# N221UA: 2001 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: 30552
- Year built: 2001
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: June 21, 2001
- Certificate issued: June 13, 2019
- Expires: June 30, 2029
- Mode S code: A1E67B
- 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=221UA
- Page: https://openairdocs.org/aircraft/N221UA

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/N221UA/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 N221UA.

## FAA accident and incident reports

None matched to N221UA.

## Service difficulty reports (146, 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 CALA2025051204616](https://openairdocs.org/sdr/CALA2025051204616), May 10, 2025: GUARD. FAULTY. EMER LIGHTS GUARD WHEN CLOSED TURNS LIGHT SWITCH TOGGLE TO OFF POSITION. FOUND SWITCH GUARD NOT PULLING SWITCH FROM OFF TO ARMED WHEN SELECTED DOWN REPLACED SWI
- [SDR CALA2025031402822](https://openairdocs.org/sdr/CALA2025031402822), Mar 14, 2025: HOOK. NO DISCREPANCY. REMOVED ENTRY DOOR 1R GIRT BAR HOOKS REF AMM 53-11-01 TO FOM ASSOC. W/ PARENT LP PLACED GIRT BAR HOOKS IN POSITION, BOTH STILL NEED TO BE TORQUED IAW 52-11-00 A
- [SDR CALA2025022400436](https://openairdocs.org/sdr/CALA2025022400436), Feb 23, 2025: CHARGER. NO TEST. LLAR EMER LIGHT BATTERY CHARGER TEST FAIL 21007. EMER LIGHT BATTERY CHARGER REPLACED AND TESTED NORMAL AS PE R AMM 33-51-06.
- [SDR CALA2025022400435](https://openairdocs.org/sdr/CALA2025022400435), Feb 23, 2025: BATTERY PACK. NO TEST. LLAR EMER LT BATTERY TEST FAIL. EMER LT BATTERY PACK REPLACED AND TEST NORMAL AS PER AMM 33-51-06.
- [SDR CALA2025022400434](https://openairdocs.org/sdr/CALA2025022400434), Feb 23, 2025: BATTERY PACK. NO TEST. DR L2 M33099 EMER LT BATTERY TEST FAIL EMER LIGHT BATTERY PACK REPLACED AND TESTED NORMAL AS PER AMM 33-51-06.
- [SDR CALA2025022400433](https://openairdocs.org/sdr/CALA2025022400433), Feb 23, 2025: CHARGER. FAILED. DR L1 M33093 EMER LIGHT BATTERY CHARGER TEST FAIL EMER LIGHT BATTERY CHARGER REPLACED AND TESTED NORMAL AS PER AMM 33-51-06.
- [SDR CALA2025010601789](https://openairdocs.org/sdr/CALA2025010601789), Jan 3, 2025: PUMP. FAULTED. INFLIGHT SHUTDOWN NO 2 ENGINE OIL PRESSURESNAPSHOT AHM CREW WAS DEBRIEF THIS IS AN UPDATE FROM TURN OVER SHIFT DEBRIEFING THAT THE RIGHT OIL PRESSURE CAUTION IN
- [SDR CALA2024123001700](https://openairdocs.org/sdr/CALA2024123001700), Dec 29, 2024: UNKNOWN. ODOR. ELECTRICAL ODOR REPORTED AT DOOR 3L BELOW 10000 FEET. PED TURNED OFF DEBRIEFED CABIN CREW, SMELLED ELECTRICAL SMELL, THEY TURNED OFF ISPSS SYSTEM REF AMM23-38-0
- [SDR CALA2024090302365](https://openairdocs.org/sdr/CALA2024090302365), Aug 30, 2024: HINGE. MISSING. PDA 2 LEFT WING #3 CANOE FAIRING TRAILING EDGE IS MISSING HINGE AND SEAL. REMOVED AND REPLACED SEAL AND HINGE ASSY REF SRM 51-40-02. CYCLED FLAPS. OPS CHECK GOO
- [SDR CALA2024052901625](https://openairdocs.org/sdr/CALA2024052901625), May 22, 2024: SPRING. MISSING. PDA 2 RIGHT MLG FORWARD LOWER DRAG BRACE MISSING THE FORWARD DOWN LOCK SPRING. SEE PHOTO REQUEST 3232F. MEL 3232F MEL NOT APPLICABLE PHOTO ADDED INBORD SPRING A
- [SDR CALA2024052401579](https://openairdocs.org/sdr/CALA2024052401579), May 22, 2024: UPLOCK. MISSING. PDA 2 RIGHT MLG UPLOCK ASSY FORWARD SPRING MISSING. PIC ADDED. SEE L/P 8042407 FOR NEW LOG.
