# N791UA: 1997 Boeing 777-222

- Status: Valid registration
- Airframe: [Boeing 777-222](https://openairdocs.org/model/boeing-777-222) (registry code 1385219, 400 seats)
- Engine: [Pratt & Whitney PW4000 series](https://openairdocs.org/engine/pratt-whitney-pw4000-series) (registry code 52119)
- Data sheets: [TCDS T00001SE](https://openairdocs.org/tcds/T00001SE) (The Boeing Company) (OpenAirDocs)
- Serial number: 26933
- Year built: 1997
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: August 28, 1997
- Certificate issued: April 1, 2013
- Expires: April 30, 2029
- Mode S code: AABD7F
- Registered owner: [United Airlines Inc](https://openairdocs.org/faa-owner/UNITED%20AIRLINES%20INC)
- Location: [Chicago, IL](https://openairdocs.org/faa-place/IL/Chicago)
- Owner type: Corporation
- Owner's area on the map: 41.8813° N, 87.6375° W: Placed by OpenAirDocs at the center of ZIP code 60606, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=791UA
- Page: https://openairdocs.org/aircraft/N791UA

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. The registry lists only the engine series, so ADs for every Pratt & Whitney PW4000 model are included.

## ADs that may apply (OpenAirDocs): 202 in force

### Matched by airframe (Boeing 777-222)

- [AD 2026-19-04](https://openairdocs.org/ad/2026-19-04): Hydraulic Power · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective Nov 2, 2026
- [AD 2026-15-02](https://openairdocs.org/ad/2026-15-02): Fuel · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective Sep 1, 2026
- [AD 2026-13-10](https://openairdocs.org/ad/2026-13-10): Navigation · Boeing 747-8 Series, 747-8F Series, 777-200 Series and 4 more. Effective Jul 1, 2026
- [AD 2026-13-02](https://openairdocs.org/ad/2026-13-02): Navigation · Airbus Canada Limited Partnership 18, 49-46, 80-A and 555 more. Effective Jul 1, 2026
- [AD 2025-21-02](https://openairdocs.org/ad/2025-21-02): Flight controls · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective Jan 2, 2026
- [AD 2025-15-09](https://openairdocs.org/ad/2025-15-09): Equipment/furnishings · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective Aug 21, 2025
- [AD 2025-05-10](https://openairdocs.org/ad/2025-05-10): Flight Controls, Fuel, Landing Gear, Doors, Fuselage, Nacelles/Pylons, Stabilizers, Wings · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective May 13, 2025
- [AD 2025-06-12](https://openairdocs.org/ad/2025-06-12): Auto flight · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective May 2, 2025
- [AD 2025-06-02](https://openairdocs.org/ad/2025-06-02): Wings · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective Apr 23, 2025
- [AD 2025-02-07](https://openairdocs.org/ad/2025-02-07): Navigation · Modification of Rockwell Collins, Inc. Multi-Mode Receiver (STC ST01883WI or 4 others). Effective Mar 17, 2025
- [AD 2024-16-09](https://openairdocs.org/ad/2024-16-09): Fuselage · Boeing 777-200 Series, 777-200LR Series, 777-300ER Series and 2 more. Effective Nov 12, 2024
- [AD 2024-15-07](https://openairdocs.org/ad/2024-15-07): Fuel · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective Oct 15, 2024
- [AD 2024-04-09](https://openairdocs.org/ad/2024-04-09): Instruments · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective Apr 23, 2024
- [AD 2024-01-07](https://openairdocs.org/ad/2024-01-07): Flight controls · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective Mar 7, 2024
- [AD 2023-21-09](https://openairdocs.org/ad/2023-21-09): Flight controls · Boeing 777-200LR Series, 777-200 Series, 777-300 Series and 2 more. Effective Dec 18, 2023
- [AD 2023-17-14](https://openairdocs.org/ad/2023-17-14): Wings · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective Sep 15, 2023
- [AD 2023-08-05](https://openairdocs.org/ad/2023-08-05): Fuselage · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective Jun 30, 2023
- [AD 2023-12-05](https://openairdocs.org/ad/2023-12-05): Navigation · Boeing 747-8F Series, 747-8 Series, 777-200 Series and 4 more. Effective Jun 21, 2023
- [AD 2023-10-02](https://openairdocs.org/ad/2023-10-02): Indicating/Recording System, Navigation · Boeing 18, 23, 35 and 1,060 more. Effective May 26, 2023
- [AD 2023-03-04](https://openairdocs.org/ad/2023-03-04): Wings · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective Apr 4, 2023
