, UPON INSPECTION FOUND COWL ANTI-ICE CAUTION LIGHT STILL ILLUMINATED. PERFORMED ORIFICE CLEANING IAW AMM 30-21-11-100-801, LIGHT REMAINED ILLUMINATED…
From FAA Service Difficulty Reports; matched by N-number and serial number.
Doors · access door · unknownOct 2, 2025
THIS ITEM IS A LEVEL ONE CHRONIC, PLEASE REF FIM'S 52-40 T/801,802 FOR THE FWD ACCESS DOOR AND MAIN E/E DOOR CK BOTH SWITCHES THRU THE PSEU AND ENSURE BOTH ARE ADJUSTED CORRECLY. REF WDM 52-71-12 REMOVE CONN'S D10986/88 FROM THE PSEU CK PIN 6 ON BOTH CONN'S WITH MAIN E/E DOOR CLOSED ENSURE GOOD…
From FAA Service Difficulty Reports; matched by N-number and serial number.

Show all 10 reports

Doors · warning light · false activationAug 26, 2025
EQUIP DOOR ILLUMINTED REPEAT ISSUE. DISCONNECTED WIRES TO DEACTIVATE LIGHT AND VERIFIED EQUIPMENT BAY DOORS ARE CLOSED PER DDP PROCEEDURE *DM* ADDED SW/S197 IN CASE NEEDED. RECOMMEND CHECKING/CLEANING CONNECTIONS AT D10988 AND D10986 REF WDM 52-71-12-1 TO ASSIST T/S REQUIRES REPLACEMENT OF SWITCH…
From FAA Service Difficulty Reports; matched by N-number and serial number.
Windows · window · out of trackAug 7, 2025
CA WINDOW NOT INSTALLED CORRECTLY. OUT OF TRACK. FOUND AND REMOVED DEBRIS FROM L2 WINDOW TRACK. INSPECTED L2 WINDOW AND TRACK. NO DEFECTS FOUND. RE-INSTALLED L2 WINDOW PER AMM 56-12-11-400-801. LEAK CHECK GOOD. OK FOR SERVICE.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Fuselage · deck plate · buckledJun 18, 2025
FLIGHT DECK FLOOR WEB HAS GOUGE REF AAR N/R 9972855
From FAA Service Difficulty Reports; matched by N-number and serial number.
Water and waste · drain mast · crackedApr 18, 2024
DURING SERVICE CHECK, WALK AROUND INSPECTION FOUND FWD DRAIN MAST DAMAGE, PERFORMED ADDITIONAL WALK AROUND INSPECTION, NO ADDIDIONAL DEFECTS NOTED. REMOVED AND REPLACED FWD DRAIN MAST REF AMM 38-31-01/401. DRAIN MAST OPS CHECK GOOD.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Windows · windshield · crackedApr 15, 2024
R1 WINDSHIELD ARCED & CRACKED. REMOVED R1 WINDOW IAW AMM 56-11-11-000-801. CHECKED ELEC RESISTANCE OF R1 WINDOW HEAT IAW WDM 30-41-12-1 & CHANGED H13 TB5012-1 TAB NR 1 TO CORRECT NR 2 FOR H12. GLARESHIELD BRACKETS & TRIMS LOCATED AT FIRST CLASS OVERHEAD BIN UPON INSTALLATION , FOUND RETAINING…
From FAA Service Difficulty Reports; matched by N-number and serial number.
Doors · rod · disconnectedFeb 22, 2024
FWD CARGO DOOR LT ON ON INITIAL CLIMB OUT UPON ARRIVAL TO GATE THE FWD CARGO DOOR WAS OPEN. WHEN ATTEMPTING TO CLOSE THE DOOR FOUND THE EXTERIOR HANDLE WOULD NOT TURN THE LATCH ROLLER ARMS ON THE FWD AND AFT SIDE OF THE DOOR. ALL CARGO NETS APPEAR TO BE INTACT, AND NO ITEMS DEPARTED THE AIRCRAFT.…
From FAA Service Difficulty Reports; matched by N-number and serial number.
Engine · unknown · unknownJan 14, 2024
SLOW SPOOL UP ON NUMBER 2 AFTER STABLE ABOUT 40 TO 50 PERCENT LAG REF. FIM 73-05-00 TASK 814. INSPECTED #2 ENGINE FOR DEFECTS OR DAMAGE. NONE NOTED. PERFORMED EEC BITE CKS. NO FAULTS NOTED. RAN ENGINE AND PERFORMED TEST 8 ACCELERATION CK PER AMM 71-00-00-700-824-F00. ALL OPS CKS NORMAL.
From FAA Service Difficulty Reports; matched by N-number and serial number.

Showing the 10 most recent of 71 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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