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Aircraft record

N644UA1991 Boeing 767-322

Registration validUnclaimedSource: FAA, updated Oct 17, 2026

Safety record in brief:2 NTSB incidents (minor damage at worst, latest Nov 2014)51 ADs may apply375 service difficulty reports

Registration
Valid
expires Jun 30, 2028
Based in
Chicago, IL
owner city / state
Owners
1
since 2015
NTSB events
2
minor, 2014
ADs may apply
51
confirm with A&P
Service reports
375
since 1995

Registration

FAA Aircraft Registry · Oct 17, 2026
Registered owner
United Airlines INC
Owner type
Corporation
City, state
Chicago, IL
Certificate issued
Jun 3, 2015
Expires
Jun 30, 2028
Airworthiness
Standard · Transport
Airworthiness date
May 17, 1991

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
767-322
Year
1991
Serial number
25094
Aircraft type
Fixed wing multi engine
Category
Land
Certification
Type Certificated
Seats
330
Engines
2
Max takeoff weight
20,000 and over lb
Mode S code
A875DA

Engine

Make and model
P&W Pw4000 Ser
Type
Turbo-fan
Power
60,000 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. 2015 – nowUnited Airlines INCChicago, IL · current

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 17, 2026 · SDRs · Oct 16, 2026

NTSB events (2)

Incident

Nov 4, 2014 · Lima

The Comisión Investigadora de Accidentes de Aviación (CIAA) of Peru has notified the NTSB of an incident involving a BOEING 767 322 that occurred on November 04, 2014. The NTSB has appointed a U.S. Accredited Representative to assist the CIAA of Peru's investigation under the provisions of ICAO Annex 13 as the State of Manufacturer and Design of the airplane. All investigative information will…

Injuries
None
Report
DCA15WA024

From NTSB records; matched by serial number.Read NTSB report (search CAROL for DCA15WA024)

Incident · minor damage

Aug 4, 2010 · Chicago, IL

the brake fire after landing was caused by hydraulic fluid leaking on to hot brakes.

Damage
Minor
Injuries
Minor
Report
DCA10IA082

From NTSB records; matched by serial number.Read NTSB report (search CAROL for DCA10IA082)

Accident history for this model

ADs published since 1998 that may apply (51)

