# Boeing 747-422 - Type: Aircraft model (FAA registry) - Registry code: 1384935 - Manufacturer (registry): BOEING - Model: 747-422 - Aircraft type: Fixed wing multi engine - Category: Airplane - Engines: 4 · Turbo-fan - Seats: 495 - Weight class: 20,000 lb and over - Certification: Type certificated - Data sheet: [TCDS A20WE](https://openairdocs.org/tcds/A20WE) (OpenAirDocs) - Holder: The Boeing Company - Registered aircraft: 8 - Page: https://openairdocs.org/model/boeing-747-422 Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker. ## ADs that may apply (OpenAirDocs) Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. - [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 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/model/boeing-747-422/ads.md ## Information bulletins (advisory) (11) - [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 ## Registered aircraft (8) - [N120UA](https://openairdocs.org/aircraft/N120UA): [United Airlines Inc](https://openairdocs.org/faa-owner/UNITED%20AIRLINES%20INC), [Chicago, IL](https://openairdocs.org/faa-place/IL/Chicago), built 1999, S/N 29166 - [N122UA](https://openairdocs.org/aircraft/N122UA): [United Airlines Inc](https://openairdocs.org/faa-owner/UNITED%20AIRLINES%20INC), [Chicago, IL](https://openairdocs.org/faa-place/IL/Chicago), built 1999, S/N 29168 - [N171UA](https://openairdocs.org/aircraft/N171UA): [United Airlines Inc](https://openairdocs.org/faa-owner/UNITED%20AIRLINES%20INC), [Chicago, IL](https://openairdocs.org/faa-place/IL/Chicago), built 1989, S/N 24322 - [N182UA](https://openairdocs.org/aircraft/N182UA): [United Airlines Inc](https://openairdocs.org/faa-owner/UNITED%20AIRLINES%20INC), [Chicago, IL](https://openairdocs.org/faa-place/IL/Chicago), built 1991, S/N 25279 - [N194UA](https://openairdocs.org/aircraft/N194UA): [United Airlines Inc](https://openairdocs.org/faa-owner/UNITED%20AIRLINES%20INC), [Chicago, IL](https://openairdocs.org/faa-place/IL/Chicago), built 1997, S/N 26892 - [N195UA](https://openairdocs.org/aircraft/N195UA): [United Airlines Inc](https://openairdocs.org/faa-owner/UNITED%20AIRLINES%20INC), [Chicago, IL](https://openairdocs.org/faa-place/IL/Chicago), built 1997, S/N 26899 - [N197UA](https://openairdocs.org/aircraft/N197UA): [United Airlines Inc](https://openairdocs.org/faa-owner/UNITED%20AIRLINES%20INC), [Chicago, IL](https://openairdocs.org/faa-place/IL/Chicago), built 1997, S/N 26901 - [N480MC](https://openairdocs.org/aircraft/N480MC): [Atlas Air Inc](https://openairdocs.org/faa-owner/ATLAS%20AIR%20INC), [Purchase, NY](https://openairdocs.org/faa-place/NY/Purchase), built 1999, S/N 28812 ## NTSB investigations (15) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB DCA17WA159](https://openairdocs.org/ntsb/DCA17WA159), Jul 18, 2017: Boeing 747 422 (N121UA), Frankfurt, Germany, incident, no damage - [NTSB DCA15WA015](https://openairdocs.org/ntsb/DCA15WA015), Oct 22, 2014: Boeing 747 422 (N120UA), Frankfurt, Germany, incident, minor damage - [NTSB WPR13LA131](https://openairdocs.org/ntsb/WPR13LA131), Feb 19, 2013: Boeing 747-422 (N174UA), Pacific Ocean, A1, no damage. Probable cause: The flight’s encounter with moderate clear air turbulence while en route, which resulted in a serious injury to a flight attendant. Contributing to the accident was the lack of communication… - [NTSB DCA11FA091](https://openairdocs.org/ntsb/DCA11FA091), Jul 29, 2011: Boeing 747-422 (N173UA), Tangshan, China, no damage. Probable cause: an inadvertent encounter with convectively induced turbulence likely due to radar limitations and convective weather developing upwards into the flight path. - [NTSB DCA10CA032](https://openairdocs.org/ntsb/DCA10CA032), Feb 19, 2010: Boeing 747 (N173UA), Anchorage, AK, minor damage. Probable cause: an inadvertent encounter with clear air turbulence. - [NTSB LAX07LA204](https://openairdocs.org/ntsb/LAX07LA204), Jun 27, 2007: Boeing 747-422 (N120UA), Oceanic, no damage. Probable cause: An in-flight encounter with turbulence that resulted in serious injury to a flight attendant. - [NTSB LAX04LA050](https://openairdocs.org/ntsb/LAX04LA050), Nov 14, 2003: Boeing 747-422 (N178UA), San Francisco, CA, substantial damage. Probable cause: a tail strike due to a combination of the wind shifting from a headwind to a tailwind during rotation, and the pilot's control inputs for the crosswind condition. - [NTSB CHI03IA097](https://openairdocs.org/ntsb/CHI03IA097), Apr 1, 2003: Boeing 747-422 (N175UA), Chicago, IL, incident, no damage. Probable cause: Failure of company maintenance personnel to fully comply with published maintenance/inspection procedures, as well as the resulting inoperative drain heaters and restricted movement of the aileron… - [NTSB LAX02LA146](https://openairdocs.org/ntsb/LAX02LA146), May 1, 2002: Boeing 747-422 (N182UA), Pacific Ocean (Pacific Ocean), no damage. Probable cause: An in-flight