# N122UA: 1999 Boeing 747-422

- Status: Valid registration
- Airframe: [Boeing 747-422](https://openairdocs.org/model/boeing-747-422) (registry code 1384935, 495 seats)
- Engine: [Pratt & Whitney PW4000 series](https://openairdocs.org/engine/pratt-whitney-pw4000-series) (registry code 52119)
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE) (The Boeing Company) (OpenAirDocs)
- Serial number: 29168
- Year built: 1999
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: June 10, 1999
- Certificate issued: April 1, 2013
- Expires: April 30, 2029
- Mode S code: A05CE3
- 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=122UA
- Page: https://openairdocs.org/aircraft/N122UA

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): 544 in force

### Matched by airframe (Boeing 747-422)

- [AD 2026-10-14](https://openairdocs.org/ad/2026-10-14): Communications system · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Jul 6, 2026
- [AD 2026-13-14](https://openairdocs.org/ad/2026-13-14): Navigation · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 7 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 2026-08-06](https://openairdocs.org/ad/2026-08-06): Oxygen · Boeing 747-400 Series with STC ST01676SE or ST01706SE. Effective May 7, 2026
- [AD 2025-15-07](https://openairdocs.org/ad/2025-15-07): Equipment/furnishings · Boeing 747-8 Series, 747-8F Series, 747-200B Series and 6 more. Effective Aug 13, 2025
- [AD 2025-09-08](https://openairdocs.org/ad/2025-09-08): Stabilizers · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 11 more. Effective May 5, 2025
- [AD 2025-03-10](https://openairdocs.org/ad/2025-03-10): Water/waste · Boeing 747-400 Series, 747-400F Series, 747-8F Series and 1 more. Effective Mar 21, 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 2025-02-05](https://openairdocs.org/ad/2025-02-05): Landing gear · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Mar 17, 2025
- [AD 2024-19-01](https://openairdocs.org/ad/2024-19-01): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Nov 15, 2024
- [AD 2023-23-14](https://openairdocs.org/ad/2023-23-14): Fuel · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 11 more. Effective Dec 15, 2023
- [AD 2023-18-06](https://openairdocs.org/ad/2023-18-06): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 8 more. Effective Nov 7, 2023
- [AD 2023-12-14](https://openairdocs.org/ad/2023-12-14): Navigation · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 7 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 2023-07-09](https://openairdocs.org/ad/2023-07-09): Fuel · Boeing 747-400 Series and 747-8 Series. Effective May 1, 2023
- [AD 2023-03-20](https://openairdocs.org/ad/2023-03-20): Fuel · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective May 1, 2023
- [AD 2023-03-15](https://openairdocs.org/ad/2023-03-15): Air conditioning · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Apr 14, 2023
- [AD 2022-24-15](https://openairdocs.org/ad/2022-24-15): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 11 more. Effective Jan 26, 2023
- [AD 2022-25-04](https://openairdocs.org/ad/2022-25-04): Equipment/Furnishings · Boeing 747-400 Series and 747-8 Series. Effective Jan 20, 2023
- [AD 2022-23-12](https://openairdocs.org/ad/2022-23-12): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Jan 4, 2023
- [AD 2022-15-07](https://openairdocs.org/ad/2022-15-07): Navigation · Boeing 747-400 Series. Effective Sep 15, 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 2022-10-11](https://openairdocs.org/ad/2022-10-11): Fuel, Wings · Boeing 747-100B SUD Series, 747-200B Series, 747-200C Series and 6 more. Effective Jul 11, 2022
- [AD 2021-26-10](https://openairdocs.org/ad/2021-26-10): Equipment/Furnishings · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Feb 22, 2022
- [AD 2021-17-06](https://openairdocs.org/ad/2021-17-06): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Oct 5, 2021
- [AD 2021-14-10](https://openairdocs.org/ad/2021-14-10): Equipment/furnishings · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Aug 19, 2021
- [AD 2021-08-04](https://openairdocs.org/ad/2021-08-04): Oxygen · Boeing 737-200 Series, 737-300 Series, 737-400 Series and 23 more. Effective May 26, 2021
- [AD 2021-06-10](https://openairdocs.org/ad/2021-06-10): Fuel · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 16 more. Effective Apr 28, 2021
- [AD 2020-21-16](https://openairdocs.org/ad/2020-21-16): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Jan 14, 2021
- [AD 2020-18-02](https://openairdocs.org/ad/2020-18-02): Fuel · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Nov 10, 2020
- [AD 2020-15-14](https://openairdocs.org/ad/2020-15-14): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Sep 3, 2020
- [AD 2020-14-02](https://openairdocs.org/ad/2020-14-02): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Jul 28, 2020
- [AD 2020-07-14](https://openairdocs.org/ad/2020-07-14): Fuel · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective May 18, 2020
- [AD 2020-04-11](https://openairdocs.org/ad/2020-04-11): Fuselage · Boeing 747-400 Series. Effective Apr 13, 2020
- [AD 2019-19-02](https://openairdocs.org/ad/2019-19-02): Fuselage · Boeing 747-400 Series and 747-400F Series. Effective Nov 27, 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 2018-19-23](https://openairdocs.org/ad/2018-19-23): Doors · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 15 more. Effective Nov 7, 2018
- [AD 2018-16-06](https://openairdocs.org/ad/2018-16-06): Equipment/furnishings; 53, Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Sep 12, 2018
- [AD 2018-09-12](https://openairdocs.org/ad/2018-09-12): Oxygen · Boeing 747-200B Series, 747-300 Series and 747-400 Series. Effective May 30, 2018
- [AD 2018-04-07](https://openairdocs.org/ad/2018-04-07): Fuselage; Nacelles/Pylons; Stabilizers; Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Mar 30, 2018
- [AD 2017-22-10](https://openairdocs.org/ad/2017-22-10): Equipment/furnishings · Boeing 747-400 Series, 747-400F Series and 747-8F Series. Effective Dec 29, 2017
- [AD 2017-18-06](https://openairdocs.org/ad/2017-18-06): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Oct 5, 2017
- [AD 2017-09-10](https://openairdocs.org/ad/2017-09-10): Wings · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Jun 27, 2017
- [AD 2017-02-09](https://openairdocs.org/ad/2017-02-09): Fuselage · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Mar 17, 2017
- [AD 2017-02-04](https://openairdocs.org/ad/2017-02-04): Nacelles/pylons · Boeing 747-200B Series, 747-300 Series, 747-400 Series and 2 more. Effective Mar 14, 2017
- [AD 2016-26-07](https://openairdocs.org/ad/2016-26-07): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Feb 15, 2017
- [AD 2016-25-01](https://openairdocs.org/ad/2016-25-01): Auto flight · Boeing 747-400 Series, 747-400D Series, 747-400F Series and 8 more. Effective Jan 31, 2017
- [AD 2016-25-05](https://openairdocs.org/ad/2016-25-05): Stabilizers · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Jan 25, 2017
- [AD 2016-25-09](https://openairdocs.org/ad/2016-25-09): Fuselage · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Jan 17, 2017
- [AD 2016-19-12](https://openairdocs.org/ad/2016-19-12): Fuel · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Nov 14, 2016

