# N204UA: 1999 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: 28713
- Year built: 1999
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: February 1, 1999
- Certificate issued: April 1, 2013
- Expires: April 30, 2029
- Mode S code: A1A2A2
- 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=204UA
- Page: https://openairdocs.org/aircraft/N204UA

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/N204UA/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 N204UA.

## FAA accident and incident reports

None matched to N204UA.

## Service difficulty reports (175, 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 CALA2026051516297](https://openairdocs.org/sdr/CALA2026051516297), May 14, 2026: LIGHT. INOPERATIVE. EMERGENCY LIGHTS - OPERATIONAL TEST WITH THE CONTROL SWITCHES PROCEDURE - EMERGENCY AREA LIGHT ABOVE DOOR 3L INOP. EMERGENCY AREA LIGHT LAMP WAS REPLACED IAW AM
- [SDR CALA2025080607390](https://openairdocs.org/sdr/CALA2025080607390), Aug 5, 2025: BATTERY. FAULTED. EMERGENCY POWER SUPPLY AND BATTERY FOUND MALFUNCTIONED. REPLACED THE EMERGENCY POWER SUPPLY AND BATTERY PACK. PERFORMED THE NEW POWER SUPPLY AND BATTERY PACK TE
- [SDR CALA2025080607389](https://openairdocs.org/sdr/CALA2025080607389), Aug 5, 2025: CHARGER. INOPERATIVE. EMERGENCY POWER SUPPLY AND BATTERY FOUND MALFUNCTIONED. REPLACED THE R4 DOOR EMERGENCY POWER SUPPLY AND BATTERY PACK. PERFORMED THE NEW POWER SUPPLY AND BATTERY
- [SDR CALA2025080407239](https://openairdocs.org/sdr/CALA2025080407239), Aug 1, 2025: BATTERY PACK. NO TEST. L4 DOOR M33407 EMERGENCY POWER SUPPLY BATTERY PACK FOUND MALFUNC TIONED. REPLACED L4 DOOR M33407 EMERGENCY POWER SUPPLY BATTERY PACK AND PERFORMED NEW BATTERY P
- [SDR CALA2025080407238](https://openairdocs.org/sdr/CALA2025080407238), Jul 31, 2025: CHARGER. INOPERATIVE. R2 DOOR M33097 EMERGENCY POWER SUPPLY BATTERY CHARGE FOUND MALFUNCTIONED REPLACED R2 DOOR M33097 EMERGENCY POWER SUPPLY CHARGER IAW AMM 33-51-06-960-803 REV 104
- [SDR CALA2025080407237](https://openairdocs.org/sdr/CALA2025080407237), Jul 31, 2025: BATTERY PACK. MALFUNCTIONED. L1 DOOR M33093 EMERGENCY POWER SUPPLY BATTERY PACK FOUND MALFUNCTIONED. REPLACED L1 DOOR M33093 EMERGENCY POWER SUPPLY BATTERY AND PERFORMED NEW BATTERY PACK TE
- [SDR CALA2025070706244](https://openairdocs.org/sdr/CALA2025070706244), Jul 1, 2025: BATTERY PACK. FAULTED. FOUND MED 4R EPAS GREEN LIGHT NOT BLINKING WHEN IN ARMED POSITION. REF. AMM 52-11-00. RESETTED CB AT P11 H 18. 4L EPAS GREEN FLASHING AND 4R NOT FLASHING. REMOV
- [SDR CALA2024102300900](https://openairdocs.org/sdr/CALA2024102300900), Oct 21, 2024: NONE. SPARKS. PAX 9G DROPPED CELL IN PHONE SPARKED SMOKED PHONE IN CONT BAG ST ABLE DEVICE WAS FOUND IN XL THERMAL CONTAINMENT KIT. SMOKE/ODOUR QUESTIONNAIRE COMPLETED BY CAP