encounter with clear air turbulence and wind shear, which resulted in a serious injury to a flight attendant. - [NTSB LAX99LA212](https://openairdocs.org/ntsb/LAX99LA212), Jun 9, 1999: Boeing 747-422 (N198UA), Pacific Ocean (Pacific Ocean), no damage. Probable cause: intentional tampering/altering of a galley lift interlock microswitch by unknown persons. - [NTSB DCA98WA043](https://openairdocs.org/ntsb/DCA98WA043), May 11, 1998: Boeing 747 (N179UA), Narita, Japan, no damage - [NTSB CHI97LA292](https://openairdocs.org/ntsb/CHI97LA292), Sep 14, 1997: Boeing 747-422 (N175UA), Grand Forks, ND, no damage. Probable cause: The flight attendant's seat belt was not secured. A factor was turbulence in the clouds. - [NTSB LAX96LA013](https://openairdocs.org/ntsb/LAX96LA013), Oct 17, 1995: Boeing 747-422 (N191UA), Pacific Ocean (Pacific Ocean), no damage. Probable cause: an inadvertent encounter with unreported and unforecasted severe turbulence. A factor in the accident was the passengers' non-use of seat belts during cruise flight. - [NTSB LAX94LA141](https://openairdocs.org/ntsb/LAX94LA141), Feb 12, 1994: Boeing 747-400 (N186UA), Pacific Ocean (Pacific Ocean), no damage. Probable cause: the failure of the chief steward to verify that all flight attendants had been informed, and were complying with the captain's instructions to remain seated with their seatbelts fastened. - [NTSB LAX90IA305](https://openairdocs.org/ntsb/LAX90IA305), Aug 27, 1990: Boeing 747-422 (N174UA), Los Angeles, CA, incident, minor damage. Probable cause: THE FAILURE OF THE MANUFACTURER TO ENSURE THAT THE LANDING GEAR SELECTOR VALVES AND THEIR ASSOCIATED DRUM LINK ASSEMBLIES WERE PROPERLY INSTALLED PRIOR TO DELIVERY OF THE AIRCRAFT. A FACTOR IN THE… ## FAA accident and incident reports (26) 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. - [Accident 20130219002779A](https://openairdocs.org/incident/20130219002779A), Feb 19, 2013: Boeing 747-422 (N174UA), No damage. The flight was from sydney to sfo. The flight had been experiencing intermittent moderate turbulence for several hours. A flight attendant was on scheduled… - [Accident 20110729023949A](https://openairdocs.org/incident/20110729023949A), Jul 29, 2011: Boeing 747-422 (N173UA), No damage. Prior to the turbulence event, the captain had the weather radar on and determined that it was safe for the flight attendants to get up and start their… - [Accident 20100219028409A](https://openairdocs.org/incident/20100219028409A), Feb 19, 2010: Boeing 747-422 (N173UA), Minor damage. Ua 897 iad-nrt encountered severe turbulence in the anchorage fir. The flight was experiencing moderate turbulence and asked for lower altitude due to a… - [Accident 20080620846779A](https://openairdocs.org/incident/20080620846779A), Jun 20, 2008: Boeing 747422 (N194UA), Chicago, IL, Minor damage. (-23) The number two (2) engine fan blades, 5 were damaged (bent) and engine vibration was noted. Flight crew reported seeing a bird on takeoff roll. The… - [Incident 20070805019679I](https://openairdocs.org/incident/20070805019679I), Aug 5, 2007: Boeing 747422 (N195UA), Washington, DC, Substantial damage. (-23) Aircraft was being towed from gate C-3 to gate C-27 for reposition of a revenue flight, when the #1 engine struck a heavy loader that was parked inside… - [Incident 20050202004199I](https://openairdocs.org/incident/20050202004199I), Feb 2, 2005: Boeing 747422 (N118UA), Chicago, IL, Minor damage. (-23) Uala B-747, N118UA enroute to tokyo japan from gate C18, was taxiing to 32L when the #4 engine struck a city vehicle parked at A12. Two electricians were… - [Accident 20031114035379A](https://openairdocs.org/incident/20031114035379A), Nov 14, 2003: Boeing 747422 (N178UA), San Francisco, CA, Substantial damage. (-23) On November 14, 2003, about 1250 pacific standard time, united airlines flight 805, a Boeing 747-422, N178UA, experienced a tail strike on rotation at… - [Incident 20030401006569I](https://openairdocs.org/incident/20030401006569I), Apr 1, 2003: Boeing 747422 (N182UA), Los Angeles, CA, Minor damage. (-23) "Industrial incident-no intent to fly". Aircraft was repositioning from hangar to gate 69B per ual move slip. Tow crew consists of tug driver and brake… - [Incident 20030401005799I](https://openairdocs.org/incident/20030401005799I), Apr 1, 2003: Boeing 747422 (N175UA), Chicago, IL. (-23) On April 1, 2003, aircraft N175UA, operating as ua flt 896-1 hkg to ord declared an emergency on descent and approach into ord due to a restriction in… - [Accident 20020501035849A](https://openairdocs.org/incident/20020501035849A), May 1, 2002: Boeing 747422 (N182UA), Sidney, AS, Minor damage. (-23) The following is a synopsis of the turbulence incident that occurred on may 1, 2002 of ual flight 862. The information was compiled from the statements… - [Incident 20020406009929I](https://openairdocs.org/incident/20020406009929I), Apr 