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

None in force.

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

- [AD 2025-01-08](https://openairdocs.org/ad/2025-01-08) (historical): Equipment/furnishings · Boeing 747-200B Series, 747-200C Series, 747-200F Series and 6 more. Effective Mar 19, 2025
- [AD 2022-27-07](https://openairdocs.org/ad/2022-27-07) (historical): Fuel · Boeing 747-400 Series and 747-8 Series. Effective Jan 13, 2023
- [AD 2022-06-16](https://openairdocs.org/ad/2022-06-16) (historical): Navigation · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 7 more. Effective Mar 16, 2022
- [AD 2021-07-09](https://openairdocs.org/ad/2021-07-09) (historical): Air conditioning · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective May 12, 2021
- [AD 2021-02-15](https://openairdocs.org/ad/2021-02-15) (historical): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 8 more. Effective Mar 30, 2021
- [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 2019-22-02](https://openairdocs.org/ad/2019-22-02) (historical): Equipment/ furnishings · Boeing 747-200B Series, 747-200C Series, 747-200F Series and 6 more. Effective Jan 16, 2020
- [AD 2017-18-05](https://openairdocs.org/ad/2017-18-05) (historical): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Oct 5, 2017
- [AD 2015-13-06](https://openairdocs.org/ad/2015-13-06) (historical): Fuselage · Boeing 747-400 Series and 747-400F Series. Effective Sep 1, 2015
- [AD 2014-07-01](https://openairdocs.org/ad/2014-07-01) (historical): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Jun 3, 2014
- [AD 2013-22-11](https://openairdocs.org/ad/2013-22-11) (historical): Fuselage · Boeing 747-400 Series and 747-400D Series. Effective Dec 10, 2013
- [AD 2013-23-03](https://openairdocs.org/ad/2013-23-03) (historical): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 8 more. Effective Nov 29, 2013
- [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 2013-14-05](https://openairdocs.org/ad/2013-14-05) (historical): Fuselage · Boeing 747-400 Series and 747-400F Series. Effective Aug 26, 2013
- [AD 2013-01-02](https://openairdocs.org/ad/2013-01-02) (historical): Doors · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 12 more. Effective Feb 22, 2013
- [AD 2012-24-10](https://openairdocs.org/ad/2012-24-10) (historical): Air Conditioning · Boeing 747-400 Series and 747-400F Series. Effective Jan 16, 2013
- [AD 2012-22-02](https://openairdocs.org/ad/2012-22-02) (historical): Fuselage · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Dec 26, 2012
- [AD 2012-15-13](https://openairdocs.org/ad/2012-15-13) (historical): Fuselage · Boeing 747-100B SUD Series, 747-200B Series, 747-300 Series and 2 more. Effective Sep 12, 2012
- [AD 2012-05-03](https://openairdocs.org/ad/2012-05-03) (historical): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Apr 24, 2012
- [AD 2010-26-10](https://openairdocs.org/ad/2010-26-10) (historical): Fuselage · Boeing 747-200C Series, 747-200F Series, 747-400 Series and 2 more. Effective Feb 1, 2011
- [AD 2010-20-08](https://openairdocs.org/ad/2010-20-08) (historical): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 8 more. Effective Nov 9, 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 2009-22-08](https://openairdocs.org/ad/2009-22-08) (historical): Control switches · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 12 more. Effective Dec 3, 2009
- [AD 2009-14-02](https://openairdocs.org/ad/2009-14-02) (historical): Vertical stabilizer seal and fuselage skin · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Aug 3, 2009
- [AD 2009-10-06](https://openairdocs.org/ad/2009-10-06) (historical): Air Transport Association (ATA) of America Code 27: Flight controls. · Boeing 747-400 Series and 747-400D Series. Effective Jun 9, 2009
- [AD 2009-06-02](https://openairdocs.org/ad/2009-06-02) (historical): Detect and correct cracks in the fuselage skin that can propagate and grow, resulting in a loss of structural integrity and a sudden decompression of the airplane during flight. · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 7 more. Effective Apr 20, 2009
- [AD 2008-10-06](https://openairdocs.org/ad/2008-10-06) (historical): Fuel tank systems · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Jun 12, 2008
- [AD 2008-08-25](https://openairdocs.org/ad/2008-08-25) (historical): Main equipment center · Boeing 747-400 Series and 747-400F Series. Effective May 27, 2008
- [AD 2007-23-18](https://openairdocs.org/ad/2007-23-18) (historical): Tension ties · Boeing 747-100B SUD Series, 747-200B Series, 747-300 Series and 2 more. Effective Nov 28, 2007
- [AD 2007-16-08](https://openairdocs.org/ad/2007-16-08) (historical): Cracking of the station 800 frame assembly · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 6 more. Effective Sep 13, 2007
