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Aircraft record

N780091999 Boeing 777-224

Registration validUnclaimedSource: FAA, updated Oct 20, 2026

Safety record in brief:No NTSB accidents or incidents since 198224 ADs may apply81 service difficulty reports

Registration
Valid
expires Jan 31, 2030
Based in
Chicago, IL
owner city / state
Engine
GE90-90B · 94,000 lb thrust
Ge
Owners
1
since 1999
NTSB events
None
since 1982
ADs may apply
24
confirm with A&P
Service reports
81
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Registered owner
United Airlines INC
Owner type
Corporation
City, state
Chicago, IL
Certificate issued
Apr 22, 1999
Expires
Jan 31, 2030
Airworthiness
Standard · Transport
Airworthiness date
Apr 20, 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
777-224
Year
1999
Serial number
29479
Aircraft type
Fixed wing multi engine
Category
Land
Certification
Type Certificated
Seats
400
Engines
2
Max takeoff weight
20,000 and over lb
Mode S code
AA9300

Engine

Make and model
Ge Ge90-90b
Type
Turbo-fan
Power
94,000 lb thrust

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. 1970 – 1971Mid State Aviation INCBismarck, ND · different airframe: Globe Gc-1b S/N 2009

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 (24)

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
2023-05-17Turbine SectionMay 10, 2023Engine (GE90-90B)Only with: Excludes engines with an installed full set of HPT stage 2 nozzles P/N 1847M47G23 and 1847M47G24.
2005-12-10Boeing Model 747-200F and -400 Series Airplanes; Model 767-400ER Series Airplanes; and…Jul 20, 2005Airframe (777-224)Serial numbers per Boeing Service Bulletins 747-25-3313 Revision 1, 767-25-0335, and 777-25-0210
2004-05-26Boeing Model 777 Series AirplanesApr 19, 2004Airframe (777-224)Serial numbers per Boeing Service Bulletin 777-25-0191, dated September 13, 2001
2003-19-02Boeing Model 777 Series AirplanesOct 8, 2003Airframe (777-224)Certain serial numbers: 1–412. Only with: Limited by line numbers 1 through 412 inclusive.
2003-12-01Boeing Model 777 Series AirplanesJul 17, 2003Airframe (777-224)
Show all 24 ADs
ADSubjectEffectiveApplies to
2002-16-15Boeing Model 777 Series AirplanesSep 26, 2002Airframe (777-224)Certain serial numbers: 777 1–266. Only with: Limited to line numbers 1 through 266 inclusive.
2002-16-11Boeing Model 777 Series AirplanesSep 20, 2002Airframe (777-224)Certain serial numbers: 777 1–263. Only with: Applies by line numbers 1 through 263 inclusive.
2002-11-06Boeing Model 777 Series AirplanesJul 10, 2002Airframe (777-224)Certain serial numbers: 777 1–369. Only with: Applies to line numbers 1 through 369 inclusive.
2001-22-13Boeing Model 737-100, -200, -300, -400, and -500 Series Airplanes; and Model 747, 757…Dec 6, 2001Airframe (777-224)Serial numbers per Boeing Service Bulletin 737-27A1214 Rev 1; Alert Service Bulletins 747-27A2373, 757-27A0129, 767-27A0159, 777-27A0030
2001-11-11Boeing Model 737, 747, and 777 Series AirplanesJul 16, 2001Airframe (777-224)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 (777-224)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.
2001-03-09Boeing Model 777 Series AirplanesMar 23, 2001Airframe (777-224)Certain serial numbers: 777 1–155. Only with: Limited by line numbers 1 through 155 inclusive.
2000-23-28Boeing Model 777 Series AirplanesJan 2, 2001Airframe (777-224)
2000-15-16Boeing Model 737, 757, 767, and 777 Series AirplanesSep 12, 2000Airframe (777-224)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.
2000-14-05Boeing Model 777 Series AirplanesJul 28, 2000Airframe (777-224)Serial numbers per Boeing Alert Service Bulletin 777-28A0019, dated April 27, 2000
2000-07-08Boeing Model 777 Series AirplanesMay 16, 2000Airframe (777-224)Certain serial numbers: 777 2–103; 777 105–119; 777 121–161; 777 163–177; 777 179–186. Only with: Applicability limited by line numbers, not serial numbers.
2000-01-14Boeing Model 777 Series AirplanesFeb 18, 2000Airframe (777-224)Serial numbers per Boeing Service Bulletin 777-57A0029, Revision 1, dated August 12, 1999
99-17-02Boeing Model 777 Series AirplanesSep 17, 1999Airframe (777-224)Serial numbers per Boeing Service Bulletin 777-53A0018, Revision 1, dated February 11, 1999 (Groups 1 and 2)
99-15-10Boeing Model 777 Series AirplanesAug 5, 1999Airframe (777-224)Only with: Equipped with an engine-driven pump supply shutoff valve having Boeing part number S271W741-21.
99-13-05Boeing Model 777 Series AirplanesJul 8, 1999Airframe (777-224)Serial numbers per Boeing Alert Service Bulletin 777-57A0008, dated March 25, 1999
99-10-14Boeing Model 747-400, 757, 767, and 777 Series Airplanes Equipped With AlliedSignal…Jun 17, 1999Airframe (777-224)Only with: Equipped with AlliedSignal RIA-35B Instrument Landing System (ILS) receivers, P/N 066-50006-0101.
98-13-12 R1Boeing Model 737, 747, 757, 767, and 777 Series AirplanesDec 28, 1998Airframe (777-224)Serial numbers per Boeing Alert Service Bulletins 737-27A1212, 747-27A2368 Revision 2, 757-27A0128, 767-27A0156, 777-27A0029 Revision 1
98-13-12Boeing Model 737, 747, 757, 767, and 777 Series AirplanesJul 6, 1998Airframe (777-224)Serial numbers per Boeing Alert Service Bulletins 737-27A1212, 747-27A2368, 757-27A0128, 767-27A0156, and 777-27A0029, dated March 26, 1998
97-10-02Boeing Model 777 Series AirplanesMay 21, 1997Airframe (777-224)