6, 2002: Boeing 747422 (N191UA), Los Angeles, CA, Minor damage. (-23) United airlines inc. flight 816 was arriving at gate 74 with a medical emergency. Upon arrival to the gate the 747-422 struck the lax fire department… - [Incident 20020325020589I](https://openairdocs.org/incident/20020325020589I), Mar 25, 2002: Boeing 747422 (N188UA), Chicago, IL, Minor damage. (-23) Ual 154 was following another united flight to the gate area. The first united flight (ual 260, a B-777, N797UA) reported no gate available. Instructed… - [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… - [Incident 19990621033279I](https://openairdocs.org/incident/19990621033279I), Jun 21, 1999: Boeing 747400 (N199UA), Denver, CO, Minor damage. (-23) Aircraft made hard landing on rw 16 @ dia. Llws was forcast and previous aircraft had reported "a 20 knot loss at 100 feet". Aircrew reported… - [Accident 19990609041989A](https://openairdocs.org/incident/19990609041989A), Jun 9, 1999: Boeing 747422 (N198UA), Pacific Ocean. (-23) Approximately 30 miles west of niket intersection R471, copilot was advised by flight attendant of an accident causing serious injury to f/a [privacy… - [Incident 19990105015439I](https://openairdocs.org/incident/19990105015439I), Jan 5, 1999: Boeing 747422 (N194UA), Chicago, IL, Minor damage. (-5) Taxiing uala B-747 struck and overturned a city of Chicago vehicle that was stuck in snow on an access road beside the taxiway. Vehicle was damaged. #one… - [Accident 19980511046349A](https://openairdocs.org/incident/19980511046349A), May 11, 1998: Boeing 747422 (N179UA), Narita. (.4)This incident is being investigated by the government of japan. - [Incident 19980107004319I](https://openairdocs.org/incident/19980107004319I), Jan 7, 1998: Boeing 747422 (N174UA), New York, NY, Minor damage. Narrative: at approximately 10:40 am on January 7, 1998, aircraft N174UA (8674) was being taxied from hangar #19 to terminal #7. The taxi technicians did not… - [Accident 19970914037249A](https://openairdocs.org/incident/19970914037249A), Sep 14, 1997: Boeing 747422 (N175UA), Grand Forks, ND. Encountered severe turbulence near a thunderstorm. Passebgers and flight attendant injured. (.4) on September 14, 1997, at 1424 central daylight time, a Boeing… - [Incident 19951122044159I](https://openairdocs.org/incident/19951122044159I), Nov 22, 1995: Boeing 747422 (N192UA), Los Angeles, CA, Minor damage. Narrative: flight 818 was taxiing eastbound on kilo. Ebgars service road 48, the number one engine contacted a truck that had stalled on service road 48,… - [Accident 19951017047939A](https://openairdocs.org/incident/19951017047939A), Oct 17, 1995: Boeing 747422 (N191UA), Pacific Ocean. (.4)Six passengers were injured during a severe turbulence encounter over the Pacific Ocean while the aircraft was in cruise at flight level FL330. The… - [Accident 19940212014219A](https://openairdocs.org/incident/19940212014219A), Feb 12, 1994: Boeing 747422 (N186UA), Pacific Ocean, CA. While deviating around thunderstorms severe turbulence encountered causing serious injury to flight attendant. - [Incident 19921017048109I](https://openairdocs.org/incident/19921017048109I), Oct 17, 1992: Boeing 747422 (N180UA), San Francisco, CA, Minor damage. Pilot attempted to park aircraft without ground crew. Left wing impacted the improperly positioned jetway. - [Incident 19920412009589I](https://openairdocs.org/incident/19920412009589I), Apr 12, 1992: Boeing 747422 (N182UA), San Francisco, CA. Aborted takeoff due to smoke alarms activating. Evacuated. Smoke from oil in APU bleed duct. - [Incident 19910320014569I](https://openairdocs.org/incident/19910320014569I), Mar 20, 1991: Boeing 737200 (N179UA), Billings, MT. Experienced an elevator differential warning light on climb. Returned. Landed safely. - [Incident 19900827040239I](https://openairdocs.org/incident/19900827040239I), Aug 27, 1990: Boeing 747422 (N174UA), Los Angeles, CA, Minor damage. Landed with nose and both body gears retracted. Passengers evacuated on runway. ## Service difficulty reports (9,801, newest 50) As reported by operators and repair stations, by the model named in the report. - [SDR UIEA2026090800861](https://openairdocs.org/sdr/UIEA2026090800861), Sep 8, 2026: LIGHT. FAULTED. LEFT CENTER EMERGENCY EXIT SIGN IS ONLY ILLUMINATING 50%. REMOVED & REPLACED LH OVERWING EMERGENCY LIGHT NR 2 AFT LIGHT ASSY IAW AMM 33-51-03 & AIPC 33-51-03-02 - [SDR UIEA2025111101296](https://openairdocs.org/sdr/UIEA2025111101296), Nov 11, 2025: CHARGER. INOPERATIVE. EMERGENCY EXIT LIGHTS INOP AT MID LAV, L5, 4A, & R5 DOORS. REMOVED & REPLACED BATTERY CHARGER IAW AMM-33-51-01 & AIPC 24-51-00. REMOVED & REPLACED EMERGENCY LIG - [SDR UIEA2025101801269](https://openairdocs.org/sdr/UIEA2025101801269), Oct 19, 2025: SKIN. BROKEN. EXTERNAL FUSELAGE SKIN SECTION 48 HAS BROKEN PANEL AT RH SIDE BTWN STATION 2618 & 2638(