- [AD 2007-15-10](https://openairdocs.org/ad/2007-15-10) (historical): No. 2 and No. 3 windows · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Sep 4, 2007
- [AD 2007-16-19](https://openairdocs.org/ad/2007-16-19) (historical): Aft tension tie channels at four station locations · Boeing 747-200B Series, 747-300 Series and 747-400 Series. Effective Aug 28, 2007
- [AD 2007-07-03](https://openairdocs.org/ad/2007-07-03) (historical): Trim air diffuser ducts or sidewall riser duct assemblies · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective May 2, 2007
- [AD 2006-22-15](https://openairdocs.org/ad/2006-22-15) (historical): Nose wheel well (NWW) · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Dec 11, 2006
- [AD 2006-18-17](https://openairdocs.org/ad/2006-18-17) (historical): Yaw damper actuator portion of the upper and lower rudder power control modules (PCMs) · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Oct 13, 2006
- [AD 2006-12-12](https://openairdocs.org/ad/2006-12-12) (historical): Station 800 frame assembly · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 6 more. Effective Jul 17, 2006
- [AD 2006-12-10](https://openairdocs.org/ad/2006-12-10) (historical): Support bracket of the crew oxygen cylinder · Boeing 747-400 Series. Effective Jul 17, 2006
- [AD 2006-10-04](https://openairdocs.org/ad/2006-10-04) (historical): Left and right longeron extension fittings · Boeing 747-200B Series, 747-200C Series, 747-200F Series and 3 more. Effective Jun 16, 2006
- [AD 2006-09-06](https://openairdocs.org/ad/2006-09-06) (historical): Lower lobe fuselage frames · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 5 more. Effective Jun 7, 2006
- [AD 2006-06-11](https://openairdocs.org/ad/2006-06-11) (historical): Fasteners in the tension ties · Boeing 747-100B SUD Series, 747-200B Series, 747-300 Series and 2 more. Effective Apr 26, 2006
- [AD 2006-05-09](https://openairdocs.org/ad/2006-05-09) (historical): Lap joints of the fuselage skin · Boeing 747-200C Series, 747-200F Series, 747-400 Series and 2 more. Effective Apr 13, 2006
- [AD 2006-05-06](https://openairdocs.org/ad/2006-05-06) (historical): Body station (BS) 2598 bulkhead · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Apr 13, 2006
- [AD 2006-05-02](https://openairdocs.org/ad/2006-05-02) (historical): Fuselage internal structure · Boeing 747-200C Series, 747-200F Series, 747-400 Series and 2 more. Effective Apr 6, 2006
- [AD 2005-16-06](https://openairdocs.org/ad/2005-16-06) (historical): Escape slides/rafts. · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Sep 13, 2005
- [AD 2005-15-08](https://openairdocs.org/ad/2005-15-08) (historical): Fuselage stringers · Boeing 747-100B Series, 747-200B Series, 747-300 Series and 2 more. Effective Aug 30, 2005
- [AD 2005-01-09](https://openairdocs.org/ad/2005-01-09) (historical): Frame Web and Inner Chords on Forward Edge Frame of Number 5 Main Entry Door Cutout · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 8 more. Effective Feb 11, 2005
- [AD 2003-23-01](https://openairdocs.org/ad/2003-23-01) (historical): Yaw damper actuator · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Dec 18, 2003
- [AD 2003-19-08](https://openairdocs.org/ad/2003-19-08) (historical): Discrepancies of Forward and Aft Sides of Body Station 2598 Bulkhead · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Oct 27, 2003
- [AD 2003-20-08](https://openairdocs.org/ad/2003-20-08) (historical): Shoulder restraint harness · Boeing 747-100B Series, 747-200B Series, 747-200C Series and 8 more. Effective Oct 21, 2003
- [AD 2003-13-09](https://openairdocs.org/ad/2003-13-09) (historical): Horizontal stabilizer and rear spar structure · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Jul 15, 2003

All 622: https://openairdocs.org/aircraft/N122UA/ads.md

## Information bulletins (advisory) (11 in force)

- [SAIB AIR-20-18](https://openairdocs.org/saib/AIR-20-18): Flight Management Computing Software System. Issued Nov 16, 2020
- [SAIB NM-20-07](https://openairdocs.org/saib/NM-20-07): Navigation - Glideslope System. Issued Apr 16, 2020
- [SAIB NM-18-33](https://openairdocs.org/saib/NM-18-33): Engine Fuel and Control. Issued Dec 17, 2018
- [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-15-02](https://openairdocs.org/saib/NM-15-02): Cabin Equipment/Furnishings. Issued Nov 6, 2014
- [SAIB NM-12-40](https://openairdocs.org/saib/NM-12-40): External Power System Connector. Issued Aug 3, 2012
- [SAIB NM-09-27](https://openairdocs.org/saib/NM-09-27): Equipment/Furnishings:  In-flight access to Class E cargo compartments. Issued May 12, 2009
- [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 ANM-99-29](https://openairdocs.org/saib/ANM-99-29): . Issued Jul 2, 1999

## NTSB investigations

None matched to N122UA.

