- Registered owner
- United Airlines Inc
- Location
- Chicago, IL
- Owner type
- Corporation
- Serial number
- 26946
- Year built
- 1997
- Type
- Fixed wing multi engine
- Engine
- Turbo-fan
- Airworthiness
- Standard, transport
- Airworthiness date
- October 6, 1997
- Certificate issued
- April 1, 2013
- Expires
- April 30, 2029
- Mode S code
- AAC4ED
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 · 1
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
FAA incident reports
No FAA accident or incident reports matched to N793UAMatched 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 · 184
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
SDR CALA2026060116666Unknown · odorSMOKE ODOR CONDITIONAL INSP REQUIRED PER AMM 05-51-XX DUE TO AN INCIDENT REPORTED BY THE CREW.SMOKE ODOR CONDITIONAL INSP REQUIRED PER AMM TASK 05-51-58-800-801-C3 DUE TO AN INCIDENT REPORTED BY THE CREW. C/W AMM 05-51-58-800-801-C3, CONDITIONAL INSPECTION AFTSDR CALA2026021113700Engine · failedRIGHT ENGINE COMPRESSOR STALL ON APPROACH. IAW AMM 72-00-00, REV 106. ON ARRIVAL FOUND NR 2 ENGINE WITH THE LOW PRESSURE COMPRESSOR EXIT FAIRING COMPLETELY DETACHED AND STUCK ON THE BYPASS GUIDE VAINS. IAW AMM 72-00-00 REV106 ALL FAN BLADES TRAILING EDGE SSDR CALA2025122212311Engine · making metalRIGHT ENG FAILED. OIL PRESSURE ZERO. LOUD BANG & SURGE. DEBRIEFED CREW, ENG WINDMILLED FOR 2.5HRS, SHUTDOWN AFTER A COMPRESSOR STALL AS PRECAUTION DUE TO FLUCTUATING OIL PRESS. BUG SHOWS SERVICE REQUIRED. ENG OIL QTY REMAINED AT 23QTS. LOWER ENG HAD EVIDENCE
See all 184 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.