R/R AIR INTAKE LIP PER SRM 51-40-02 PAR. 5. NO FURTHER DEFECTS NOT - [SDR UIEA2025101801270](https://openairdocs.org/sdr/UIEA2025101801270), Oct 19, 2025: SKIN. BROKEN. EXTERNAL FUSELAGE SKIN SECTION 48 HAS BROKEN PANEL AS RH SIDE BTWN STATION 2618 & 2638(

R/R AIR INTAKE LIP PER SRM 51-40-02 PAR. 5. NO FURHTER DEFECTS NOT - [SDR UIEA2025101801271](https://openairdocs.org/sdr/UIEA2025101801271), Oct 19, 2025: SKIN. BROKEN. EXTERNAL FUSELAGE SKIN SECTION 48 HAS BROKEN PANEL AT RH SIDE BTWN STATION 2618 & 2638(

R/R AIR INTAKE LIP PER SRM 51-40-02 PAR. 5. NO FURTHER DEFECTS NOT - [SDR UIEA2025101801272](https://openairdocs.org/sdr/UIEA2025101801272), Oct 19, 2025: SKIN. BROKEN. EXTERNAL FUSELAGE SKIN SECTION 48 HAS BROKEN PANEL AT RH SIDE BTWN STATION 2618 & 2638(