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20001005031799I](https://openairdocs.org/incident/20001005031799I), Oct 5, 2000: Boeing 747422 (N122UA), Los Angeles, CA, Minor damage. (-23)On October 5, 2000 at approx 1343, united airlines flight 1, a Boeing 747-422, was taxing for departure runway 25 right, was instructed to taxi via…

## Service difficulty reports (353, 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 CALA2017060901763](https://openairdocs.org/sdr/CALA2017060901763), Jun 9, 2017: LIGHT. UNSECURE. EMERG EXIT LT NEXT TO LAV 101 LOOSE AND DANGLING. REINSTALLED AND FUNCTIONAL CHECK OK.
- [SDR CALA2017051201386](https://openairdocs.org/sdr/CALA2017051201386), May 12, 2017: LIGHT. INOPERATIVE. PER M2 CHK FOUND EMERGENCY POWER OFF INDICATOR LIGHT 2EA INOP. RELAMPS OK.
- [SDR CALA2017050501242](https://openairdocs.org/sdr/CALA2017050501242), May 3, 2017: FIRE WARNING. FALSE ACTIVATION. FIRE ALARM ACTIVATED IN LAV NEAR DOOR 3 WHILE IN FLIGHT. NO EVIDENCE OF SMOKE ON ARR. FIRE EXTINGUISHER CKED OK. SMOKE DETECTOR TEST PASSED AT ALL LAVS DOOR 3 P
- [SDR CALA2017041701036](https://openairdocs.org/sdr/CALA2017041701036), Apr 17, 2017: LIGHT. INOPERATIVE. DOOR 4L LARGE INTERIOR DOOR MOUNTED EEL LIGHT INOP. REPLACED 4L LARGE INTERIOR DOOR MOUNTED EEL LIGHT, OPS CHECK GOOD.
- [SDR CALA2016102100802](https://openairdocs.org/sdr/CALA2016102100802), Oct 21, 2016: SCANNER. UNSERVICEABLE. NO WEATHER DISPLAY FOR LEFT WXR WITH MODE SET AT 1, (1=NORM, 2= MID, 3=MAX). NO WXR IN EITHER RT OR LT RADAR SYSTEMS REPLACED WEATHER RADAR SCANNER. GROUND TEST
- [SDR CALA2016090900637](https://openairdocs.org/sdr/CALA2016090900637), Sep 7, 2016: LIGHT. DETACHED. LAVATORY 102 EMERGENCY LIGHT FELL OFF. SECURED THE LIGHT AND OPS OK
- [SDR CALA2016082600588](https://openairdocs.org/sdr/CALA2016082600588), Aug 26, 2016: LIGHT. INOPERATIVE. R2 DOOR EMERGENCY REFLECTOR LIGHT INOPERATIVE. REPLACED THE LIGHT ASSY IAW AMM 33-51-06, TESTED GOOD
- [SDR CALA2016021695107](https://openairdocs.org/sdr/CALA2016021695107), Feb 14, 2016: UNKNOWN. ODOR. SMELLED SMOKE THROUGHOUT CABIN. UTILITY BUS R EICAS MSG, FOLLOWED BY UTIL BUS L. CREW INDICATED IT WAS JUST ODOR, NO VISIBLE SMOKE. ACCOMPLISHED INSPECTION IAW 
- [SDR CALA2015120894870](https://openairdocs.org/sdr/CALA2015120894870), Dec 6, 2015: CONNECTOR. UNSECURE. REF A CHECK, OVER STAIRS WALL, FWD EEL STRIP INOPERATIVE. SECURED CONNECTOR, OPERATIONS CHECKED OK.
- [SDR CALA2015112594860](https://openairdocs.org/sdr/CALA2015112594860), Nov 24, 2015: DISPLAY. FAILED. RIGHT PFD ARCED OUT. SPARKS WERE SEEN THEN THE PFD WENT BLANK, POPPED CB & THEN LOTS OF SMOKE. NO FLAMES WERE SEEN. INSPECTED AREA FOR HEAT DAMAGE ASSOC WITH AR
- [SDR CALA2015082494237](https://openairdocs.org/sdr/CALA2015082494237), Aug 21, 2015: PANEL. CRACKED. NUMBER 1 PYLON PANEL 452ER, AFT LOWER CUT OUT FOUND CRACKED. REPAIRED IAW ECRA 5430-02039. REPAIR IS PERMANENT, NO FURTHER ACTION REQUIRED.
