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Aircraft record

N794UA1997 Boeing 777-222

Registration validUnclaimedSource: FAA, updated Oct 20, 2026

Safety record in brief:No NTSB accidents or incidents since 198223 ADs may apply143 service difficulty reports

Registration
Valid
expires Apr 30, 2029
Based in
Chicago, IL
owner city / state
Engine
PW4090 · 91,790 lb thrust
P & W
Owners
1
since 2013
NTSB events
None
since 1982
ADs may apply
23
confirm with A&P
Service reports
143
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Registered owner
United Airlines INC
Owner type
Corporation
City, state
Chicago, IL
Certificate issued
Apr 1, 2013
Expires
Apr 30, 2029
Airworthiness
Standard · Transport
Airworthiness date
Nov 17, 1997

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
777-222
Year
1997
Serial number
26953
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
AAC8A4

Engine

Make and model
P & W Pw4090
Type
Turbo-fan
Power
91,790 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. 2013 – nowUnited Airlines INCChicago, IL · current

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 (23)

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
2005-12-10Boeing Model 747-200F and -400 Series Airplanes; Model 767-400ER Series Airplanes; and…Jul 20, 2005Airframe (777-222)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 (777-222)Serial numbers per Boeing Service Bulletin 777-25-0191, dated September 13, 2001
2003-19-02Boeing Model 777 Series AirplanesOct 8, 2003Airframe (777-222)Certain serial numbers: 1–412. Only with: Limited by line numbers 1 through 412 inclusive.
2003-12-01Boeing Model 777 Series AirplanesJul 17, 2003Airframe (777-222)
2002-16-15Boeing Model 777 Series AirplanesSep 26, 2002Airframe (777-222)Certain serial numbers: 777 1–266. Only with: Limited to line numbers 1 through 266 inclusive.
Show all 23 ADs
ADSubjectEffectiveApplies to
2002-16-11Boeing Model 777 Series AirplanesSep 20, 2002Airframe (777-222)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 (777-222)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 (777-222)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 (777-222)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 (777-222)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 (777-222)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 (777-222)
2000-15-16Boeing Model 737, 757, 767, and 777 Series AirplanesSep 12, 2000Airframe (777-222)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 (777-222)Serial numbers per Boeing Alert Service Bulletin 777-28A0019, dated April 27, 2000
2000-07-08Boeing Model 777 Series AirplanesMay 16, 2000Airframe (777-222)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 (777-222)Serial numbers per Boeing Service Bulletin 777-57A0029, Revision 1, dated August 12, 1999
99-17-02Boeing Model 777 Series AirplanesSep 17, 1999Airframe (777-222)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 (777-222)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 (777-222)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 (777-222)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 (777-222)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 (777-222)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 (777-222)

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

Service Difficulty Reports (143)

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.

  • Air conditioning and pressurization · a/c pack · faultedOct 9, 2026

    PACK MODE L EICAS. COULD SMELL ACRID ODOR AND HEAT. 4 MIN LATER RECEIVED EICAS MESSGAE. APPLED MEL 2152S, CONDITIONAL INSPECTION TASK 05-51-58-800-801-C3. NO ODOR FOUND DURING THE CHECK. MEL PROCEDURE ACCOMPLISHED IAW MEL 2152S. PERFORMED FIM 21-52 TASK 818. INSPECTED LEFT PACK RAM AIR AND HEAT…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Air conditioning and pressurization · relay · faultedMay 9, 2026

    AHM DETECTED MMSG {21-11121 *RELAY (CHILLER BOOST FAN) IN P210 IS NOT IN COMMANDED POSITION* AFTER WORK WAS ACCOMPLISHED DUE TO A SMOKE ODOR CONDITION. REF FIM 21-26- 804 TO PERFORM STEPS G. (1)-(2). ENSURE TO REPORT ON C/B 21307 STATE AND WIRE CONDITION. REPLACE C/B AND OR RELAY AS REQ'D. CARRIED…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Engine fuel and control · fmu · faultyMay 6, 2026