- [SDR CALA2023112403469](https://openairdocs.org/sdr/CALA2023112403469), Nov 17, 2023: BATTERY PACK. DISCHARGED. FOUND CABIN L1 DOOR AREA M33424 EMERGENCY POWER SUPPLY BATTERY LOW CAPACITY,ORIGINATED BY EMP V903172,REF TO HAECO NON ROUTINE N O.9469110 SPEC NO B777-33-3-701
- [SDR CALA2023112403468](https://openairdocs.org/sdr/CALA2023112403468), Nov 17, 2023: BATTERY PACK. DISCHARGED. FOUND CABIN L2 DOOR AREA M33096 EMERGENCY POWER SUPPLY BATTERY LOW CAPACITY,ORIGINATED BY EMP V903172, REF TO HAECO NON ROUTINE N O.9472883 SPEC NO.B777-33-3-70
- [SDR CALA2023112403467](https://openairdocs.org/sdr/CALA2023112403467), Nov 17, 2023: BATTERY PACK. DISCHARGED. FOUND CABIN R2 DOOR AREA M33098 EMERGENCY POWER SUPPLY BATTERY L OW CAPACITY,ORIGINATED BY EMP V903172,REF TO HAECO NON ROUTINE N O.9469115 SPEC NO.B777-33-3-70
- [SDR CALA2023112403466](https://openairdocs.org/sdr/CALA2023112403466), Nov 17, 2023: BATTERY PACK. DISCHARGED. FOUND CABIN R1 DOOR AREA M33094 EMERGENCY POWER SUPPLY BATTERY LOW CAPACITY,ORIGINATED BY EMP V903172,REF TO HAECO NON ROUTINE N O.9469112 SPEC NO.B777-33-3-701
- [SDR CALA2023112403464](https://openairdocs.org/sdr/CALA2023112403464), Nov 17, 2023: BATTERY PACK. DISCHARGED. FOUND CABIN L1 DOOR AREA M33093 EMERGENCY POWER SUPPLY BATTERY LOW CAPACITY,ORIGINATED BY EMP V903172,REF TO HAECO NON ROUTINE N O.9469111 SPEC NO.B777-33-3-701
- [SDR CALA2023030900670](https://openairdocs.org/sdr/CALA2023030900670), Mar 9, 2023: OVEN. NONE. SMELL PLASTIC MELTING OUT OF FL180.TO BELOW 10 ON FLIHT DECK.DOO R2L/45 P310, P210, AND P110 PANEL IN THE E & E COMPARTMENT AND A VISUAL AREAS AND WENT INSI
- [SDR CALA2022121403380](https://openairdocs.org/sdr/CALA2022121403380), Dec 14, 2022: ANTI-ICE VALVE. WARNING MESSAGE. ANTI ICE ENG R EICAS MESSAGE AFTER START. REPLACED ENGINE 2 ANTI ICE VALVE REF AMM30-21-02 AND ACCOMPLISHED ENGINE IDLE RUN AND TEST OF ANTI ICE REF AMM TASK 30
- [SDR CALA2022022100461](https://openairdocs.org/sdr/CALA2022022100461), Feb 18, 2022: BATTERY. FAILED. B777-33-3-7015 DR 3L M33405 EMER LT BATTERY CAPACITY CHECK FAIL REF HX NR WO 513996, ORIG BY V898181 DR 3L M33405 EMER LT CHARGER AND BATTERY REPLACED AND TESTE
- [SDR CALA2022022100460](https://openairdocs.org/sdr/CALA2022022100460), Feb 18, 2022: BATTERY. FAILED. B777-33-3-7015 DR 3L M33400 EMER LT BATTERY CAPACITY CHECK FAIL REF HX NR WO 515644, ORIG BY V898181 DR 3L M33400 EMER LT BATTERY REPLACED AND TESTED NORMAL AS 
- [SDR CALA2022022100459](https://openairdocs.org/sdr/CALA2022022100459), Feb 18, 2022: BATTERY. FAILED. B777-33-3-7015 DR 3R M33404 EMER LT BATTERY CAPACITY CHECK FAIL REF HX NR WO 515634, ORIG BY V898181 DR 3R M33404 EMER LT BATTERY REPLACED AND TESTED NORMAL AS 