- [SDR CALA2015082494236](https://openairdocs.org/sdr/CALA2015082494236), Aug 21, 2015: FLASHLIGHT. INOPERATIVE. LAVATORY 3 LT EMER FLASHLIGHT INOPERATIVE & CABLE DAMAGED. REPLACED LAVATORY 3 LT EMER FLASHLIGHT & CABLE PN 7945-24-3. TESTED & FOUND OPERATIONS CHECK GOOD IAW
- [SDR CALA2015082094232](https://openairdocs.org/sdr/CALA2015082094232), Aug 19, 2015: LENS. BROKEN. LAVATORY 102 EMER LIGHT LENS WIRE BROKEN PN 8182-1. R & R LAVATORY 102 EMER LIGHT LENS IAW MM 33-51-13.
- [SDR CALA2015082094231](https://openairdocs.org/sdr/CALA2015082094231), Aug 19, 2015: CABLE. DAMAGED. DOOR 4 LT GALLEY EMER LIGHT CABLE DAMAGED. REPLACED DOOR 4 LT GALLEY EMER FLASHLIGHT PN8054-1.
- [SDR CALA2015021293142](https://openairdocs.org/sdr/CALA2015021293142), Feb 9, 2015: GASPER FAN. FAULTY. ACCOMPLISH SMOKE OR FUMES IN CABIN CONDITIONAL INSPECTION IAW AMM 05-51-56. ACCOMPLISHED CHECK AS REQUIRED. FOUND GASPER FAN CB TRIPPED. ELECT ODOR CAUSED BY GA
- [SDR CALA2015011392938](https://openairdocs.org/sdr/CALA2015011392938), Jan 10, 2015: KNOB. MISSING. DOOR 5L SLIDE ARMING LEVER HAS YELLOW KNOB MISSING. REPLACED KNOB AT DOOR 5L. ACCOMPLISHED GVI THRU INSPECTION HOLES, UNDER SLIDE COVER & GIRT BAR AREA, ALL CLE
- [SDR CALA2014092492282](https://openairdocs.org/sdr/CALA2014092492282), Sep 25, 2014: PROXIMITY SENSOR. MALFUNCTIONED. ABORTED TAKEOFF 120-130 KTS, BRAKE TEMPS FROM 4 TO 7. FLIGHT DECK INDICATIONS SHOWED NR 1 REVERSER DEPLOYMENT. NO EVIDENCE OF REVERSER DEPLOYMENT, NO DAMAGE NOT
- [SDR CALA2014092492279](https://openairdocs.org/sdr/CALA2014092492279), Sep 23, 2014: PDU. MALFUNCTIONED. AFT CARGO FWD RT PDU INOPERATIVE, STARTED TO SMOKE. REPLACED AFT CARGO PIT FWD RT PDU PN 129100-3 IAW MM 25-53-0102.
- [SDR CALA2014070291403](https://openairdocs.org/sdr/CALA2014070291403), Jul 2, 2014: LIGHT. INOPERATIVE. UPPER ANTI-COLLISION INOPERATIVE. NEED RE LAMP TO REPAIR WHITE TAIL LIGHT & WING TIP STROBE LIGHT OPERATIONS GOOD. RE LAMPED & POWER PACK NIL HELP. NEED LIGHT A
- [SDR CALA2014063091384](https://openairdocs.org/sdr/CALA2014063091384), Jun 29, 2014: LIGHT. INOPERATIVE. UPPER ANTI-COLLISION INOPERATIVE. REPAIRED WHITE TAIL LIGHT & WING TIP STROBE LIGHT, OPERATIONS GOOD.
- [SDR CALA2014063091383](https://openairdocs.org/sdr/CALA2014063091383), Jun 29, 2014: VALVE. MALFUNCTIONED. FORWARD OVERBOARD VLV EICAS STATUS MSG DISPLAYED. FWD OVERBOARD VLV NOT IN COMMANDED POSITION OR INTERFACE FAIL. ACCOMPLISHED TEST ALL INDICATIONS OF VLV MOVEME
- [SDR CALA2014052291135](https://openairdocs.org/sdr/CALA2014052291135), May 22, 2014: BATTERY. DISCHARGED. SEAT EEL ROWS 23R TO 33R, INOPERATIVE. SLAVED IN NEW BATTERY CAME DISCHARGED. CHARGING NOW & LIGHT IS A LITTLE BRIGHTER, NEED TO COMPLETE INSTALLING BATTERY AT 
- [SDR CALA2014052291134](https://openairdocs.org/sdr/CALA2014052291134), May 22, 2014: POWER SUPPLY. INOPERATIVE. PER A CHECK, MID LAVATORY EEL STRIP, INOPERATIVE. REPLACED BATTERY POWER SUPPLY M6004, IAW SSM 33-51-04, LOCATED ABOVE DOOR 3R. OPERATIONS NORMAL.
- [SDR CALA2014012090196](https://openairdocs.org/sdr/CALA2014012090196), Jan 18, 2014: CIRCUIT CARD. UNSECURE. STATUS PAGE SHOWS HYD PRESS DEM 4, CMC SHOWED FCU L HYDIM 4 INTERFACE FAIL MESSAGE 29507. RERACKED HYDIM 4 CARD & FCU L, CYC LED FLAPS TO 30 DEG WITH NORMAL DEM