R/R AIR INTAKE LIP PER SRM 51-40-02 PAR. 5. NO FURTHER DEFECTS NOT - [SDR UIEA2025101901273](https://openairdocs.org/sdr/UIEA2025101901273), Oct 19, 2025: SLIDE. LOW PRESSURE. LOW PRESSURE ON SLIDE BOTTLES ON UPPER RIGHT DOOR (18332AP) SLIDE PN: 7A1323-114 SN G2230(

R/R SLIDE & OPS CHK OK PER AMM 25-68-00.

) - [SDR UIEA2025101901274](https://openairdocs.org/sdr/UIEA2025101901274), Oct 19, 2025: SLIDE. LOW PRESSURE. LOW PRESSURE ON SLIDE BOTTLES ON UPPER LEFT DOOR (18332AP)(

R/R SLIDE & OPS CHK OK IAW AMM 25-68-00.

) - [SDR UIEA2025090601168](https://openairdocs.org/sdr/UIEA2025090601168), Sep 6, 2025: LIGHT. INOPERATIVE. LEFT U/D DOOR EMERGENCY LIGHT INOP. REMOVED & REPLACED EMERGENCY LIGHT ASSY IAW AMM 33-57-04. OPS CHECK GOOD. REF AIPC 24-31-00-50B. - [SDR UIEA2025022700171](https://openairdocs.org/sdr/UIEA2025022700171), Mar 1, 2025: SKIN. CORRODED. CORROSION ON RH FUSELAGE SKIN AT STA 1702, S-45R.(

1. ACCOMPLISHED WORK SHEET #50030 (SRM 53-00-01-2R-1 REV. 122). 2. CONDITION CHECK NORMAL AND JOB COMPLETED - [SDR UIEA2025022700172](https://openairdocs.org/sdr/UIEA2025022700172), Mar 1, 2025: SUPPORT FITTING. CRACKED. CRACK FTG, LH WING #5 SPOILER SUPPORT FITTING ON STA WS 650.00.(

1. ACCOMPLISHED WORK SHEET #50033 (SRM 57-51-13-2R-1 REV 122). 2. CONDITION CHECK NORMAL AND - [SDR UIEA2025022700173](https://openairdocs.org/sdr/UIEA2025022700173), Mar 1, 2025: SKIN. CORRODED. CORROSION ON #4 ENG LH CORE COWL SKIN BETWEEN NSTA 222 AND NSTA 230.(

1. REPAIR THE DAMAGE AREA IAW EI #T2025A54M-196 REV 0 AND REF DWG #314T4210 SH 7 REV-C, - [SDR UIEA2025022700174](https://openairdocs.org/sdr/UIEA2025022700174), Mar 1, 2025: SKIN. CORRODED. CORROSION ON #2 ENG LH CORE COWL SKIN BETWEEN NSTA 222 AND NSTA 230.(