- [SDR CALA2022022100458](https://openairdocs.org/sdr/CALA2022022100458), Feb 18, 2022: BATTERY. FAILED. B777-33-3-7015 DR 3R M33401 EMER LT BATTERY CAPACITY CHECK FAIL REF HX NR WO 515628, ORIG BY V898181 DR 3R M33401 EMER LT BATTERY REPLACED AND TESTED NORMAL AS 
- [SDR CALA2022022100457](https://openairdocs.org/sdr/CALA2022022100457), Feb 18, 2022: BATTERY. FAILED. B777-33-3-7015 DR 2L M33099 EMER LT BATTERY CAPACITY CHECK FAIL REF HX NR WO 515437, ORIG BY V898181 DR 2L M33099 EMER LT BATTERY REPLACED AND TESTED NORMAL AS 
- [SDR CALA2022022100456](https://openairdocs.org/sdr/CALA2022022100456), Feb 18, 2022: BATTERY. FAILED. B777-33-3-7015 DR 3L M33406 EMER LT BATTERY PACK CAPACITY CHECK FAIL REF HX NR WO 515638, ORIG BY V898181 DR 3L M33406 EMER LT BATTERY REPLACED AND TESTED NORMA
- [SDR CALA2022022100455](https://openairdocs.org/sdr/CALA2022022100455), Feb 18, 2022: BATTERY. FAILED. B777-33-3-7025 LLAR EMER LT BATTERY CAPACITY CHECK FAIL REF HX NR WO 513986, ORIG BY V898181 LLAR EMER LIGHT CHARGER AND BATTERY REPLACED AND TESTED NORMAL A S 
- [SDR CALA2018100802076](https://openairdocs.org/sdr/CALA2018100802076), Oct 8, 2018: UNKNOWN. ODOR. PER FLIGHT CREW, AT IDLE DESCENT 13,000 FT. AT 280K AIRSPEED PACKS ON AUTO, HYD 3000PSI, APU AND BLEED OFF, NOTICED POSSIBLE ELECTRICAL SMELL IN COCKPIT NO SMOK
- [SDR CALA2018022100731](https://openairdocs.org/sdr/CALA2018022100731), Feb 20, 2018: SKIN. CHAFED. EXTERNAL SKIN AT BS 2108 - 2150, STRINGERS 1 - 3L CHAFED. THE SKIN WAS REPAIRED IAW SRM 53-70-01, REPAIR 2, AND ECRA 5330-06322.
- [SDR CALA2018022100730](https://openairdocs.org/sdr/CALA2018022100730), Feb 20, 2018: SKIN. CHAFED. EXTERNAL SKIN AT BS 2108 - 2150, STRINGERS 1 - 3R, FOUND CHAFED. THE SKIN WAS REPAIRED IAW SRM 53-70-01, REPAIR 2, AND ECRA 5330-06322.
- [SDR CALA2018021000588](https://openairdocs.org/sdr/CALA2018021000588), Feb 10, 2018: LIGHT. BROKEN. SPEC NO.B777-33-3-6019 M/D ZONE A & B PARTITION AREA 4EA LWR EMER LIGHTS FOUND BROKEN. REPLACED THE CABIN ZONE A & B PARTITION AREA 4EA LWR EMERGENCY LT ASS
- [SDR CALA2018021100590](https://openairdocs.org/sdr/CALA2018021100590), Feb 10, 2018: SIGN. BROKEN. M/D R3 DOOR FWD 1EA EXIT INDENT'S BASE FOUND BROKEN. REPLACED THE CABIN R3 DOOR FWD 1EA EXIT SIGN AND OP TEST CARRIED OUT, FOUND NORMAL AS PER AMM 33-51-01-960-
- [SDR CALA2018021000587](https://openairdocs.org/sdr/CALA2018021000587), Feb 10, 2018: LIGHT. BROKEN. MAIN DECK A4 GALLEY CENTER LOWER EMERGENCY LIGHT FOUND BROKEN. REPLACED THE EMERGENCY LIGHT ASSY, OP TESTED NORMAL IAW AMM 33-51-05-960-802, REV 81.