- [SDR CALA2024081600449](https://openairdocs.org/sdr/CALA2024081600449), Aug 13, 2024: BEARING SEAL. LEAKING. DUE TO THE INFLIGHT SHUTDOWN ENGINE #2 WINDMILLING INSPECTION REQUIRED IAW AMM TASK 72-00-00-210-809-N02 ENG2 SN. 222183 (TSI= 3082, CSI 348 CYC). OIL LEAK IN T
- [SDR CALA2024073000316](https://openairdocs.org/sdr/CALA2024073000316), Jul 27, 2024: WARNING MESSAGE. ILLUMINATED. T/O REJECTED AT 70KTS DUE TO CARGO DOOR. MAX BRAKE TEMP 2.9 ACCOMPLISHED HIGH ENERY STOP CONDITIONAL INSPECTION AS PER AMM 05-51-14-210-801. INSPECTED BRAKE ASS
- [SDR CALA2024062500102](https://openairdocs.org/sdr/CALA2024062500102), Jun 25, 2024: WIRE HARNESS. DAMAGED. REJECTED TAKEOFF AT 73 KTS DUE TO DOOR AFT CARGO EICAS. OPTIONAL LARGE AFT CARGO DOOR INDICATION SYSTEM FAULT DETECTED. VERIFIED AFT CARGO WAS CLOSED, LATCHED &
- [SDR CALA2024061701816](https://openairdocs.org/sdr/CALA2024061701816), Jun 14, 2024: WARNING MESSAGE. ILLUMINATED. BLEED OFF ENG R EICAS ADVISORY RIGHT ENGINE BLEED VALVE CLOSED FOR SYSTEM FAULT OR SWITCH OFF, AND THE ENGINE IS NOT SHUTDOWN. FIM TASK REF : FIM TASK REFERENCE
- [SDR CALA2024020800361](https://openairdocs.org/sdr/CALA2024020800361), Feb 7, 2024: BATTERY PACK. DISCHARGED. DOOR L3 EMERGENCY POWER PACK (M33406) CAPACITY CHECK FOUND CAN''T STAYED EMERGENCY LIGHTS ON FOR 15 MINUTES REF HAECO NR NO.947861 2. REPLACED POWER BAT T PACK 
- [SDR CALA2024020800360](https://openairdocs.org/sdr/CALA2024020800360), Feb 7, 2024: BATTERY PACK. DISCHARGED. DOOR L2 EMERGENCY POWER PACK (M33096) CAPACITY CHECK FOUND CAN''T STAYED EMERGENCY LIGHTS ON FOR 15 MINUTES, REPLACED POWER BAT T PACK AT DOOR L2 (M33096) AND P
- [SDR CALA2024020800359](https://openairdocs.org/sdr/CALA2024020800359), Feb 7, 2024: BATTERY PACK. DISCHARGED. DOOR R2 EMERGENCY POWER PACK (M33098) CAPACITY CHECK FOUND CAN''T STAYED EMERGENCY LIGHTS ON FOR 15 MINUTES. REPLACED THE M3309 8 BATT PACK AND TEST FOUND NORMA
- [SDR CALA2024020800358](https://openairdocs.org/sdr/CALA2024020800358), Feb 7, 2024: BATTERY PACK. DISCHARGED. DOOR L3 EMERGENCY POWER PACK (M33400) CAPACITY CHECK FOUND CAN''T STAYED EMERGENCY LIGHTS ON FOR 15 MINUTES. REPLACED DOOR L3 EMERGENCY POWER PACK (M33400) AND 
- [SDR CALA2024020800357](https://openairdocs.org/sdr/CALA2024020800357), Feb 7, 2024: BATTERY PACK. DISCHARGED. DOOR L1 EMERGENCY POWER PACK (M33424) CAPACITY CHECK FOUND CAN''T STAYED EMERGENCY LIGHTS ON FOR 15 MINUTES. REF HAECO NR NO.94786 08. REPLACED DOOR L1 E MERGEN
- [SDR CALA2024020800356](https://openairdocs.org/sdr/CALA2024020800356), Feb 7, 2024: BATTERY PACK. DISCHARGED. DOOR R4 EMERGENCY POWER PACK (M33408) CAPACITY CHECK FOUND CAN''T STAYED EMERGENCY LIGHTS ON FOR 15 MINUTES. REF HAECO NR NO.94786 58. REPLACED THE M3340 8 BATT
- [SDR CALA2024020800355](https://openairdocs.org/sdr/CALA2024020800355), Feb 7, 2024: BATTERY PACK. DISCHARGED. DOOR L2 EMERGENCY POWER PACK (M33099) CAPACITY CHECK FOUND CAN''T STAYED EMERGENCY LIGHTS ON FOR 15 MINUTES. REF HAECO NR NO.94786 10 - SPEC NO.B777-33-3-7019. 