- [AD 2022-23-11](https://openairdocs.org/ad/2022-23-11): Fuel · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective Jan 4, 2023
- [AD 2022-14-05](https://openairdocs.org/ad/2022-14-05): Flight Controls · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective Oct 12, 2022
- [AD 2022-13-18](https://openairdocs.org/ad/2022-13-18): Oxygen · Boeing 737-700 Series, 737-800 Series, 747-8 Series and 3 more. Effective Sep 15, 2022
- [AD 2022-11-05](https://openairdocs.org/ad/2022-11-05): Wings · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective Jul 20, 2022
- [AD 2022-06-07](https://openairdocs.org/ad/2022-06-07): Fuselage · Boeing 777-200 Series and 777-300 Series. Effective May 31, 2022
- [AD 2022-06-11](https://openairdocs.org/ad/2022-06-11): Nacelles/pylons · Boeing 777-200 Series and 777-300 Series. Effective Apr 15, 2022
- [AD 2022-06-10](https://openairdocs.org/ad/2022-06-10): Powerplant · Boeing 777-200 Series and 777-300 Series. Effective Apr 15, 2022
- [AD 2021-24-12](https://openairdocs.org/ad/2021-24-12): Fuel, Inert Gas System · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective Feb 1, 2022
- [AD 2021-19-15](https://openairdocs.org/ad/2021-19-15): Equipment/furnishings · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 1 more. Effective Jan 19, 2022
- [AD 2021-18-09](https://openairdocs.org/ad/2021-18-09): Fuselage · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective Oct 22, 2021
- [AD 2021-13-10](https://openairdocs.org/ad/2021-13-10): Wings · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective Aug 19, 2021
- [AD 2020-22-10](https://openairdocs.org/ad/2020-22-10): Equipment/furnishings · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 1 more. Effective Jan 14, 2021
- [AD 2020-18-12](https://openairdocs.org/ad/2020-18-12): Fuel · Boeing 777-200 Series, 777-200LR Series and 777-300 Series. Effective Oct 26, 2020
- [AD 2020-11-11](https://openairdocs.org/ad/2020-11-11): Fuel · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective Jun 18, 2020
- [AD 2020-05-24](https://openairdocs.org/ad/2020-05-24): Engine exhaust · Boeing 777-200 Series. Effective Apr 24, 2020
- [AD 2020-04-19](https://openairdocs.org/ad/2020-04-19): Auto flight · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective Apr 21, 2020
- [AD 2019-25-12](https://openairdocs.org/ad/2019-25-12): Oxygen · Boeing 777-200 Series and 777-300ER Series. Effective Jan 21, 2020
- [AD 2019-19-10](https://openairdocs.org/ad/2019-19-10): Fuel · Boeing 737-300 Series, 737-400 Series, 737-500 Series and 21 more. Effective Jan 16, 2020
- [AD 2019-16-13](https://openairdocs.org/ad/2019-16-13): Fuel · Boeing 777-200 Series and 777-300 Series. Effective Nov 14, 2019
- [AD 2019-11-02](https://openairdocs.org/ad/2019-11-02): Fuselage · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective Jul 5, 2019
- [AD 2018-26-05](https://openairdocs.org/ad/2018-26-05): Fuel · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 1 more. Effective Feb 1, 2019
- [AD 2018-25-11](https://openairdocs.org/ad/2018-25-11): Engine exhaust · Boeing 777-200 Series and 777-300 Series. Effective Jan 18, 2019
- [AD 2018-23-12](https://openairdocs.org/ad/2018-23-12): Equipment/furnishings · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 180 more. Effective Dec 28, 2018
- [AD 2018-02-20](https://openairdocs.org/ad/2018-02-20): Fuselage · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 1 more. Effective Mar 16, 2018
- [AD 2017-11-14](https://openairdocs.org/ad/2017-11-14): Wings · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective Jul 11, 2017
- [AD 2017-05-07](https://openairdocs.org/ad/2017-05-07): Engine Exhaust · Boeing 777-200 Series and 777-300 Series. Effective Apr 7, 2017
- [AD 2016-23-02](https://openairdocs.org/ad/2016-23-02): Nacelles/pylons · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective Dec 30, 2016
- [AD 2016-21-05](https://openairdocs.org/ad/2016-21-05): Fuel Boost Pump · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 1 more. Effective Dec 19, 2016
- [AD 2016-17-10](https://openairdocs.org/ad/2016-17-10): Landing gear · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective Sep 30, 2016
- [AD 2016-11-16](https://openairdocs.org/ad/2016-11-16): Engine exhaust · Boeing 777-200 Series and 777-300 Series. Effective Jul 22, 2016