1. REPAIR THE DAMAGE AREA IAW EI #T2025A54M-198, REV 0 AND REF DWG #314T4210 SH 20 REV D - [SDR UIEA2025022700176](https://openairdocs.org/sdr/UIEA2025022700176), Mar 1, 2025: BOTTLE. DISCONNECTED. FND L2 ENTRY EMERGENCY POWER RESERVOIR PRESSURE LINE NOT CONNECTED.(

1. IAW AMM TASK 52-11-06-404-015 REV 112 INSTALL THE PRESSURE LINE. 2. COND CHECK NORMAL. - [SDR UIEA2025022700178](https://openairdocs.org/sdr/UIEA2025022700178), Mar 1, 2025: LAMP. INOPERATIVE. FOUND L/H AISLE EMERGENCY LIGHT INOP BETWEEN SEAT 57 ABC AND 57 DEFG.(

1. IAW AMM 33-51-07-962-001 REV 112 REPLACED EMERGENCY LIGHT LAMP BETWEEN SEAT 57 DEFG - [SDR UIEA2025022700180](https://openairdocs.org/sdr/UIEA2025022700180), Mar 1, 2025: ELEC CONNECTOR. DAMAGED. FOUND L3 DR FWD EMERGENCY EVAC CONNECTOR DAMAGE.(

1. IAW D6-36911 REV BZ & WDM 25-63-12 REV 68 REPLACED L3 DOOR FWD EMERGENCY EVAC CONNECTOR, CONDITION CH - [SDR UIEA2025022800182](https://openairdocs.org/sdr/UIEA2025022800182), Mar 1, 2025: BATTERY PACK. NO TEST. FOUND EMERGENCY LIGHT GO OFF LESS THAN 15 MIN DURING TEST AT ZONE A RH SIDE (M7916, M7915).(

1. IAW AMM 33-51-04-902-001-001 REV 112 REPLACED EMER LIGHT POWER - [SDR UIEA2025022800183](https://openairdocs.org/sdr/UIEA2025022800183), Mar 1, 2025: ELT. NO TEST. FOUND INCORRECT A/C NUMBER SHOWS DURING ELT TEST.(

IAW EMTEQ 2-22566-908 REV 22APR2011 REPLACED ELT TRANSMITTER AND PFM ELT SYSTEM TEST, RESULT WAS SATISFACTO - [SDR UIEA2025022800184](https://openairdocs.org/sdr/UIEA2025022800184), Mar 1, 2025: LIGHT. INOPERATIVE. FOUND EMERGENCY LIGHT INOP AT WING TO BODY AREA (COUNT FROM FWD TO AFT, R/H #3, L/H #2).(

IAW AMM 33-31-03-004-034 & 33-51-03-404-007 REV 112 REPLACED AND TES - [SDR UIEA2024031400149](https://openairdocs.org/sdr/UIEA2024031400149), Mar 15, 2024: WARNING MESSAGE. ILLUMINATED. FUEL STAB TRANSFER EICAS CAUTION MSG(

RESET STAB BOOST PUMP CIRCUIT BREAKERS L & R. PERFORMED GROUND TEST OF HORIZONTAL STAB ISOLATION VALVE PER AMM 28-17 - [SDR UIEA2023032900296](https://openairdocs.org/sdr/UIEA2023032900296), Mar 29, 2023: UNKNOWN. UNKNOWN. SKIN CRACK FOUND ON AFT LOWER FUSELAGE R/H SIDE AT STA.1720 /Â S46R.(

ACCOMPLISHED FUSELAGE SKIN REPAIR AT LOWER FUSELAGE R/H SIDE STA 1720 / S46R IAW B747-40 - [SDR UIEA2023021700131](https://openairdocs.org/sdr/UIEA2023021700131), Feb 17, 2023: NONE. NONE. CREW OXYGEN DROPPED FROM 1500-400 PSI IN 7 HOURS(