- [SDR CALA2023022000495](https://openairdocs.org/sdr/CALA2023022000495), Feb 20, 2023: TRANSCEIVER. NONE. WXR FAIL LEFT POSITION ONLY. R WORKS 4.0 REPLACED TRANSCIEVER UNIT, COMPLETED WXR TEST OPS NORMAL PARTS USED: 19-3440-9-0001,QTY :1 ROTABLE PARTS CHANGE WAS IND
- [SDR CALA2022110203028](https://openairdocs.org/sdr/CALA2022110203028), Nov 2, 2022: HINGE FITTING. DAMAGED. ACCOMPLISH A PERMANENT REPAIR ON THE HINGE FITTING ASSEMBLY INSTALLED ON THE RH ELEVATOR AT ELEVATOR STA 182 ON OR BEFORE OCTOBER 29, 2024. CARRIED PER ECRA 552
- [SDR CALA2022103103003](https://openairdocs.org/sdr/CALA2022103103003), Oct 30, 2022: FITTING. CRACKED. PENETRATION INSP FOUND CRACKS AT THREE CORNERS ON THE RH ELEVATOR STA 182.29 HINGE. ACCOMPLISHED REPAIR AS PER ECRA 5527-01001. REPAIR ACCOMPLISHED BY HAECO MAI
- [SDR CALA2022102702970](https://openairdocs.org/sdr/CALA2022102702970), Oct 26, 2022: BATTERY PACK. DISCHARGED. EMERGENCY LIGHT BATTERY PACK DEEP CYCLY TEST FOUND DOOR L3 (M334 00) EMERGENCY LT CAN NOT STAY ON FOR 15 MINUTES REFER HAECO NON- ROUTINE NO.9495089 - ORIGINATE
- [SDR CALA2022102702969](https://openairdocs.org/sdr/CALA2022102702969), Oct 26, 2022: BATTERY PACK. DISCHARGED. EMERGENCY LIGHT BATTERY PACK DEEP CYCLE TEST FOUND DOOR L2 (M330 99) EMERGENCY LT CAN NOT STAY ON FOR 15 MINUTES REFER HAECO NON- ROUTINE NO.9495088 - ORIGINATE
- [SDR CALA2022102702968](https://openairdocs.org/sdr/CALA2022102702968), Oct 26, 2022: BATTERY PACK. DISCHARGED. EMERGENCY LIGHT BATTERY PACK DEEP CYCLE TEST FOUND DOOR R3 (M334 01) EMERGENCY LT CAN NOT STAY ON FOR 15 MINUTES REFER HAECO NON- ROUTINE NO.9495091 - ORIGINATE
- [SDR CALA2022102702967](https://openairdocs.org/sdr/CALA2022102702967), Oct 26, 2022: BATTERY PACK. DISCHARGED. EMERGENCY LIGHT BATTERY PACK DEEP CYCLE TEST FOUND DOOR L3 (M334 06) EMERGENCY LT CAN NOT STAY ON FOR 15 MINUTES REFER HAECO NON- ROUTINE NO.9495090 - ORIGINATE
- [SDR CALA2022081602084](https://openairdocs.org/sdr/CALA2022081602084), Aug 16, 2022: PUMP. OVERHEATED. HYD PUMP PRI R EICAS STATUS RIGHT HYDRAULIC PRIMARY PUMP OVERHEAT OR RIGHT PRIMARY PUMP OUTPUT PRESSURE LOW WHEN COMMANDED ON. REPLACED #2 ENGINE DRIVEN HYDRAUL
- [SDR CALA2022071301729](https://openairdocs.org/sdr/CALA2022071301729), Jul 13, 2022: ENGINE. FAILED. LEFT ENGINE LOUD BANG AT 27000FT. ENG FAIL NO N2 THIS IS FOR LEFT ENGINE SN. 222128 (TSI= 11297, CSI= 1351). INSTALLED NEW ENGINE
- [SDR CALA2021071901135](https://openairdocs.org/sdr/CALA2021071901135), Jul 16, 2021: BATTERY PACK. LOW. EMERGENCY LT OPERATIONAL CHECK FOUND R4 EMERGENCY LT BATTERY (M33409) LOW CAPACITY, REF TO HAECO NON-ROUTINE NO.9445981, SPEC NO.B777-33-3-7031. PERFORMED BY EM