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
2004-14-19Boeing Model 767 Series AirplanesAug 20, 2004Airframe (767-322)
2004-09-14Boeing Model 767 Series Airplanes Powered by General Electric or Pratt & Whitney EnginesJun 9, 2004Airframe (767-322)Serial numbers per Boeing Service Bulletin 767-54A0101, Revision 3, dated September 5, 2002. Only with: Airplanes powered by General Electric or Pratt & Whitney engines, as listed in the service bulletin.
2004-05-10Boeing Model 767 Series AirplanesMar 22, 2004Airframe (767-322)Certain serial numbers: 001–175. Only with: Applies to airplanes with line numbers 001 through 175 inclusive.
2003-19-09Boeing Model 767 Series AirplanesOct 27, 2003Airframe (767-322)
2003-14-09Boeing Model 767 Series AirplanesAug 22, 2003Airframe (767-322)Certain serial numbers: 1–749. Only with: Limited by line numbers 1 through 749 inclusive.
Show all 51 ADs
ADSubjectEffectiveApplies to
2003-14-08Boeing Model 737-600, 737-700, 737-700C, 737-800, 737-900, 757, and 767 Series AirplanesAug 18, 2003Airframe (767-322)
2003-13-01Boeing Model 767 Series AirplanesJul 29, 2003Airframe (767-322)Certain serial numbers: 1–826; 830; 842; 855; 856; 859; …. Only with: Limits are by line number, not serial number.
2003-11-16Boeing Model 767 Series AirplanesJul 8, 2003Airframe (767-322)Certain serial numbers: 1–879. Only with: Line numbers 1 through 879 inclusive.
2002-08-15Boeing Model 767 Series AirplanesMay 28, 2002Airframe (767-322)Certain serial numbers: 767 160–541. Only with: Limited to line numbers 160 through 541 inclusive.
2002-01-13Boeing Model 767 Series AirplanesMar 1, 2002Airframe (767-322)Certain serial numbers: 001–605. Only with: Line numbers 001 through 605 inclusive on which the terminating action required by paragraph (e) of this AD has not been accomplished.
2001-26-19Boeing Model 767 Series AirplanesJan 18, 2002Airframe (767-322)Certain serial numbers: 767 1–854. Only with: Limited by line numbers 1 through 854 inclusive, not serial numbers.
2001-24-01Boeing Model 767 Series Airplanes Powered by Pratt & Whitney Model PW4000 Series EnginesJan 4, 2002Airframe (767-322)Certain serial numbers: 767 1–821. Only with: Line numbers 1 through 821, equipped with Pratt & Whitney PW4000 series engines.
2001-22-13Boeing Model 737-100, -200, -300, -400, and -500 Series Airplanes; and Model 747, 757…Dec 6, 2001Airframe (767-322)Serial numbers per Boeing Service Bulletin 737-27A1214 Rev 1; Alert Service Bulletins 747-27A2373, 757-27A0129, 767-27A0159, 777-27A0030
2001-17-28Boeing Model 767 Series AirplanesSep 13, 2001Airframe (767-322)
2001-16-07Boeing Model 747-400 and 767 Series Airplanes Equipped With General Electric CF6-80C2…Sep 24, 2001Airframe (767-322)Serial numbers per Boeing Service Bulletin 747-71-2285 or 767-71-0088, both dated October 8, 1998. Only with: Equipped with General Electric CF6-80C2 series engines.
2001-14-19Boeing Model 767 Series AirplanesAug 28, 2001Airframe (767-322)Certain serial numbers: 767 1–757. Only with: Applies to line numbers 1 through 757 inclusive.
2001-12-08Boeing Model 767 Series AirplanesJul 20, 2001Airframe (767-322)Serial numbers per Boeing Alert Service Bulletin 767-25A0265, dated May 27, 1999
2001-10-14Boeing Model 737, 747, 757, 767, and 777 Series AirplanesJun 8, 2001Airframe (767-322)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.
2001-06-12Boeing Model 767 Series Airplanes Powered by General Electric EnginesMay 7, 2001Airframe (767-322)Certain serial numbers: 767 1–663. Only with: Powered by General Electric engines; limits are line numbers 1 through 663 inclusive.
2001-04-09Boeing Model 767 Series AirplanesMar 20, 2001Airframe (767-322)
2001-02-07Boeing Model 767 Series Airplanes Powered by Pratt & Whitney EnginesMar 5, 2001Airframe (767-322)Certain serial numbers: 767 1–663. Only with: Powered by Pratt & Whitney engines; line numbers 1 through 663 inclusive.
2000-22-11Boeing Model 767 Series AirplanesDec 13, 2000Airframe (767-322)Certain serial numbers: 767 1–723. Only with: Applies to line numbers 1 through 723 inclusive.
2000-21-04Boeing Model 767 Series AirplanesNov 24, 2000Airframe (767-322)Serial numbers per Boeing Alert Service Bulletin 767-24A0126, dated February 24, 2000
2000-19-09Boeing Model 767 Series Airplanes Powered by Rolls-Royce RB211 Series EnginesOct 17, 2000Airframe (767-322)Certain serial numbers: 767 1–663. Only with: Powered by Rolls-Royce RB211 series engines; line numbers 1 through 663 inclusive.
2000-17-06Boeing Model 747 and 767 Series Airplanes Equipped With General Electric CF6-80C2 Series…Oct 5, 2000Airframe (767-322)Only with: Equipped with General Electric CF6-80C2 series engines.