- [SDR CALA2014011690171](https://openairdocs.org/sdr/CALA2014011690171), Jan 16, 2014: DOOR SEAL. DAMAGED. PRESSURIZATION SQUEAL DOOR 4R BEGAN IN DESCENT AT 11K MSL. CABIN ALT 2500 & 4.0 PSID. ACCOMPLISHED DOOR SEAL REPAIR IAW MM 52-09-00 PG 801 GENERAL D 1 METHOD A 
- [SDR CALA2014011690170](https://openairdocs.org/sdr/CALA2014011690170), Jan 16, 2014: A/C PACK. MALFUNCTIONED. PACK 2 EICAS ADVISORY MESSAGE DISPLAYED. NEITHER PTC IN CONTROL OF PACK 2 FOR 30 SECONDS OR PACK COMPONENT FAILURE OR OVERHEAT OR PACK TRIP DUE TO OVERHEAT OR O
- [SDR CALA2013122393888](https://openairdocs.org/sdr/CALA2013122393888), Dec 21, 2013: BAR. SHEARED. LOWER GALLEY CART LIFT SAFETY BAR SHEARED OFF.
- [SDR CALA2013121793765](https://openairdocs.org/sdr/CALA2013121793765), Dec 7, 2013: INDICATOR. MALFUNCTIONED. FUEL INDICATOR FOR NR 2 TANK NOT REGISTERING PROPERLY. CREW COULD NOT GET THE CALCULATED FUEL TO MATCH FLIGHT PLAN PROJECTIONS.
- [SDR CALA2013112793289](https://openairdocs.org/sdr/CALA2013112793289), Nov 27, 2013: WIRE. EXPOSED. PIGTAIL 503 EXPOSED WIRES, SECURED WIRING.
- [SDR CALA2013111492930](https://openairdocs.org/sdr/CALA2013111492930), Nov 13, 2013: LIGHT. FAULTY. FOUR CEILING LIGHTS UPPER DECK BETWEEN EXITS WILL NOT TURN OFF. RESET LAC NO HELP, SOFTWARE ISSUES. REMOVED ONE EACH LIGHT BULB AT FWD RT SIDE.
- [SDR CALA2013102292279](https://openairdocs.org/sdr/CALA2013102292279), Oct 22, 2013: LIGHT. INOPERATIVE. FIRST OFFICER OBSERVER VHF LT MIC LIGHT IS INOPERATIVE. RELAMPED & OPERATION CHECKED OKAY.
- [SDR CALA2013100991900](https://openairdocs.org/sdr/CALA2013100991900), Oct 7, 2013: TRIM PANEL. LOOSE. EMERGENCY LIGHT STRIP AFT LAVATORY 102 LOOSE. CONFIRMED ITS TRIM STRIP MISSING & LAMP WORKS NORMAL. REPLACED MISSING TRIM.
- [SDR CALA2013100791767](https://openairdocs.org/sdr/CALA2013100791767), Oct 2, 2013: UNKNOWN. MALFUNCTIONED. NR 2 ENG IDG AIR OIL HEAT EXCHANGER VALVE FAIL TEST. PRESENT LEG FAULT MX MESSAGE 24529. ACCOMPLISHED 24-11 FAULT TREE CONFIG 1 PAGE 104. BLOCK 1,6,7,8,12,13. R
- [SDR CALA2013100191616](https://openairdocs.org/sdr/CALA2013100191616), Sep 30, 2013: UNKNOWN. MALFUNCTIONED. NR 2 ENG IDG AIR OIL HEAT EXCHANGER VALVE FAILED TEST. PRESENT LEG FAULT MAINT MSG 24529. ACCOMPLISHED 24-11 FAULT TREE CONFIG 1 PAGE 104. BLOCK 1,6,7,8,12,13. 
- [SDR CALA2013090591044](https://openairdocs.org/sdr/CALA2013090591044), Sep 4, 2013: CHANNEL. CRACKED. BS 1200 LT TENSION TIE FWD CHANNEL CRACKED AT FASTENER HOLE. REMOVED DAMAGE, MANUFACTURED & INSTALLED REPAIR CHANNELS & ANGLES IAW SRM 53-40-30 RPR 2.
- [SDR CALA2013083090863](https://openairdocs.org/sdr/CALA2013083090863), Aug 30, 2013: SKIN. CORRODED. BS1350 S18L-S13R FUSELAGE SKIN CORROSION. REPAIRED IAW ECRA 5330-04671 ON NON ROUTINES.
- [SDR CALA2013082990837](https://openairdocs.org/sdr/CALA2013082990837), Aug 29, 2013: SKIN. CORRODED. BS 1480 FUSELAGE SKIN CORROSION S3R-S4L. REPAIRED IAW ECRA 5330-04652.