- [SDR CALA2021071901134](https://openairdocs.org/sdr/CALA2021071901134), Jul 16, 2021: BATTERY PACK. LOW. EMERGENCY LT OPERATIONAL CHECK FOUND OHAR EMERGENCY LT BATTERY LOW CAPACITY, REF TO HAECO NON-ROUTINE NO. 9445973, SPEC NO.B777 -33-3-7031. PERFORMED BY EMP V90
- [SDR CALA2021071901133](https://openairdocs.org/sdr/CALA2021071901133), Jul 16, 2021: BATTERY PACK. LOW. EMERGENCY LT OPERATIONAL CHECK FOUND L3 EMERGENCY LT BATTERY (M33400) LOW CAPACITY, REF TO HAECO NON-ROUTINE NO.9445971, SPEC NO. B777-33-3-7031. PERFORMED BY E
- [SDR CALA2021071901132](https://openairdocs.org/sdr/CALA2021071901132), Jul 16, 2021: BATTERY PACK. LOW. EMERGENCY LT OPERATIONAL CHECK FOUND L3 EMERGENCY LT BATTERY (M33406) LOW CAPACITY, REF TO HAECO NON-ROUTINE NO.9445968, SPEC NO. B777-33-3-7031. PERFORMED BY E
- [SDR CALA2021071601106](https://openairdocs.org/sdr/CALA2021071601106), Jul 14, 2021: BATTERY. OUT OF LIMITS. EMERGENCY LT OPERATIONAL CHECK FOUND L1 EMERGENCY LT BATTERY (M33093) LOW CAPACITY, REF TO HAECO NON-ROUTINE NO.9445959, SPEC NO. B777-33-3-7031. PERFORMED BY T
- [SDR CALA2021071601105](https://openairdocs.org/sdr/CALA2021071601105), Jul 14, 2021: BATTERY. OUT OF LIMITS. EMERGENCY LT OPERATIONAL CHECK FOUND L2 EMERGENCY LT BATTERY (M33099) LOW CAPACITY, REF TO HAECO NON-ROUTINE NO.9445962, SPEC NO. B777-33-3-7031. PERFORMED BY T
- [SDR CALA2021031500319](https://openairdocs.org/sdr/CALA2021031500319), Mar 15, 2021: BATTERY. INOPERATIVE. R2 DOOR M33098 BATTERY FOUND INOP, REF TO HAECO NON-ROUTINE NO. 9432554, SPEC NO. B777-33-3-7019. REPLACED R2 BATTERY PACK AND DO THE INSTALLATION TEST, THE TES
- [SDR CALA2021031200315](https://openairdocs.org/sdr/CALA2021031200315), Mar 12, 2021: BATTERY PACK. NO TEST. EMERGENCY LIGHT BATTERY PACK DEEP-CYCLE TEST FOUND R4 BATTERY M33408 CAN NOT KEEP LT ON 15 MINUTES,REF HAECO NON-ROUTINE NO.V9427552 ORIGINATED BY EMP V905404 S
- [SDR CALA2018073001733](https://openairdocs.org/sdr/CALA2018073001733), Jul 29, 2018: CHARGER. INOPERATIVE. PACK M33405 BATTERY CHARGER FUNCTION INOP. REPLACED CABIN DOOR 3L AFT PWR PACK M33405 BATTERY CHARGER & C/OUT OPERATIONAL TEST WITH THE TEST SWITCHED FND THE RE
- [SDR CALA2018073001721](https://openairdocs.org/sdr/CALA2018073001721), Jul 27, 2018: SKIN. CHAFED. FUS SKIN AT STA 2108-2150 STR1-3R FND CHAFING. FUS STA2108-STA2150 STR1R-STR3R SKIN REPAIRED AS PER ECRA0710-01 019 REV- AND ECRA 5330-06398 REV-.
- [SDR CALA2018073001720](https://openairdocs.org/sdr/CALA2018073001720), Jul 27, 2018: SKIN. CHAFED. FUS SKIN AT STA 2108-2150 STR1-3L FOUND CHAFING. FUS STA2108-2150 STR1L-STR3L SKIN REPAIRED AS PER ECRA0710-01019 REV- AND ECRA5330-06398 REV-.