2000-15-16Boeing Model 737, 757, 767, and 777 Series AirplanesSep 12, 2000Airframe (767-322)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.
2000-11-06Boeing Model 767 Series AirplanesJul 6, 2000Airframe (767-322)
2000-12-17Boeing Model 767 Series AirplanesJul 24, 2000Airframe (767-322)Certain serial numbers: 1–663. Only with: Applies by line numbers 1 through 663 inclusive, not manufacturer serial numbers.
2000-10-51Boeing Model 767 Series AirplanesJun 19, 2000Airframe (767-322)Certain serial numbers: 767 L/N 1–L/N 230. Only with: Limited by line numbers (L/N) 1 through 230 inclusive.
2000-11-08Boeing Model 747 and 767 Series Airplanes Powered by General Electric Model CF6-80C2…Jul 6, 2000Airframe (767-322)Only with: Powered by General Electric Model CF6-80C2 series engines.
2000-09-04Boeing Model 767 Series Airplanes Equipped with General Electric Model CF6-80C2 Series…May 19, 2000Airframe (767-322)Only with: Equipped with General Electric Model CF6-80C2 series engines.
2000-07-05Boeing Model 767 Series AirplanesMay 15, 2000Airframe (767-322)Serial numbers per Boeing Alert Service Bulletin 767-54A0094, dated May 22, 1998
99-26-02Boeing Model 747-400 and 767 Series Airplanes Powered by Pratt & Whitney PW4000 Series…Jan 24, 2000Airframe (767-322)Serial numbers per Boeing Service Bulletin 747-78A2165, Revision 1 (747-400); Boeing Alert Service Bulletin 767-78A0080 (767). Only with: Airplanes powered by Pratt & Whitney PW4000 series engines.
99-26-09Boeing Model 767 Series AirplanesJan 24, 2000Airframe (767-322)Serial numbers per Boeing Alert Service Bulletin 767-71A0087, dated October 10, 1996. Only with: Powered by Pratt & Whitney Model JT9D or Model PW4000 series engines.
99-21-18Boeing Model 767 Series Airplanes Powered by Pratt & Whitney JT9D-7R4 Series Turbofan…Nov 22, 1999Airframe (767-322)Only with: Powered by Pratt & Whitney JT9D-7R4 series or General Electric CF6-80A series turbofan engines.
99-19-29Boeing Model 767 Series AirplanesOct 20, 1999Airframe (767-322)Certain serial numbers: 767 1–177. Only with: Limited to line positions 1 through 177 inclusive.
99-11-14Boeing Model 767 Series AirplanesJul 8, 1999Airframe (767-322)Certain serial numbers: 767 1–609. Only with: Line numbers 1 through 609 having 4330M steel fuse pins installed in the outboard support of the main landing gear beam.
99-10-14Boeing Model 747-400, 757, 767, and 777 Series Airplanes Equipped With AlliedSignal…Jun 17, 1999Airframe (767-322)Only with: Equipped with AlliedSignal RIA-35B Instrument Landing System (ILS) receivers, P/N 066-50006-0101.
99-10-08Boeing Model 767 Series AirplanesJun 11, 1999Airframe (767-322)Certain serial numbers: 767 001–455. Only with: Limited by manufacturer's line positions 001 through 455 inclusive.
98-13-12 R1Boeing Model 737, 747, 757, 767, and 777 Series AirplanesDec 28, 1998Airframe (767-322)Serial numbers per Boeing Alert Service Bulletins 737-27A1212, 747-27A2368 Revision 2, 757-27A0128, 767-27A0156, 777-27A0029 Revision 1
98-23-05Boeing Model 767 Series AirplanesDec 10, 1998Airframe (767-322)Serial numbers per Boeing Alert Service Bulletin 767-35A0029, dated January 30, 1997
98-17-13Boeing Model 747 and 767 Series Airplanes Equipped with Rolls-Royce Model RB211-524G/H…Sep 3, 1998Airframe (767-322)Only with: Equipped with Rolls-Royce Model RB211-524G/H engines.
98-16-07Boeing Model 767 Series AirplanesSep 4, 1998Airframe (767-322)Certain serial numbers: 767 1–562. Only with: Limited to airplanes having line positions 1 through 562 inclusive.
98-13-12Boeing Model 737, 747, 757, 767, and 777 Series AirplanesJul 6, 1998Airframe (767-322)Serial numbers per Boeing Alert Service Bulletins 737-27A1212, 747-27A2368, 757-27A0128, 767-27A0156, and 777-27A0029, dated March 26, 1998
98-10-10Boeing Model 747 and 767 Series AirplanesMay 27, 1998Airframe (767-322)Certain serial numbers: 747 0001–1145; 767 001–689; 767 691. Only with: Ranges are line positions; Model 747 airplanes only if not inspected in accordance with AD 96-26-06 or AD 97-26-07 (Boeing Alert Service Bulletin 747-28A2204).
98-07-26Boeing Model 767 Series AirplanesApr 21, 1998Airframe (767-322)Certain serial numbers: 1–683. Only with: Line numbers 1 through 683 inclusive, equipped with forward galley air chillers.
98-03-10Boeing Model 737, 747, 757, and 767 Series AirplanesFeb 19, 1998Airframe (767-322)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.
97-19-15Boeing Model 767 Series AirplanesOct 2, 1997Airframe (767-322)
97-15-09Boeing Model 757 and 767 Series AirplanesAug 1, 1997Airframe (767-322)
97-08-51Boeing Model 767 Series AirplanesMay 7, 1997Airframe (767-322)
95-08-11Boeing Model 767 Series Airplanes Equipped With Off-Wing Escape SlidesMay 24, 1995Airframe (767-322)Only with: Equipped with off-wing escape slides.

