- Registered owner
- United Airlines Inc
- Location
- Chicago, IL
- Owner type
- Corporation
- Serial number
- 26933
- Year built
- 1997
- Type
- Fixed wing multi engine
- Engine
- Turbo-fan
- Airworthiness
- Standard, transport
- Airworthiness date
- August 28, 1997
- Certificate issued
- April 1, 2013
- Expires
- April 30, 2029
- Mode S code
- AABD7F
From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Pratt & Whitney PW4000 model are included below.
On this page
Airworthiness directives that may apply · 202
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1996 | 3 |
|---|---|
| 1997 | 4 |
| 1998 | 2 |
| 1999 | 8 |
| 2000 | 11 |
| 2001 | 9 |
| 2002 | 7 |
| 2003 | 3 |
| 2004 | 8 |
| 2005 | 17 |
| 2006 | 10 |
| 2007 | 11 |
| 2008 | 8 |
| 2009 | 4 |
| 2010 | 8 |
| 2011 | 10 |
| 2012 | 14 |
| 2013 | 10 |
| 2014 | 14 |
| 2015 | 10 |
| 2016 | 14 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 6 |
| 2020 | 7 |
| 2021 | 3 |
| 2022 | 11 |
| 2023 | 7 |
| 2024 | 6 |
| 2025 | 5 |
| 2026 | 5 |
See all 242 ADs
Information bulletins that may apply · 10
Advisory, not mandatory.
Airframe · Boeing 777-222
SAIB AIR-22-09R1AUTOPILOT FLIGHT DIRECTOR SYSTEM: ALT HOLD Engaged on Takeoff on Boeing Model 777/787 common fleets.SAIB AIR-20-19Flight Management Computing Software SystemSAIB NM-20-11Autopilot SystemSAIB NM-20-07Navigation - Glideslope SystemSAIB NE-19-03Escape Slide Maintenance Tasks and Intervals - JASC 2565SAIB NM-17-15Equipment/Furnishings - Inflatable Airbag AssemblySAIB NM-17-10Maintenance PracticesSAIB NM-15-03Flight ControlsSAIB NM-09-03Engine Fuel and Control - Implementing Fuel Tank System Airworthiness LimitationsSAIB NM-06-57Reports of damage to airplanes and to property on the ground caused by blue or clear ice falling from airplanes.NTSB investigations
No NTSB investigations matched to N791UAMatched by N-number and event date, checked against the reported serial number, make and model. Investigations from before this aircraft carried the mark are under Earlier aircraft. Investigations on Boeing 777-222 aircraft
FAA incident reports
No FAA accident or incident reports matched to N791UAMatched by N-number and event date, checked against the reported make and model. Reports from before this aircraft carried the mark are under Earlier aircraft. Reports on Boeing 777-222 aircraft
Service difficulty reports · 188
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
SDR CALA2025121212053Shutoff Valve · odorWHILE RUNNING RT PACK AND CARGO HEAT IN HIGH AFT CARGO PIT DEVEL OPED SMOKE IN COMPARTMENT. TECH WAS WORKING IN AFT CARGO WHEN SMOKE WAS OBSEVERED. HE NOTED ISSUE WHEN APU BLEED AIR WAS TURNED ON. NOTICED IN FLT DECK THAT CARGO HEAT SWITCHES WHERE BOTH IN HIGSDR CALA2025121212052Sensor · faultedRIGHT PACK OFF FOLLOWED BY ACRID ODOR, THEN EICAS SMOKE. PLACED ON MEL 2151A. REMOVED AND REPLACED LOWER FLOW CONTROL & SHUTOFF VALVE (FCSOV) IAW AMM 21-51-02-400-801. REPLACED RT AIR PACK FLOW SENSOR IAW AMM 21-51-03/401. ALL TESTS PASS, RAN ENGINE AND PACSDR CALA2025121012008Linkage · faultedNO WATER AVAILABLE, NO PRESSURE FOR TOILET. WASTE TANK 3 FULL. ON GROUND NO WATER AVAILABLE IN ACFT. WATER SERVICE CART CONFIRMED WATER TANKS FULL. ALL HANDLES CLOSED-NORMAL POSITION, CYCLED DURING SERVICE. STILL NO WATER, CONFIRMED WATER COMPRESSOR RUNNING
See all 188 reportsSTCs that may be installed · 391
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.