- [SDR CALA2018021000586](https://openairdocs.org/sdr/CALA2018021000586), Feb 10, 2018: LIGHT. BROKEN. MAIN DECK DOOR CENTER PARTITION HAD ONE LOWER EMERGENCY LIGHT WAS FOUND BROKEN. REPLACED THE EMERGENCY LIGHT ASSY AND OP TESTED NORMAL IAW AMM 33-51-05-9 60-802
- [SDR CALA2018021000585](https://openairdocs.org/sdr/CALA2018021000585), Feb 10, 2018: LIGHT. BROKEN. MAIN DECK M1 GALLEY, ONE LOWER EMERGENCY LIGHT FOUND BROKEN. REPLACED THE EMERGENCY LIGHT ASSY AND OP TESTED NORMAL IAW AMM 33-51-05-960-802, REV 81.
- [SDR CALA2018010700086](https://openairdocs.org/sdr/CALA2018010700086), Jan 7, 2018: COVER. LOOSE. L1 DOOR EMERGENCY LIGHT COVER FALLING DOWN. REPLACED LIGHT ASSY.
- [SDR CALA2017091803218](https://openairdocs.org/sdr/CALA2017091803218), Sep 18, 2017: UNKNOWN. ODOR. BURNING RUBBER ODOR IN THE AFT CABIN. INSPECTIONS HAVE BEEN ACCOMPLISHED IAW AMM 05-51 -58. NO FURTHER ODOR COULD BE FOUND. CAPTAIN AND FLIGHT ATTENDANTS REPORT
- [SDR CALA2016080995608](https://openairdocs.org/sdr/CALA2016080995608), Aug 8, 2016: LIGHT. INOPERATIVE. EMERGENCY LIGHTS AT MID GALLEY LIGHTS BROKEN. LIGHTS LOCATED AT DIVIDERS AT L2 AND R2 DOORS. REPLACED LIGHTS IAW MM 33-51-05-201 OPS CHECKED OK.
- [SDR CALA2015013093041](https://openairdocs.org/sdr/CALA2015013093041), Jan 29, 2015: UNKNOWN. MALFUNCTIONED. APU DID NOT START AT ALTITUDE, START OK ON GND. COMPLETED FIM 49-43 TASK 805 STEPS C 5 - C 7 D 1 & 2. ACTION PRECAUTION CHANGED PRSOV, PRESS CONTROLLER & PRESS 
- [SDR CALA2014060591205](https://openairdocs.org/sdr/CALA2014060591205), Jun 2, 2014: CONTROL VALVE. FAULTY. BOTH ENG AUTO STARTS FAILED. N2 NOT ABOVE 12 AUTO SHUTDOWN PROG TEXT. FOUND LT PACK UPPER FCV NOT SHUTTING OFF DURING ENG START, WITH LT PACK UPPER FCV DEACTIVA
- [SDR CALA2014060291174](https://openairdocs.org/sdr/CALA2014060291174), Jun 2, 2014: CONTROL VALVE. FAULTY. BOTH ENG AUTO STARTS FAILED. NR 2 NOT ABOVE 12 AUTO SHUTDOWN. FOUND LT PACK UPPER FCV NOT SHUTTING OFF DURING ENG START, WITH LT PACK UPPER FCV DEACTIVATED IAW 
- [SDR CALA2013110192553](https://openairdocs.org/sdr/CALA2013110192553), Nov 1, 2013: RADOME. DELAMINATED. NOSE RADOME REMOVED DUE TO DELAMINATION. EXCESSIVE MOISTURE UNDER RADOME. STARTED INSTALLING RADOME IAW MM 53-12-01. BOTTOM HINGE ARM REQUIRES TWO WASHERS ONLY 
- [SDR CALA2013101692096](https://openairdocs.org/sdr/CALA2013101692096), Oct 15, 2013: BEARING. SEIZED. RT RAM INLET DOOR FWD TORQUE TUBE IS FROZEN. DISCONNECTED INLET DOOR FWD ARM ASSEMBLY & ACTUATOR FROM THE TORQUE TUBE. REPLACED OTBD END CAP BEARING ASSEMBLY ON
- [SDR CALA2013101592088](https://openairdocs.org/sdr/CALA2013101592088), Oct 15, 2013: PRESSURE SWITCH. DAMAGED. NR 1 ENG FUEL PUMP FILTER DIFFERENTIAL PRESS SWITCH THREADS STRIPPED. REPLACED NR 1 ENG FUEL PUMP DIFFERENTIAL PRESS SWITCH.