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

Service Difficulty Reports (375)

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 · lens · missingAug 29, 2026

    WHITE EMERGENCY LIGHT LENS MISSING AT SEAT 32F. REMOVED AND REPLACED WITH A NEW EMERGENCY LIGHT AT ROW 3 F. OPS CHECKED GOOD IAW CMM 25-21-53 & AMM 33-51-00.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Doors · proximity switch · faultedAug 19, 2026

    LEFT WING SLIDE EICAS MESSAGE AND EMER DOORS ANNUNCIATOR LIGHT ON MOMENTARILY IN CRUISE. LT WING SLIDE DOOR ON WING TO BODY FAIRY INSPECTED. FOUND LATCHED PROPERLY. SUSPECT PROX SWITCH GIVING FALSE READING. NOT POSSIBLE TO REPRODUCE. FAULT CLEARED. IAW AMM 52-71-00/501 REV 148

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · skin · puncturedJul 31, 2026

    PUNCTURE IN LT SKIN ABOVE HORIZONTAL STAB APPROX BS 1728, WL 300. LENGTH OF PUNCTURE IS 1.25 INCHES, AND DAMAGED OUTER CHORD OF BULKHEAD 1725.5. MORE DETAILED LOCATION IS STA 1727.7 TO STA 1728.8, LOCATED 2 INCHES ABOVE S-4 AT THE LOWEST POINT, AND 2.75 INCHES ABOVE S-4 AT THE HIGHEST POINT. REF…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reports
  • Lights · battery · faultedJun 1, 2026

    DURING TEST ON PANEL P40 TO RS EMERGENCY LIGHTS WAS OBSERVED R FWD DOOR SLIDE AND OVER WING LIGHTS DOES NOT TURN ON. REMOVED AND REPLACED THE BATTERY PACK M731 REF AMM 33-51-07/201. GOOD FOR SERVICE.PARTS USED: 75-3351-3-0041, QTY :1

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · light · damagedMay 9, 2026

    VISUAL CHECK OF CONTROL AND PASSENGER CABIN INTERIOR. EMERGENCY PATHWAY LIGHT AT SEAT 40D DAMAGED. R/R EMERGENCY PATHWAY LOGHT AT SEAT 40D REF CMM 25-21-53. EMERGENCY LIGHT OPS CHECK GOOD AT THIS TIME.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · light · damagedMay 9, 2026

    VISUAL CHECK OF CONTROL AND PASSENGER CABIN INTERIOR. PROCEDURE - EMERGENCY PATHWAY LIGHT AT SEAT 43F DAMAGED. R & R EMERGENCY PATHWAY LIGHT AT SEAT 43F REF CMM 25-21-53. EMERGENCY LIGHT OPS CHECK GOOD AT THIS TIME.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · light · damagedMay 9, 2026

    VISUAL CHECK OF CONTROL AND PASSENGER CABIN INTERIOR. EMERGENCY PATHWAY LIGHT AT SEAT 45D DAMAGED. R/R EMERGENCY PATHWAY LIGHT AT SEAT 45D REF CMM 25-21-53. EMERGENCY LIGHT OPS CHECK GOOD AT THIS TIME.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · stringer · corrodedApr 7, 2026

    BULK CARGO BILGE INSULATION, S-32L TO BL 0, BS 1540 TO 1629 (163BIA) WAS FOUND CORROSION AT S-36L / BS 1562. IT WAS PERFORMED THE ESFR AND SDR. IT IS NECESSARY QC APPROVAL AND UPDATE ON NON ROUTINE. INSPECTED AND APPROVED ESFR #3330 THE STEPS WERE PERFORMED PER STEPS ON NON-ROUTINE. THE ECRA…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Wings · rib · damagedApr 7, 2026

    LEFT WING - INBOARD AILERON PANEL SUPPORT BEAM WITH A ELONGATED HOLE. INSPECTED AND APPROVED ESFR #3331 THE STEPS WERE PERFORMED AND RECORDED. THE ECRA 5751-01628 HAS BEEN ISSUED. NO MORE MAINTENANCE ACTION REQUIRED QC INSPECTION APPROVED.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Structures (general) · repair · inspectedMar 10, 2026

    INSPECT THE REPAIRED AREA OF FUSELAGE SKIN AT L1 DOOR CUTOUT AFT LOWER CORNER PER THE LATEST REVISION OF EC/RA 5315-01195 PART 2

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

Showing the 10 most recent of 375 reports.

Sources

  • FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 17, 2026
  • NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
  • FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 17, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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