### Matched by engine (Pratt & Whitney PW4000 series)

None in force.

### Historical (superseded or no longer in force)

- [AD 2024-19-14](https://openairdocs.org/ad/2024-19-14) (historical): Fuel · Boeing 777-200 Series, 777-200LR Series, 777-300ER Series and 1 more. Effective Oct 17, 2024
- [AD 2024-15-03](https://openairdocs.org/ad/2024-15-03) (historical): Equipment/Furnishings · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective Oct 15, 2024
- [AD 2022-18-11](https://openairdocs.org/ad/2022-18-11) (historical): Wings · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective Oct 31, 2022
- [AD 2022-15-06](https://openairdocs.org/ad/2022-15-06) (historical): Flight controls · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective Aug 18, 2022
- [AD 2022-03-05](https://openairdocs.org/ad/2022-03-05) (historical): Navigation · Boeing 747-8F Series, 747-8 Series, 777-200 Series and 4 more. Effective Jan 27, 2022
- [AD 2020-03-20](https://openairdocs.org/ad/2020-03-20) (historical): Navigation · Modification of Rockwell Collins, Inc. Multi-Mode Receiver (STC ST01883WI or 4 others). Effective Feb 18, 2020
- [AD 2019-16-05](https://openairdocs.org/ad/2019-16-05) (historical): Equipment/ Furnishings · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective Oct 8, 2019
- [AD 2019-01-08](https://openairdocs.org/ad/2019-01-08) (historical): Equipment/furnishings · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 1 more. Effective Mar 22, 2019
- [AD 2018-14-02](https://openairdocs.org/ad/2018-14-02) (historical): Equipment/furnishings · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 1 more. Effective Aug 13, 2018
- [AD 2017-16-10](https://openairdocs.org/ad/2017-16-10) (historical): Fuselage and Wings · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective Sep 25, 2017
- [AD 2017-15-01](https://openairdocs.org/ad/2017-15-01) (historical): Auto flight · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective Aug 25, 2017
- [AD 2016-18-02](https://openairdocs.org/ad/2016-18-02) (historical): Oxygen · Boeing 777-200 Series and 777-300ER Series. Effective Sep 15, 2016
- [AD 2016-09-01](https://openairdocs.org/ad/2016-09-01) (historical): Fuselage · Boeing 777-200 Series and 777-300 Series. Effective Jun 6, 2016
- [AD 2015-12-03](https://openairdocs.org/ad/2015-12-03) (historical): Flight Controls · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 1 more. Effective Jul 21, 2015
- [AD 2014-20-11](https://openairdocs.org/ad/2014-20-11) (historical): Equipment/Furnishings · Airbus A330-201, A330-202, A330-203 and 42 more. Effective Oct 22, 2014
- [AD 2013-18-09](https://openairdocs.org/ad/2013-18-09) (historical): Communications · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 137 more. Effective Oct 3, 2013
- [AD 2013-11-14](https://openairdocs.org/ad/2013-11-14) (historical): Nacelles/pylons · Boeing 777-200 Series and 777-300 Series. Effective Jul 19, 2013
- [AD 2012-26-15](https://openairdocs.org/ad/2012-26-15) (historical): Navigation · Agusta AW139, A318-111, A318-112 and 71 more. Effective Jan 24, 2013
- [AD 2012-12-08](https://openairdocs.org/ad/2012-12-08) (historical): Main landing gear · Boeing 777-200 Series and 777-300 Series. Effective Jul 30, 2012
- [AD 2012-07-06](https://openairdocs.org/ad/2012-07-06) (historical): Flight Controls, Fuel, Landing Gear, Doors, Fuselage, Nacelles/Pylons, Stabilizers, Wings · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective May 15, 2012
- [AD 2011-26-03](https://openairdocs.org/ad/2011-26-03) (historical): Wings · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 1 more. Effective Jan 3, 2012
- [AD 2011-09-11](https://openairdocs.org/ad/2011-09-11) (historical): Nacelles/Pylons · Boeing 777-200 Series and 777-300 Series. Effective Jun 6, 2011
- [AD 2011-07-05](https://openairdocs.org/ad/2011-07-05) (historical): Equipment/Furnishings · Airbus A330-201, A330-202, A330-203 and 51 more. Effective May 6, 2011
- [AD 2010-26-01](https://openairdocs.org/ad/2010-26-01) (historical): Exhaust · Boeing 777-200 Series. Effective Jan 20, 2011
- [AD 2010-24-12](https://openairdocs.org/ad/2010-24-12) (historical): Wings · Boeing 777-200 Series, 777-300 Series and 777-300ER Series. Effective Jan 20, 2011
- [AD 2009-24-08](https://openairdocs.org/ad/2009-24-08) (historical): Fuselage · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 1 more. Effective Jan 4, 2010
- [AD 2009-21-10](https://openairdocs.org/ad/2009-21-10) (historical): Oxygen · Airbus A300, Model B4-605R, A300, Model B4-620, A300, Model B4-622 and 138 more. Effective Dec 17, 2009
- [AD 2008-19-04](https://openairdocs.org/ad/2008-19-04) (historical): Fuel circulation procedures · Boeing 777-200 Series and 777-300 Series. Effective Sep 29, 2008
- [AD 2007-26-05](https://openairdocs.org/ad/2007-26-05) (historical): Detect and correct a cracked actuator fitting · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 1 more. Effective Jan 22, 2008
- [AD 2007-17-12](https://openairdocs.org/ad/2007-17-12) (historical): Drive mechanism of the horizontal stabilizer · Boeing 777-200 Series, 777-200LR, 777-300 Series and 1 more. Effective Oct 2, 2007
- [AD 2007-13-05](https://openairdocs.org/ad/2007-13-05) (historical): Right and left elevators · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 1 more. Effective Jul 25, 2007
- [AD 2007-07-05](https://openairdocs.org/ad/2007-07-05) (historical): Left and right air supply and cabin pressure controllers (ASCPCs) · Boeing 777-200 Series, 777-200LR, 777-300 Series and 1 more. Effective Apr 18, 2007
- [AD 2006-26-06](https://openairdocs.org/ad/2006-26-06) (historical): Outer V-blades of the thrust reverser · Boeing 777-200 Series and 777-300 Series. Effective Jan 11, 2007
- [AD 2006-19-12](https://openairdocs.org/ad/2006-19-12) (historical): Engine struts investigation · Boeing 777-200 Series and 777-300 Series. Effective Oct 30, 2006
- [AD 2006-20-51](https://openairdocs.org/ad/2006-20-51) (historical): Airplane Flight Manual to prohibit takeoffs at less than full-rated thrust · Boeing 777-200 Series and 777-200LR. Effective Oct 16, 2006
- [AD 2005-10-03](https://openairdocs.org/ad/2005-10-03) (historical): Air data inertial reference unit (ADIRU) · Boeing 777-200 Series and 777-300 Series. Effective Jun 15, 2005
- [AD 2000-19-08](https://openairdocs.org/ad/2000-19-08) (historical): Outboard Leading Edge Slats · Boeing 777-200 Series, 777-200LR Series, 777-300 Series and 2 more. Effective Oct 10, 2000
- [AD 99-25-13 C1](https://openairdocs.org/ad/99-25-13-C1) (historical): Limitations Section - AFM - Backup Generator Having Sheared Shaft · Boeing 777-200 Series and 777-300 Series. Effective Dec 23, 1999
- [AD 99-25-13](https://openairdocs.org/ad/99-25-13) (historical): Limitations Section - Airplane Flight Manual - Backup Generator · Boeing 777-200 Series and 777-300 Series. Effective Dec 23, 1999
- [AD 96-20-01](https://openairdocs.org/ad/96-20-01) (historical): Fire Extinguishing Switch Modules · Boeing 777-200 Series. Effective Oct 25, 1996