- [SDR CALA2018073001714](https://openairdocs.org/sdr/CALA2018073001714), Jul 26, 2018: CHARGER. INOPERATIVE. CAB DOOR 2L FWD PWR PACK M33096 BATTERY CHARGER INOP. THE DOOR 2L FWD PWR PACK M33096 BATTERY CHARGER REPLACED. OP TEST CARRIED OUT FOUND NORMAL REF AMM 33-51-0
- [SDR CALA2018073001712](https://openairdocs.org/sdr/CALA2018073001712), Jul 26, 2018: BATTERY. LOW. DURING EMER LT CAPACITY TEST FOUND DOOR 2L FWD PWR PACK M33096. THE DOOR 2L FWD PWR PACK M33096 BATTERY PACK REPLACED, NEW BATTERY TEST CARRIED OUT FOUND NORMAL
- [SDR CALA2018072301682](https://openairdocs.org/sdr/CALA2018072301682), Jul 21, 2018: BATTERY. DISCHARGED. DURING EMER LT CAPACITY TEST, FOUND DOOR 3R FWD POWER PACK M33404 LOW VOLTAGE. DOOR 3R FWD POWER PACK M33404 BATTERY PACK REPLACED, O/P TEST CARRIED OUT FOUND N
- [SDR CALA2018072301681](https://openairdocs.org/sdr/CALA2018072301681), Jul 21, 2018: BATTERY PACK. DISCHARGED. DURING EMER LT CAPACITY CHECK FOUND DOOR 3L AFT POWER PACK M33045 CANNOT LAST 15 MINUTES (P/N:ADD717-01-100). DOOR 3L AFT POWER PACK M33045 BATTERY PACK REPLACE
- [SDR CALA2018072301680](https://openairdocs.org/sdr/CALA2018072301680), Jul 21, 2018: BATTERY PACK. DISCHARGED. DURING EMER LT CAPACITY TEST FOUND DOOR 4R AFT POWER PACK M33409 LOW VOLTAGE. DOOR 4R AFT POWER PACK M33409 BATTERY PACK REPLACED, O/P TEST CARRIED OUT FOUND NO
- [SDR CALA2018072301679](https://openairdocs.org/sdr/CALA2018072301679), Jul 21, 2018: BATTERY PACK. DISCHARGED. DURING EMER LT CAPACITY TEST FOUND DOOR 2R FWD POWER PACK M33097 LOW VOLTAGE. DOOR 2R FWD POWER PACK M33097 BATTERY PACK REPLACED, O/P TEST CARRIED OUT FOUND NO
- [SDR CALA2018072301677](https://openairdocs.org/sdr/CALA2018072301677), Jul 21, 2018: BATTERY PACK. DISCHARGED. DURING EMER LT CAPACITY TEST FOUND DOOR 3R AFT POWER PACK M33401 LOW VOLTAGE. DOOR 3R AFT POWER PACK M33401 BATTERY PACK REPLACED, O/P TEST CARRIED OUT FOUND NO
- [SDR CALA2018082001815](https://openairdocs.org/sdr/CALA2018082001815), Jul 20, 2018: CHARGER. INOPERATIVE. DURING AN EMERGENCY LIGHT CAPACITY TEST, FOUND THE R2 DOOR AFT POWER PACK M33098 INOPERATIVE. THE POWER PACK BATTERY CHARGER WAS REPLACED, OPS TEST CARRIED OUT,
- [SDR CALA2018072301676](https://openairdocs.org/sdr/CALA2018072301676), Jul 20, 2018: BATTERY PACK. DISCHARGED. DURING EMER LT CAPACITY TEST FOUND 3L FWD POWER PACK M33400 LOW VOLTAGE. THE DOOR 3L FWD POWER PACK M33400 BATTERY PACK REPLACED, O/P TEST CARRIED OUT FOUND NOR
- [SDR CALA2018072301675](https://openairdocs.org/sdr/CALA2018072301675), Jul 20, 2018: CHARGER. INOPERATIVE. DURING EMER LT CAPACITY TEST FOUND DOOR 4L FWD POWER PACK BASE INOP. THE DOOR 4L FWD POWER PACK M33407 CHARGER REPLACED, O/P TEST CARRIED OUT FOUND NORMAL REF A
- [SDR CALA2018072301674](https://openairdocs.org/sdr/CALA2018072301674), Jul 20, 2018: CHARGER. INOPERATIVE. DURING EMER LT CAPACITY TEST FOUND DOOR 2R AFT POWER PACK M33098 INOP. THE DOOR 2R AFT POWER PACK M33098 BATTERY CHARGER REPLACED, O/P TEST CARRIED OUT FOUND NO

All 175: https://openairdocs.org/aircraft/N204UA/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/N204UA/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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