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

Service Difficulty Reports (81)

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 · battery pack · no testAug 27, 2026

    EMERGENCY LIGHTS AROUND DOOR 3R GOES OFF AFTER FEW MINUTES BEING TESTED. TROUBLESHOOTED PER FIM 33-51 TASK 806 AND FOUND EMERGENCY POWER SUPPLY M33401 WITH BATTERY DISCHARGED. REPLACED BATTERY PACK OF POWER SUPPLY M33401 PER AMM TASK 33-51-06-960-802. LIGHTS OPS TESTED SATISFACTORILY.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Wings · seal · missingJul 13, 2026

    LEFT INBORD FLAPERON SEAL MISSING ON ARR. CLEATED CDL LOG PG 9586033. NO OTHER DAMAGE NOTED. LEFT FLAPERON INBOARD SEAL MISSING 4 FOOT ADD PIC INFORMATION FOR PDA PAGE REF LP9586114 PREVIOUS PDA 3 LP 9586114 WRONG, SHOULD READ PDA 2 REF LP 9586228 4 FOOT OF SEAL MISSING ON ARR, REQUEST CDL…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Engine · compressor · stalledJun 21, 2026

    RIGHT ENG COMPRESSOR STALL AND EGT EXCEEDANCE AT V1 REVIEWED AHM DATA, FOUND EGT DATA PEAKED AT 138.5 FOR 6 SECS. REF AMM 71-00-00-200-814-G00 7.C.(2)(B) TAKEOFF AND MAX CONTINUOUS EGT FIG 603, 1038.5 FOR 6 SECS PUTS US IN AREA B AND DOES NOT REQ IMMEDIATE ENGINE CHANGE. AREA B REQ'S A BSI OF THE…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reports
  • Engine fuel and control · hmu · faultedJun 19, 2026

    RIGHT ENGINE COMPRESSOR STALLED ON ROTATION NO EXCEEDENCES. PERFORMED FAULT ISOLATION NR 2 ENG IAW FIM 71-05, TASK 807, STEPS A - E, NO DEFECTS NOTED. NR 2 ENGINE BORESCOPE PLUGS REMOVAL & INSTALL CONTINUED FAULT ISOLATION PROCEDURE ON FIM 71-05, TASK 807, STEP E (1) THRU (B) 2), ENG CONTROL RT OR…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · charger · faultyJun 17, 2026

    EMERGENCY LIGHTS - OPERATIONAL TEST WITH THE TEST SWITCHES PROCEDURE - EMERGENCY LIGHTS BETWEEN ROW 22 AND DOOR 3 RH DOES NOT GO ON. POWER SUPPLY REPLACEMENT IAW AMM 33-51-06-960-803. TEST OK.PARTS USED: 29-3351-3-0031,QTY :1

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Doors · battery · inoperativeFeb 17, 2026

    EMERGENCY POWER ASSIST SYSTEM (EPAS) BATTERY - ELECTRICAL CHARGE CHECK (PED 1, 2, 3, 4) EPAS BATTERY ELECTRICAL CHARGE CHECK - EPAS BATTERY DOESNT BLINK. REQUIRES BATTERY REPLACEMENT REPLACED 9V BATTERY PACK IAW AMM TASK 52-11-20-400-806-002.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Equipment and furnishings · slide · no discrepancySep 7, 2025

    SLIDE RAFT PRESSURE GAUGE NOT IN GREEN. THE PRESSURE INDICATOR NEEDLE IS IN THE GO BAND (GREEN).REF AMM TASK 52-11-22-200-801.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Windows · sealant · deterioratedSep 5, 2025

    WHILE PRESSURIZING AIRCRAFT TO LEAK CHECK CAPT WINDSHIELD FOUND 3 LOCATIONS LEAKING. STARTED TO REMOVE SEALANT AND REMOVED WINSHIELD WIPER. SEALANT DID NOT APPEAR TO BE FULLY CURED HAD A CRUMBLY TEXTURE AND SMELLED UNCURED. REMOVED OLD SEALANT, RETORQUED AND RESEALED CAPT WINDSHIELD REF AMM…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Starting · starter · leakingSep 4, 2025

    OIL QTY LOW ENG 1. DROP TO ZERO IN FLT. LOSS OF 1 QT EVERY 20-25 MINS. REPLACED STARTER REF AMM 80-11-01. ACCOMPLISHED 10 MIN IDLE RUN NO EXTERNAL LEAKS NOTED.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · circuit breaker · no discrepancyJul 13, 2025

    PULLED C/B H9 EMERGENCY LIGHTS DOOR 1L, H10 EMERGENCY LIGHTS DOOR 2R, H11 EMERGENCY LIGHTS DOOR 1R & 2L, H16 EMERGENCY LIGHTS DOOR 3L, H17 EMERGENCY LIGHTS DOOR 3R, H18 EMERGENCY LIGHTS DOOR 4L & 4R ON P11 FOR EPAS BATTERY REPLACEMENT. CLOSED C/BS H9, H10, H11, H16, H17, H18 ON P11 AFTER EPAS…

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

Showing the 10 most recent of 81 reports.

Related aircraft

Show all 8 related aircraft
All 22 registered Boeing 777-224 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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