- [SDR CALA2013100391719](https://openairdocs.org/sdr/CALA2013100391719), Sep 30, 2013: AUDIO PANEL. FAULTY. CAPTAIN`S AUDIO PANEL HAS VOLUME SPIKES ON VHF L WHEN VOLUME IS ADJUSTED. REPLACED CAPTAIN`S ACP IAW AMM.
- [SDR CALA2013093091552](https://openairdocs.org/sdr/CALA2013093091552), Sep 28, 2013: WIRE. CHAFED. ELECTRICAL GENERATOR OFF LT GENERATOR CONTROL BREAKER OPEN OR GENERATOR CONTROL SWITCH OFF & ENGINE NOT SHUT DOWN. MSG24-31661 WAS SHOWN. FLIGHT CREW DID NOT DI
- [SDR CALA2013090490949](https://openairdocs.org/sdr/CALA2013090490949), Sep 2, 2013: SHUTOFF VALVE. MALFUNCTIONED. TEST SHOWED MAINTENANCE MESSAGE 75-40732 TURB VANE COOLING AIR VALVE SOL. THIS ITEM NEEDS TO BE CLEARED TOGETHER WITH DF856. REPLACED NACELLE ZONE SHUT-OFF VALV
- [SDR CALA2013090490948](https://openairdocs.org/sdr/CALA2013090490948), Sep 2, 2013: UNKNOWN. MALFUNCTIONED. RT ENGINE ELECTRONIC ENGINE CONTROL C1 STATUS MESSAGE. REPLACED FAN HARNESS IAW AMM. FAN HARNESS W0624, NO HELP. CHECKED RESISTANCE AT PIN 3 & 4 OF M75005 TVBC 
- [SDR CALA2013090290926](https://openairdocs.org/sdr/CALA2013090290926), Aug 30, 2013: WIRE HARNESS. DEFECTIVE. ELECTRONIC ENGINE CONTROL C1 RT ENGINE CONTROL IS IN A TIME LIMITED DISPATCH CONDITION. ENGINE CONTROL SYSTEM IS OPERATING WITH REDUCED REDUNDANCY. STATUS MSG-7
- [SDR CALA2013082390693](https://openairdocs.org/sdr/CALA2013082390693), Aug 22, 2013: GUIDE VANE. DAMAGED. GUIDE VANE AT 12 O'CLOCK POS BOTTOM FILLE, TOP ROW, FWD FASTENER HOLE. NUT PLATE STRIP BROKEN. SPEED TAPE HAS BEEN APPLIED AS AN INTERIM REPAIR IAW EC7233-01321
- [SDR CALA2013081390406](https://openairdocs.org/sdr/CALA2013081390406), Aug 11, 2013: COUPLER. FAULTY. HF RADIO - TRANSMISSION PROBLEM. LT HF INTERMITTENT TRANSMIT ON VARIOUS SELECTED FREQENCIES CANNOT HEAR SIDE TONE. REPLACED LT HF COUPLER AND VOICE CALL FROM LT
- [SDR CALA2013081290351](https://openairdocs.org/sdr/CALA2013081290351), Aug 11, 2013: NUT PLATE. WRONG PART. VERTICAL STAB BOX PANEL 322FL HAS 3 NUTPLATES MISSING AND 1 INSTALLED USING WRONG SIZE NUTPLATE CAUSING SCREW TO PROTRUDE FROM PANEL. LOCATIONS MARKED WITH TAPE

All 146: https://openairdocs.org/aircraft/N221UA/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/N221UA/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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