All 242: https://openairdocs.org/aircraft/N791UA/ads.md

## Information bulletins (advisory) (10 in force)

- [SAIB AIR-22-09R1](https://openairdocs.org/saib/AIR-22-09R1): AUTOPILOT FLIGHT DIRECTOR SYSTEM: ALT HOLD Engaged on Takeoff on Boeing Model 777/787 common fleets.. Issued May 17, 2022
- [SAIB AIR-20-19](https://openairdocs.org/saib/AIR-20-19): Flight Management Computing Software System. Issued Nov 16, 2020
- [SAIB NM-20-11](https://openairdocs.org/saib/NM-20-11): Autopilot System. Issued Jun 11, 2020
- [SAIB NM-20-07](https://openairdocs.org/saib/NM-20-07): Navigation - Glideslope System. Issued Apr 16, 2020
- [SAIB NE-19-03](https://openairdocs.org/saib/NE-19-03): Escape Slide Maintenance Tasks and Intervals - JASC 2565. Issued Feb 19, 2019
- [SAIB NM-17-15](https://openairdocs.org/saib/NM-17-15): Equipment/Furnishings - Inflatable Airbag Assembly. Issued Jun 6, 2017
- [SAIB NM-17-10](https://openairdocs.org/saib/NM-17-10): Maintenance Practices. Issued Apr 13, 2017
- [SAIB NM-15-03](https://openairdocs.org/saib/NM-15-03): Flight Controls. Issued Nov 24, 2014
- [SAIB NM-09-03](https://openairdocs.org/saib/NM-09-03): Engine Fuel and Control - Implementing Fuel Tank System Airworthiness Limitations. Issued Dec 11, 2008
- [SAIB NM-06-57](https://openairdocs.org/saib/NM-06-57): Reports of damage to airplanes and to property on the ground caused by blue or clear ice falling from airplanes.. Issued Jul 27, 2006
- [SAIB AIR-22-09](https://openairdocs.org/saib/AIR-22-09) (historical): AUTOPILOT FLIGHT DIRECTOR SYSTEM: ALT HOLD Engaged on Takeoff on Boeing Model 777/787 common fleets.. Issued Apr 12, 2022

## NTSB investigations

None matched to N791UA.

## FAA accident and incident reports

None matched to N791UA.