    LEFT ENG FUEL VALVE MESSAGE. LEFT ENGINE: MESSAGE NOT LATCH RESET AND RAN ENG BLOW OUT FUMES, STARTED ENG NORMAL PARAMETERS NORMAL START, AT SHUT DOWN SMOKE ON THE TAIL AND FIRE ON THE TAIL PIPE FOR A SHORT TIME. REMOVED #1 ENG FMU REF AMM 73-21-01. REPLACED #1 ENG FMU REF AMM 73-21-01. OPS AND…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reports
  • Air conditioning and pressurization · unknown · odorApr 25, 2026

    SMOKE ODOR CONDITIONAL INSP REQUIRED PER AMM 05-51-XX DUE TO AN INCIDENT REPORTED BY THE CREW. REF AMM 05-51-58-800-801-C3, INITIAL INSPECTION AND OPERATIONAL CHECKS CARRIED OUT UP TO C (2) (H) ODOR MORE APPARENT FROM LT PACK THAN RT WITH APU PROVIDING PNEUMATIC AIR. UNABLE TO CARRY OUT ABOVE IDLE…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Pneumatic · duct · splitApr 24, 2026

    SMOKE ODOR CONDITIONAL INSP REQUIRED PER AMM 05-51-XX DUE TO AN INCIDENT REPORTED BY THE CREW.SMOKE ODOR CONDITIONAL INSP REQUIRED PER AMM 05-51-XX DUE TO AN INCIDENT REPORTED BY THE CREW. REF AMM 05-51-58-800-801-C3, CREW DEBRIEF PER CONDITIONAL INSPECTION REF AMM 05-51-58-800-801-C3, INITIAL…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Airborne auxiliary power · apu · faultedApr 24, 2026

    ON TAXI OUT SMOKE STARTED TO COME INTO THE COCKPIT. AFTER THAT THE LT PACK FAILED AND RAN THE CHECKLISTS. SMOKE CLEARED ONCE LT PACK WAS SECURED. FLIGHT CREW DEBRIEFED. FLIGHT CREW FOLLOWED SMOKE CHECKLIST. FLIGHT CREW FOUND LT PACK OFF LIGHT ILLUMINATED WHEN THEY WENT TO SHUT OFF LT PACK. APU NOT…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Structures (general) · unknown · unknownAug 19, 2025

    LOWER CREW REST SMELLS LIKE KEROSINE OUTFLOW PAX FLOW AIR IS RUNING NO EVIDENCE SMELLS OK TO CONTINUE

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Doors · skin · crackedJul 2, 2025

    DOOR 4L DAMAGE REINSPECTION - ECRA 5210-03387 REVISED TO INCLUDE AN INSPECTION REQUIREMENT PRIOR TO EACH FLIGHT. REF ECRA 5210-03387 REV A. STEPS 11-13 FOR REINSPECT REQUIREMENTS AND LOGS 4974024 AND 4960974 FOR DAMAGE HISTORY.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · battery pack · malfunctionedJul 1, 2025

    R3 DOOR AFT EMERGENCY LIGHT BATTERY PACK M33401 FOUND MALFUNCTIONED. REPLACED R3 DOOR AFT EMERGENCY LIGHT PO WER SUPPLY M33401 & BATTERY PACK,THE PERFORMED NEW POWER SUPPLY AND NEW BATTERY PACK INSTALLATION TEST,THE RESULT NORMAL AS PER AMM 33-51-06-960-803 & AMM 33-51-06-960-802 REV.104.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · power supply · malfunctionedJul 1, 2025

    R3 DOOR FWD EMERGENCY LIGHT BATTERY PACK M33404 FOUND MALFUNCTIONED. REPLACED R3 DOOR FWD EMERGENCY LIGHT PO WER SUPPLY M33404 & BATTERY PACK THE PERFORMED NEW POWER SUPPLY AND NEW BATTERY PACK INSTALLATION TEST,THE RESULT NORMAL AS PER AMM 33-51-06-960-803 & AMM 33-51-06-960-802 REV.104.

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

Showing the 10 most recent of 143 reports.

Related aircraft

Show all 8 related aircraft
All 52 registered Boeing 777-222 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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