- [SDR CALA2013082990836](https://openairdocs.org/sdr/CALA2013082990836), Aug 29, 2013: SKIN. CORRODED. BS 1480 FUSELAGE SKIN CORROSION S5R-S11R. REPAIRED IAW ECRA 5330-04654.
- [SDR CALA2013082990835](https://openairdocs.org/sdr/CALA2013082990835), Aug 29, 2013: SKIN. CORRODED. BS 1480 FUSELAGE SKIN CORROSION S14R-S16R. REPAIRED IAW ECRA 5330-04653.
- [SDR CALA2013090591058](https://openairdocs.org/sdr/CALA2013090591058), Aug 28, 2013: CHANNEL. CRACKED. BS 1200 RT TENSION TIE FWD CHANNEL CRACKED AT FASTENER HOLE. REMOVED DAMAGE, MANUFACTURED & INSTALLED REPAIR CHANNELS & ANGLES IAW SRM 53-40-30 REPAIR 2.
- [SDR CALA2013090591057](https://openairdocs.org/sdr/CALA2013090591057), Aug 28, 2013: CHANNEL. CRACKED. BS 1180 LT TENSION TIE FWD CHANNEL CRACKED AT FASTENER HOLE. REMOVED DAMAGE, MANUFACTURED & INSTALLED REPAIR CHANNELS & ANGLES IAW SRM 53-40-30 REPAIR 2.
- [SDR CALA2013090591056](https://openairdocs.org/sdr/CALA2013090591056), Aug 28, 2013: CHANNEL. CRACKED. BS 1180 RT TENSION TIE FWD CHANNEL CRACKED AT FASTENER HOLE. REMOVED DAMAGE, MANUFACTURED & INSTALLED REPAIR CHANNELS & ANGLES IAW SRM 53-40-30 REPAIR 2.
- [SDR CALA2013090591055](https://openairdocs.org/sdr/CALA2013090591055), Aug 28, 2013: CHANNEL. CRACKED. BS 1160 RT TENSION TIE FWD CHANNEL CRACKED AT THREE FASTENER HOLES, AFT CHANNEL CRACKED AT ONE FASTENER HOLE. MANUFACTURED & INSTALLED REPAIR CHANNELS & ANGLES 
- [SDR CALA2013090591054](https://openairdocs.org/sdr/CALA2013090591054), Aug 28, 2013: CHANNEL. CRACKED. BS 1160 LT TENSION TIE FWD CHANNEL CRACKED AT FASTENER HOLE. REMOVED DAMAGE, MANUFACTURED & INSTALLED REPAIR CHANNELS & ANGLES IAW SRM 53-40-30 REPAIR 2.
- [SDR CALA2013090591053](https://openairdocs.org/sdr/CALA2013090591053), Aug 28, 2013: CHANNEL. CRACKED. BS 1120 TENSION TIE RT FWD CHANNEL CRACKED AT FASTENER. REMOVED DAMAGE, MANUFACTURED & INSTALLED REPAIR CHANNELS & ANGLES IAW SRM 53-40-30 REPAIR 2. 5.
- [SDR CALA2013090591052](https://openairdocs.org/sdr/CALA2013090591052), Aug 28, 2013: CHANNEL. CRACKED. BS 1120 LT TENSION TIE FWD CHANNEL CRACKED AT TWO FASTENER HOLES. REMOVED DAMAGE, MANUFACTURED & INSTALLED REPAIR CHANNEL & ANGLES IAW SRM 53-40-30, REPAIR 2.
- [SDR CALA2013090591051](https://openairdocs.org/sdr/CALA2013090591051), Aug 28, 2013: WEB. CRACKED. MAIN DECK COMPARTMENT FLOOR BEAM SUPPORT WEB IS CRACKED STATION 142, LBL 42. CUTOUT DAMAGE & INSTALLED REPAIR IAW SRM53-10-51-RPR 7. N-R 0370636.
- [SDR CALA2013090591050](https://openairdocs.org/sdr/CALA2013090591050), Aug 28, 2013: FRAME. CRACKED. BS 1180 TENSION TIE RT FRAME CRACKED AT FASTENER HOLE. INSTALLED NEW FRAME SEGMENT IAW SRM 53-40-07 REPAIR 4.
- [SDR CALA2013090591049](https://openairdocs.org/sdr/CALA2013090591049), Aug 28, 2013: FRAME. CRACKED. BS 1160 RT TENSION TIE FRAME CRACKED AT FASTENER HOLE. INSTALLED NEW FRAME SEGMENT IAW SRM 53-40-07 REPAIR 3.
- [SDR CALA2013090591048](https://openairdocs.org/sdr/CALA2013090591048), Aug 28, 2013: FRAME. CRACKED. BS 1120 RT TENSION TIE FRAME CRACKED AT FASTENER HOLE. INSTALLED NEW FRAME SEGMENT IAW SRM 53-40-07 REPAIR 1. 