## Service difficulty reports (188, newest 50)

As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR CALA2025121212053](https://openairdocs.org/sdr/CALA2025121212053), Dec 11, 2025: SHUTOFF VALVE. ODOR. WHILE 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 ISS
- [SDR CALA2025121212052](https://openairdocs.org/sdr/CALA2025121212052), Dec 10, 2025: SENSOR. FAULTED. RIGHT PACK OFF FOLLOWED BY ACRID ODOR, THEN EICAS SMOKE. PLACED ON MEL 2151A. REMOVED AND REPLACED LOWER FLOW CONTROL & SHUTOFF VALVE (FCSOV) IAW AMM 21-51-02-4
- [SDR CALA2025121012008](https://openairdocs.org/sdr/CALA2025121012008), Dec 6, 2025: LINKAGE. FAULTED. NO 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 
- [SDR CALA2025081907915](https://openairdocs.org/sdr/CALA2025081907915), Aug 15, 2025: UNKNOWN. ODOR. CONDITIONAL INSPECTION 05-05-58-800-801-C3 SMOKE/ODOR IN THE FLIGHT DECK/CABIN - MAINTENANCE PRACTICES NEEDS TO BE REFERENCE FOR ANY SMOKE OR ODOR OCCURRENCE. G
- [SDR CALA2025081807862](https://openairdocs.org/sdr/CALA2025081807862), Aug 15, 2025: UNKNOWN. ODOR. FAS REPORT STRONG ODOR AT DOOR 2R FROM 3000 FT TO LANDING, FOUND NO DISCRIPINCES. RAN APU AND PACKS FOR AN HOUR NO ODOR DETECTED.
- [SDR CALA2025051204615](https://openairdocs.org/sdr/CALA2025051204615), May 9, 2025: LAMP. INOPERATIVE. CAPT EMERGENCY DOME LIGHT INOP RELAMPED CAPT EMERGENCY DOME LIGHT, REF AMM 33-51-07-960-801. OPS CHECK GOOD.PARTS USED: 19-2514-3-0001, QTY :1
- [SDR CALA2025042204134](https://openairdocs.org/sdr/CALA2025042204134), Apr 18, 2025: PUMP. FAULTED. FUEL DISAGREE EICAS IN CRUISE. NO LEAK SUSPECTED. ENG FUEL TUBE FM11 LEAKING AT FUEL FACE SEAL , HELI COIL DAMAGED WHEN REMOVING BOLT. REMOVED #2 ENG FMU REF AM
- [SDR CALA2025040203456](https://openairdocs.org/sdr/CALA2025040203456), Mar 31, 2025: LINE. LEAKING. WATER LEAKING FROM OVHD DOOR 4R FOUND WATER LINE ABOVE LAV AT 4R DISCONNECTED. SEE PHOTOS. ADD EMP:U412608,U416150 WIGGINS FITTING REPLACED NO LEAKS NOTED. ALL 
- [SDR CALA2024100802601](https://openairdocs.org/sdr/CALA2024100802601), Oct 2, 2024: SPAR. CRACKED. EA5310-07557 REV A OP 003 (AD 2019-11-02) 1EA FASTENER HOLE FOUND CRACKED AT BS1035 LH UNDERWING LONGERON FRONT SPAR CHORD LAYER TRANSFER REF HXWO 3744324 AND O
- [SDR CALA2024100702576](https://openairdocs.org/sdr/CALA2024100702576), Oct 2, 2024: LONGERON. CRACKED. EA5310-07557 REV A OP 003 (AD 2019-11-02) 1EA FASTENER HOLE FOUND CRACK AT BS1035 LH UNDERWING LONGERON RING CHORD LAYER TRANSFER REF HXWO 3744312 LH UNDERWING 
- [SDR CALA2024100702575](https://openairdocs.org/sdr/CALA2024100702575), Sep 29, 2024: STRINGER. CORRODED. B777-06-3-7169 - AFT CARGO COMPT STA1874-1895 S44L STRINGER FOUND CORROSION. AFT CARGO COMPT STRINGER S44L REPAIRED AS PER SRM57-70-03-2R-1 REPAIR 1 JUST BETWEE
- [SDR CALA2024100702580](https://openairdocs.org/sdr/CALA2024100702580), Sep 21, 2024: SKIN. CRACKED. EA5310-07557 REV A OP 003 (AD 2019-11-02) 2EA FASTENER HOLE FOUND CRACK AT FUSELAGE SKIN AS MARKED TRANSFER REF HXWO 3744330. FUSELAGE LH SKIN REPAIRED WITH REP
- [SDR CALA2024100702579](https://openairdocs.org/sdr/CALA2024100702579), Sep 21, 2024: STRINGER. CRACKED. EA5310-06900 REV E OP003 (AD2019-11-02) - 2EA CRACKS FOUND ON LH BS1035 BUILT-UP UNDERWING LONGERON FITTING , ACCOMPLISH EA5310-07557 OP 003 FOR REPLACEMENT TRA
- [SDR CALA2024061701811](https://openairdocs.org/sdr/CALA2024061701811), Jun 16, 2024: FMU. FAULTED. LEFT ENGINE FUEL FLOW WILL NOT SHUT OFF WITH CUTOFF SWITCH OR FIRE HANDLE. RECONNECTED D71024P AT CORE/STRUT AND NOW HAVE 28VDC AT FMU D71124. REQUIRES OPS CHEC
- [SDR CALA2023051101457](https://openairdocs.org/sdr/CALA2023051101457), May 10, 2023: BATTERY PACK. DISCHARGED. DURING BATTERY PACK CAPACITY CHECK FND BATTERY PACK LOW CAPACITY ON M33409 REF HAECO NON-ROUTINE NO.9456145 - ORIGINATED BY EMP V905467, SPEC NO.B777-33-3-7019.
- [SDR CALA2023051201483](https://openairdocs.org/sdr/CALA2023051201483), May 10, 2023: BATTERY PACK. DISCHARGED. DURING BATTERY PACK CAPACITY CHECK FND BATTERY PACK LOW CAPACITY ON M33408 REF HAECO NON-ROUTINE NO.9456145 - ORIGINATED BY EMP V905467, SPEC NO.B777-33-3-7019.
- [SDR CALA2023051201475](https://openairdocs.org/sdr/CALA2023051201475), May 10, 2023: BATTERY PACK. DISCHARGED. DURING BATTERY PACK CAPACITY CHECK FND BATTERY PACK LOW CAPACITY ON M33407 REF HAECO NON-ROUTINE NO.9456145 -. SPEC NO.B777-33-3-7019. REPLACED THE BATTERY PACK
- [SDR CALA2023051201474](https://openairdocs.org/sdr/CALA2023051201474), May 10, 2023: BATTERY PACK. DISCHARGED. DURING BATTERY PACK CAPACITY CHECK FND BATTERY PACK LOW CAPACITY ON M33098 REF HAECO NON-ROUTINE NO.9456145 -. ,SPEC NO.B777-33-3-7019. REPLACED THE BATTERY PAC
- [SDR CALA2023031300734](https://openairdocs.org/sdr/CALA2023031300734), Mar 11, 2023: INLET. NOT REPORTED. THIS IS A SUPPLEMENTAL REPORT FOR THE SAME CONTROL NUMBER SUBMITTED ON 13/03/23. BIRD STRIKE AT 7000 FT RT ENG/PACK/WING. ENG 2 INLET DENT AT 8CL POSITION. REMO
- [SDR CALA2021102601973](https://openairdocs.org/sdr/CALA2021102601973), Oct 22, 2021: SKIN. NONE. AHM: AHM REPORTED{29-1137-S905}*LEFT HYDRAULIC FLUID LEVEL AT OR BELOW SERVICE LIMIT.* REQUEST MAINTENANCE TO PERFORM A HYD RESERVOIR FLUID LEVEL CHECK IAW AMM 
- [SDR CALA2020091801120](https://openairdocs.org/sdr/CALA2020091801120), Sep 16, 2020: BATTERY PACK. DISCHARGED. EMERGENCY BATTERY REPLACED ON ELB AT L-3 LOCATION. NOTED BY MX, LOG OPENED FOR ELB REPORTING, BATT DEAD L3.
- [SDR CALA2020091801119](https://openairdocs.org/sdr/CALA2020091801119), Sep 16, 2020: BATTERY PACK. DISCHARGED. EMERGENCY BATTERY PACK REPLACED AT L2 DOOR LOCATION ON ELB. BATT DEAD, NOTED BY MX, LOG CLEARED FOR SDR REPORTING.
- [SDR CALA2020091801118](https://openairdocs.org/sdr/CALA2020091801118), Sep 16, 2020: BATTERY PACK. DISCHARGED. EMERGENCY LIGHT BATTERY REPLACED AT L-3 ON ELB. NOTED BY MX BATTERY PACK REPLACED THIS LOG OPENED FOR SDR REPORT BATTERY DEAD L-3.
- [SDR CALA2020091501107](https://openairdocs.org/sdr/CALA2020091501107), Sep 14, 2020: BATTERY PACK. DISCHARGED. EMERGENCY LIGHTS OUT AT L1 LOCATION REPLACED 2EA BATTERY PACKS AT L1, REF 777 MM 33-51-06-960-802.
- [SDR CALA2020091501106](https://openairdocs.org/sdr/CALA2020091501106), Sep 14, 2020: BATTERY PACK. DISCHARGED. EMERGENCY LIGHTS OUT AT L4 LOCATION REPLACED 1EA BATTERY PACK AT L4 LOCATION, REF 777 MM 33-51-06-960-802.
- [SDR CALA2020091501105](https://openairdocs.org/sdr/CALA2020091501105), Sep 14, 2020: BATTERY PACK. DISCHARGED. EMERGENCY LIGHTS OUT AT R1 REPLACED ONE EA. BATTERY PACK AT R1 LOCATION, REF 777 MM 33-51-06-960-802.
- [SDR CALA2020091501104](https://openairdocs.org/sdr/CALA2020091501104), Sep 14, 2020: BATTERY PACK. DISCHARGED. EMERGENCY LIGHTS OUT AT L2 LOCATION REPLACED 2EA BATTERY PACKS AT L2 LOCATION, REF 777 MM 33-51-06-960-802.
- [SDR CALA2020091501103](https://openairdocs.org/sdr/CALA2020091501103), Sep 14, 2020: BATTERY PACK. DISCHARGED. EMERGENCY LIGHTS OUT AT L3 LOCATION REPLACED 3EA BATTERY PACKS AT L3 LOCATION, REF 777 MM 33-51-06-960-802.
- [SDR CALA2020021200381](https://openairdocs.org/sdr/CALA2020021200381), Feb 7, 2020: BATTERY. DISCHARGED. FOUND L/H DR NO.3 OVER AISLE 3EA EMER LT INOP. REF NON-ROUTINE N O.9404817 -
- [SDR CALA2020021200380](https://openairdocs.org/sdr/CALA2020021200380), Feb 7, 2020: BATTERY. DISCHARGED. FOUND R/H DR NO.3 OVER AISLE 2EA EMER LT INOP. REF NON-ROUTINE N O.9404814.
- [SDR CALA2020021200379](https://openairdocs.org/sdr/CALA2020021200379), Feb 7, 2020: BATTERY. DISCHARGED. CABIN DR 4R AREA EMER LT STAY ON 2 MINS DURING BATTERY CAPACITY CHK (LIMIT 15 MINS).
- [SDR CALA2020021200378](https://openairdocs.org/sdr/CALA2020021200378), Feb 7, 2020: BATTERY. DISCHARGED. FOUND L/H & R/H DR NO.2 OVERHEAD EMER LT INOP. REF NON-ROUTINE NO.940468
- [SDR CALA2018092401989](https://openairdocs.org/sdr/CALA2018092401989), Sep 22, 2018: CHARGER. INOPERATIVE. C/O EMER LIGHT FOUND BATTERY M33098 CHARGER ASSY INOP AT DR2 RT. REPLACED THE M33098 BATTERY CHARGER ASSY AND C/O EMER LIGHT OPERATION TEST FOUND NORMAL REF AMM