All 353: https://openairdocs.org/aircraft/N122UA/reports.md

## STCs that may be installed (OpenAirDocs) (699, 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 747-422)

- [STC ST12461IB](https://openairdocs.org/stc/ST12461IB): Installation of Cockpit Voice Recorder with optional RIPS Upgrade. Mid- Canada Mod Center
- [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 ST02166SE](https://openairdocs.org/stc/ST02166SE): Installation of additional bunks in the Door 5 Overhead Crew Rest on Boeing Model 747-400 series aircraft. B/E Aerospace, Inc. - FSI
- [STC ST00197IB](https://openairdocs.org/stc/ST00197IB): Installation of the Universal Quick Access Recorder (uQAR). Flight Data Technologies Inc
- [STC ST00437AT](https://openairdocs.org/stc/ST00437AT): Installation of Collins SAT-906 SATCOM System with Canadian- Marconi CMA-2102 Antenna System and Ball Airlink Low Gain Antenna. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST00552AT](https://openairdocs.org/stc/ST00552AT): Installation of a Collins SATCOM update from 900 SDU to 906 SDU. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST01859AT-D](https://openairdocs.org/stc/ST01859AT-D): Installation of a Collins CPL-920D H.F. Antenna coupler in a provisioned aircraft. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST01959AT-D](https://openairdocs.org/stc/ST01959AT-D): Installation of Ball Aerospace Camera entertainment system. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST02621AT-D](https://openairdocs.org/stc/ST02621AT-D): Installation In-flight Entertainment System provisions. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03091AT-D](https://openairdocs.org/stc/ST03091AT-D): Interior reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03092AT-D](https://openairdocs.org/stc/ST03092AT-D): Interior modification. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03143AT-D](https://openairdocs.org/stc/ST03143AT-D): Installation of a Rockwell Collins AERO H+ SATCOM System. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03419AT](https://openairdocs.org/stc/ST03419AT): Rockwell Collins SATCOM High Speed Transmitter Installation. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03504AT-D](https://openairdocs.org/stc/ST03504AT-D): Interior reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03556AT-D](https://openairdocs.org/stc/ST03556AT-D): Installation and Reactivation of a SATCOM System (Honeywell) and an ACARS System Upgrade (Rockwell Collins). AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03821AT-D](https://openairdocs.org/stc/ST03821AT-D): Installation of a Panasonic eX2 In-Flight Entertainment System in a Boeing 747-400 aircraft. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04378AT](https://openairdocs.org/stc/ST04378AT): VIP Cabin IFE / Communication systems upgrades. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04379AT](https://openairdocs.org/stc/ST04379AT): Installation of Gogo 2Ku WiFi System. 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 ST03875NY](https://openairdocs.org/stc/ST03875NY): Installation of interior placards, signs and markings. Libellule Monde Inc
- [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 ST02927NY](https://openairdocs.org/stc/ST02927NY): Installation of a Panasonic Avionics Corporation Global Communications Suite Antenna. Delta Engineering Corporation
- [STC ST03047CH](https://openairdocs.org/stc/ST03047CH): Certification of Compatibility with Cellular and Wireless Data Technologies. Delta Engineering Corporation
- [STC ST03885AT](https://openairdocs.org/stc/ST03885AT): Installation of an Avionica, Inc. avCM Cellular Module. Aircraft Systems and Manufacturing Inc
- [STC SA3943NM](https://openairdocs.org/stc/SA3943NM): Installation of C&D interiors outboard bins and sidewall panels, stowage unit, class divider, super bin kit. Safran Cabin Inc
- [STC SA5799NM](https://openairdocs.org/stc/SA5799NM): Installation of a modular lavatory retrofit kit. Safran Cabin Inc
- [STC ST00484SE](https://openairdocs.org/stc/ST00484SE): Installation of interior retrofit kit. Safran Cabin Inc
- [STC ST00661SE](https://openairdocs.org/stc/ST00661SE): Installation of upper deck closets. Safran Cabin Inc
- [STC ST00734SE](https://openairdocs.org/stc/ST00734SE): Installation of interior retrofit kit. Safran Cabin Inc
- [STC ST00773SE](https://openairdocs.org/stc/ST00773SE): Installation of Upper Deck Overhead Stowage Bin Interior Retrofit. Safran Cabin Inc
- [STC ST00776SE](https://openairdocs.org/stc/ST00776SE): Installation of interior kits. Safran Cabin Inc
- [STC ST00799LA](https://openairdocs.org/stc/ST00799LA): Installation of a folding cart stowage unit and modifications. Safran Cabin Inc
- [STC ST00835SE](https://openairdocs.org/stc/ST00835SE): Installation of interior components. Safran Cabin Inc
- [STC ST00836SE](https://openairdocs.org/stc/ST00836SE): Installation of interior components and in-flight entertainment system. Safran Cabin Inc
- [STC ST00942SE](https://openairdocs.org/stc/ST00942SE): Installation of Airshow 420 News and Weather Information System kit. Safran Cabin Inc
- [STC ST01061SE](https://openairdocs.org/stc/ST01061SE): Installation of Airshow 420 News and Weather Information System. Safran Cabin Inc
- [STC ST01152SE](https://openairdocs.org/stc/ST01152SE): Installation Interior Components. Safran Cabin Inc
- [STC ST01315LA](https://openairdocs.org/stc/ST01315LA): Installation of a forward facing flight attendant seat. Safran Cabin Inc
- [STC ST01503SE](https://openairdocs.org/stc/ST01503SE): Installation of Interior components. Safran Cabin Inc
- [STC ST01507SE](https://openairdocs.org/stc/ST01507SE): Installation of interior components. Safran Cabin Inc
- [STC ST01523SE](https://openairdocs.org/stc/ST01523SE): Installation of interior components. Safran Cabin Inc
- [STC ST01532SE](https://openairdocs.org/stc/ST01532SE): Installation of interior components. Safran Cabin Inc
- [STC ST01533SE](https://openairdocs.org/stc/ST01533SE): Installation of interior components. Safran Cabin Inc
- [STC ST01554SE](https://openairdocs.org/stc/ST01554SE): Installation of interior components. Safran Cabin Inc
- [STC ST01622SE](https://openairdocs.org/stc/ST01622SE): Installation of interior components. Safran Cabin Inc
- [STC ST01780SE](https://openairdocs.org/stc/ST01780SE): Installation of interior components. Safran Cabin Inc
- [STC ST01880LA](https://openairdocs.org/stc/ST01880LA): Installation of pantry. Safran Cabin Inc
- [STC ST01986NY-D](https://openairdocs.org/stc/ST01986NY-D): Update of Panasonic Avionics Corporation System 3000 passenger entertainment system. Safran Cabin Inc

All 699: https://openairdocs.org/aircraft/N122UA/stcs.md

## Related

- Other Boeing 747-422 aircraft: https://openairdocs.org/model/boeing-747-422/aircraft.md
- The Pratt & Whitney PW4000 series engine: https://openairdocs.org/engine/pratt-whitney-pw4000-series.md

---
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