- [SDR CALA2018091901951](https://openairdocs.org/sdr/CALA2018091901951), Sep 16, 2018: BATTERY. DISCHARGED. C/O EMER LIGHT TEST FOUND BATTERY M33404 INOP AT DOOR 3 RT. REPLACED THE BATTERY M33404 AT DR3 RT AND CO EMER LIGHT OP TEST FOUND NORMAL REF AMM 33-51-06-960-80
- [SDR CALA2018091901950](https://openairdocs.org/sdr/CALA2018091901950), Sep 16, 2018: BATTERY. DISCHARGED. EMER LIGHT TEST FOUND BATTERY M33409 INOP AT DOOR 4 RT. REPLACED THE BATTERY M33409 AT DOOR 4 RT AND CO EMER LIGHT OPERATION TEST FOUND NORMAL REF AMM 33-51-06-
- [SDR CALA2018021100598](https://openairdocs.org/sdr/CALA2018021100598), Feb 11, 2018: LIGHT. INOPERATIVE. EXTERIOR EMERGENCY LIGHT AT DOOR 3L INOP. RELAMPED EMERGENCY LIGHT AT DOOR 3L. OPS CHECK GOOD.
- [SDR CALA2017092903343](https://openairdocs.org/sdr/CALA2017092903343), Sep 29, 2017: CIRCUIT CARD. FAILED. FIRE EICAS STATUS LEFT ENGINE. FIRE/OVERHEAT DETECTION CARD FAULT OR FAILURE, OR AIMS LOSS OF ARINC 629/429. REMOVED AND REPLACED LT ENGINE FIRE DETECTION CARD 
- [SDR CALA2017092203283](https://openairdocs.org/sdr/CALA2017092203283), Sep 22, 2017: BATTERY PACK. DEFECTIVE. RIGHT ISLE ROW 9, 10, AND 20, EMRGENCY LIGHTS INOPERATIVE. TROUBLESHOT THE EMERGENCY LIGHTS, AND FOUND M33098 BATTERY PACK DEFECTIVE. REPLACED THE BATTERY PACK 
- [SDR CALA2017071502248](https://openairdocs.org/sdr/CALA2017071502248), Jul 15, 2017: UNKNOWN. ODOR. ELECTRICAL ODOR AT THE L1 DOOR. RAN ALL SYTEMS AROUND THE DOOR, OPS CHECKED GOOD, NO ELECTRICAL ODORS NOTED.
- [SDR CALA2014020390280](https://openairdocs.org/sdr/CALA2014020390280), Jan 31, 2014: UNKNOWN. SMOKE. FLIGHT REPORTED SMOKE IN THE CABIN, DECLARED AN EMERGENCY & ELECTED TO DIVERT TO EWR. AIRCRAFT LANDED APPROXIMATELY 50,000 LBS OVER WEIGHT NO FUEL DUMP.
- [SDR CALA2014011490141](https://openairdocs.org/sdr/CALA2014011490141), Jan 13, 2014: SMOKE DETECTOR. MALFUNCTIONED. IAW JOB CARD 2-3215 TEST 15. SMOKE DETECTOR SYS OPERATIONS TEST FAILED. IAW AMM26-14-03-501. ACCOMPLISHED SMOKE DETECTOR SYS OPERATION TEST 15. IAW 777-222 A CH
- [SDR CALA2013120993534](https://openairdocs.org/sdr/CALA2013120993534), Dec 6, 2013: CLAMP. BROKEN. RT MLG RETRACT ACTUATOR HAS ONE CLAMP BROKEN.
- [SDR CALA2013111292830](https://openairdocs.org/sdr/CALA2013111292830), Nov 11, 2013: CONTROLLER. FAULTY. APU APUC DETECTED FAULT THAT WOULD CAUSE AUTOMATIC SHUTDOWN OF APU IN UNATTENDED MODE OPERATION, OR COMPLETE LOSS OF APUC BUS ACTIVITY BOTH LT & RT 629 FOR 3 SE
- [SDR CALA2013100891865](https://openairdocs.org/sdr/CALA2013100891865), Oct 7, 2013: EEC. UNKNOWN. ENG EEC C1 LT ENGINE CONTROL IS IN A TIME LIMITED DISPATCH CONDITION.
- [SDR CALA2013092691493](https://openairdocs.org/sdr/CALA2013092691493), Sep 25, 2013: SHUTOFF VALVE. FAULTY. TRIM AIR PRSOV LT. DUE TO HISTORY OF TRIM AIR PRSOV LT NOT IN THE COMMANDED POSITION. REPLACED LT TRIM AIR PRSOV, OPERATIONS CHECKED NORMAL.
- [SDR CALA2013092391342](https://openairdocs.org/sdr/CALA2013092391342), Sep 18, 2013: HYDRAULIC LINE. LEAKING. HYD QUANTITY LOW CENTER HYD SYSTEM LOW RESERVOIR QUANTITY. QTY < .40 ADVISORY MSG01- ACTIVE APPROACH HARD; RESERVOIR CENTER FLUID QUANTITY IS LOW. HYDIM CL MSG-
- [SDR CALA2013083090862](https://openairdocs.org/sdr/CALA2013083090862), Aug 28, 2013: PRINTER. FAILED. ELECTRICAL BURNING ODOR COMING FROM CABIN PRINTER. OPENED CIRCUIT BREAKER C13 ON P210 PANEL, ODOR CLEARED. REPLACED CSCP PRINTER.
- [SDR CALA2013082690751](https://openairdocs.org/sdr/CALA2013082690751), Aug 25, 2013: UNKNOWN. MALFUNCTIONED. REF LOG 2, EXCEEDENCE SNAPSHOT SENT BY CREW INDICATES EXHAUST GAS TEMPERATURE WAS 676 FOR 6.2 SECONDS. NEXT STATION REVIEW "ENG EXCD" PAGE IAW JRH 2-2-62 CONFIR
- [SDR UALA2013060703988](https://openairdocs.org/sdr/UALA2013060703988), Jun 7, 2013: SLIDE. UNSECURE. R2 DOOR SLIDE FELL OUT OF CONTAINER- SLIDE WAS PINNED AND DID NOT INFLATE. INSTALLED ESCAPE SLIDE ASSY.
- [SDR UALA2013050103050](https://openairdocs.org/sdr/UALA2013050103050), Apr 30, 2013: SCREW. UNSECURE. RIGHT WING ROOT HAS SCREW STICKING UP. SECURED FASTENER ON RIGHT WING ROOT AREA.

All 188: https://openairdocs.org/aircraft/N791UA/reports.md

## STCs that may be installed (OpenAirDocs) (391, first 50)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Boeing 777-222)

- [STC ST03438NY](https://openairdocs.org/stc/ST03438NY): Installation of Adams Rite Lavatory Equipment. Delta Engineering Corporation
- [STC ST00885LA](https://openairdocs.org/stc/ST00885LA): Installation of fire extinguisher cartridges as replacements for Pacific Scientific fire extinguisher cartridges in fire extinguisher bottles. AMETEK AMERON, LLC d/b/a MASS Systems
- [STC ST04738NY](https://openairdocs.org/stc/ST04738NY): Installation of Dual SpaceX Starlink Aero Terminals. Space Exploration Technologies Corp./Starlink Aviation
- [STC ST04739NY](https://openairdocs.org/stc/ST04739NY): Installation of Dual SpaceX Starlink Aviation System. Space Exploration Technologies Corp./Starlink Aviation
- [STC ST04474NY](https://openairdocs.org/stc/ST04474NY): Activation of Wireless Local Area Network (WLAN) system. Jet Aviation AG
- [STC ST09851DS](https://openairdocs.org/stc/ST09851DS): Panasonic Server and Starlink to IFE & AID Interface Installation. United Airlines
- [STC ST00750DE](https://openairdocs.org/stc/ST00750DE): Installation of an International Communications Group (ICG) Iridium Communication (SATCOM) system. L2 Aviation
- [STC ST01849SE](https://openairdocs.org/stc/ST01849SE): Installation of an interior reconfiguration on Boeing Model 777-200 series airplanes. B/E Aerospace, Inc. - FSI
- [STC ST02073SE](https://openairdocs.org/stc/ST02073SE): Fabrication of a LiteAir window plug assembly. LiteAir Aviation Products Inc
- [STC ST02312AT-D](https://openairdocs.org/stc/ST02312AT-D): Interior Reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST02487AT-D](https://openairdocs.org/stc/ST02487AT-D): Installation of Flight Attendant Rest Seats and Door 3 Centerline Lavatories. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03380AT-D](https://openairdocs.org/stc/ST03380AT-D): Cabin re-configuration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03553AT-D](https://openairdocs.org/stc/ST03553AT-D): Installation of Aircraft Cabin Systems (ACS) 32 inch LCD Monitors. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03661AT-D](https://openairdocs.org/stc/ST03661AT-D): Installation of a Triple Seat in the Center Row 45 of a Boeing 777-200. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03664AT-D](https://openairdocs.org/stc/ST03664AT-D): Installation of a Cell Modem in a Boeing 777-200, for Operation on the Ground Only. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03961AT](https://openairdocs.org/stc/ST03961AT): Installation of TIMCO Aerosystems lavatories and bi-fold doors in the 2A-LC and 2A-RC lavatories. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04144AT](https://openairdocs.org/stc/ST04144AT): Interior Reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04275AT](https://openairdocs.org/stc/ST04275AT): Installation of a HAECO cabin interior reconfiguration kit. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04357AT](https://openairdocs.org/stc/ST04357AT): Cabin Interior Reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST00952LA](https://openairdocs.org/stc/ST00952LA): Installation of Mass Systems fire extinguisher cartridges as replacements for Kidde fire extinguisher cartridges in fire extinguisher bottles. AMETEK AMERON LLC d/b/a MASS Systems
- [STC ST04328NY](https://openairdocs.org/stc/ST04328NY): The Manufacture and Installation of Exterior Placards, Labels and Signs is to be performed, installed. Libellule Monde Inc
- [STC ST12322AC](https://openairdocs.org/stc/ST12322AC): Installation of a Thales Aviator 200S satellite communication system. L2 Aviation
- [STC ST02905NY](https://openairdocs.org/stc/ST02905NY): Installation of a Panasonic Avionics Corporation Global Communications Suite Antenna. Delta Engineering Corporation
- [STC ST03161NY](https://openairdocs.org/stc/ST03161NY): Installation of a Panasonic Avionics Corporation Global Communications Suite (GCS). Delta Engineering Corporation
- [STC ST04266CH](https://openairdocs.org/stc/ST04266CH): Modify the aircraft interior to match standard passanger configurations. Atin OOH LLC
- [STC ST03290NY-D](https://openairdocs.org/stc/ST03290NY-D): Wireless Broadband System Installation. Anuvu IFC Corporation
- [STC ST00892LA](https://openairdocs.org/stc/ST00892LA): Installation of Emergency Vision Assurance System (EVAS). VisionSafe LLC
- [STC ST00030IB](https://openairdocs.org/stc/ST00030IB): Installation of Test Tech ELT. APTOZ EHF
- [STC ST04756NY](https://openairdocs.org/stc/ST04756NY): Installation of Dual Cockpit USB Charger. Eirtech Aviation Services Inc
- [STC ST03885AT](https://openairdocs.org/stc/ST03885AT): Installation of an Avionica, Inc. avCM Cellular Module. Aircraft Systems and Manufacturing Inc
- [STC ST03178NY](https://openairdocs.org/stc/ST03178NY): Installation of a Panasonic In-Flight Entertainment System. Delta Engineering Corporation
- [STC ST11387DS](https://openairdocs.org/stc/ST11387DS): Installation of an Avionica, avWiFi System with Cybersecurity Compliance and Hosted Applications Functionality. Archeion Holdings L.L.C
- [STC ST01253SE](https://openairdocs.org/stc/ST01253SE): Installation of interior kit for a floor mounted stowage unit. Safran Cabin Inc
- [STC ST01976SE](https://openairdocs.org/stc/ST01976SE): Installation of interior components. Safran Cabin Inc
- [STC ST02144LA](https://openairdocs.org/stc/ST02144LA): Modification for a pantry installation. Safran Cabin Inc
- [STC ST02224NY-D](https://openairdocs.org/stc/ST02224NY-D): Installation of a Heath Tecna Cabin Interior. Safran Cabin Inc
- [STC ST02297SE](https://openairdocs.org/stc/ST02297SE): Interior Reconfiguration. Safran Cabin Inc
- [STC ST02630NY](https://openairdocs.org/stc/ST02630NY): Installation of a Heath Tecna Cabin Interior Components. Safran Cabin Inc
- [STC ST09842DS](https://openairdocs.org/stc/ST09842DS): Cabin interior reconfiguration. United Airlines
- [STC ST04566AT](https://openairdocs.org/stc/ST04566AT): Replacement of the AY01-BEA-TSPCU-LRU-01 Touch Screen Power Control Unit (TSPCU) with the AV2232 to control the premium cabin seats position. B/E Aerospace, Inc Aftermarket Services (B/E-AS)
- [STC ST11037SC](https://openairdocs.org/stc/ST11037SC): Satellite communication system upgrade. L2 Aviation
- [STC ST02472AT](https://openairdocs.org/stc/ST02472AT): Installation of a mini Quick Access Recorder (QAR) model MKI, MKII, or MKIII. Aircraft Systems and Manufacturing Inc
- [STC ST02454SE](https://openairdocs.org/stc/ST02454SE): Installation of an interior reconfiguration. B/E Aerospace Inc. - FSI
- [STC ST02463SE](https://openairdocs.org/stc/ST02463SE): Installation of an interior reconfiguration. B/E Aerospace Inc. - FSI
- [STC ST04596CH](https://openairdocs.org/stc/ST04596CH): Installation of Flight Deck Power System. Envoy Aerospace LLC
- [STC ST04620CH](https://openairdocs.org/stc/ST04620CH): Installation of an Interior Reconfiguration. Envoy Aerospace LLC
- [STC ST02668CH](https://openairdocs.org/stc/ST02668CH): Installation of Rosemount Aerospace Electronic Flight Bag (EFB) Systems. Rosemount Aerospace Inc
- [STC ST02311CH](https://openairdocs.org/stc/ST02311CH): Upgrade of existing Mode S transponder installation to enhanced surveillance Mode S. Amphenol Cable and Interconnect Technologies Inc
- [STC ST02835CH](https://openairdocs.org/stc/ST02835CH): Installation of mounting brackets as provisions for future mechanical installation of Electronic Flight Bag Display Units (DUs) and Remote Processing Units (RPUs). Amphenol Cable and Interconnect Technologies Inc
- [STC ST02943AT](https://openairdocs.org/stc/ST02943AT): Installation of a Connexion by Boeing Next Generation Antenna and Satellite Data System. Amphenol Cable and Interconnect Technologies Inc

All 391: https://openairdocs.org/aircraft/N791UA/stcs.md

## Related

- Other Boeing 777-222 aircraft: https://openairdocs.org/model/boeing-777-222/aircraft.md
- The Pratt & Whitney PW4000 series engine: https://openairdocs.org/engine/pratt-whitney-pw4000-series.md

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