LEAKING B-NUT FITTING FOUND AT REGULATOR AND RETORQUED IAW AMM 20-51-01, NO CHAN - [SDR UIEA2022112801202](https://openairdocs.org/sdr/UIEA2022112801202), Nov 28, 2022: CIRCUIT CARD. FAILED. FIRE CARGO FWD EICAS MSG. DID CHECKLIST AND DISCHARGED BOTTLE. R & R AFOLT FWD CARGO PRINTED CIRCUIT CARD IAW AMM 26-10-01. OPS CHECKED GOOD. - [SDR UIEA2022062300647](https://openairdocs.org/sdr/UIEA2022062300647), Jul 1, 2022: FLAP. DENTED. RHW T/E I/B MID FLAP L/E FOUND DENT(PERFORMED COMPOSITE HOTBOND REPAIR AS PER SRM 51-70-07 PAR.5A) - [SDR UIEA2022062300648](https://openairdocs.org/sdr/UIEA2022062300648), Jul 1, 2022: FLAP. DELAMINATED. RHW T/E I/B AFT FLAP T/E LOWER SURFACE FOUND DELAMINATION(PERFORMED COMPOSITE HOTBOND REPAIR AS PER SRM 51-70-07 PAR.5A) - [SDR UIEA2022062400651](https://openairdocs.org/sdr/UIEA2022062400651), Jul 1, 2022: SPOILER. DELAMINATED. LHW #6 SPOILER LWR SURFACE I/B UPR CORNER DELAMINATED(PERFORMED METAL HOTBOND REPAIR AS PER SRM 51-70-10 REPAIR4 /FIG202) - [SDR UIEA2022062700671](https://openairdocs.org/sdr/UIEA2022062700671), Jul 1, 2022: SKIN. CRACKED. APU R/H DOOR NO.2 LATCH (COUNT FRONT FWD) EXTERIOR SKIN CUTOUT FOUND CRACKED (NO,2 LATCH CUTOUT SKIN REPAIRED AS PER RI NO: RI-52-49-15711 REV.A) - [SDR UIEA2022062900677](https://openairdocs.org/sdr/UIEA2022062900677), Jul 1, 2022: POWER SUPPLY. INOPERATIVE. CABIN SEAT 9 TO 25 AISLE EMER LIGHT INOP(POWER SUPPLY M7926 REPLACED AND OPERATIONAL CHECK NORMAL IAW AMM 33-51-04) - [SDR UIEA2022062900678](https://openairdocs.org/sdr/UIEA2022062900678), Jul 1, 2022: LIGHT. INOPERATIVE. L/H 4DR DOOR MOUNTED EMER LT INOP(LIGHT ASSY REPLACED AND OPERATION CHECK NORMAL IAW AMM 33-51-06) - [SDR UIEA2022062900679](https://openairdocs.org/sdr/UIEA2022062900679), Jul 1, 2022: POWER SUPPLY. INOPERATIVE. M5934 EMER LIGHT BATTERY PACK CAPACITY CHECK FAIL(M5934 POWER SUPPLY ASSY REPLACED IAW AMM 33-51-04) - [SDR UIEA2022062900680](https://openairdocs.org/sdr/UIEA2022062900680), Jul 1, 2022: LIGHT. INOPERATIVE. LH 5DR DOOR MOUNTED EMER LT INOP(LIGHT ASSY REPLACED AND OPERATION CHECK NORMAL IAW AMM 33-51-06) - [SDR UIEA2022062900681](https://openairdocs.org/sdr/UIEA2022062900681), Jul 1, 2022: POWER SUPPLY. INOPERATIVE. M7918 EMER LIGHT BATTERY PACK CAPACITY CHECK FAIL(M7918 POWER SUPPLY ASSY REPLACED IAW AMM 33-51-04) - [SDR UIEA2022062900682](https://openairdocs.org/sdr/UIEA2022062900682), Jul 1, 2022: LIGHT. INOPERATIVE. R/H 1DR DOOR MOUNTED EMER LT INOP(LIGHT ASSY REPLACED AND OPERATION CHECK NORMAL IAW AMM 33-51-06) - [SDR UIEA2022062900683](https://openairdocs.org/sdr/UIEA2022062900683), Jul 1, 2022: LIGHT. INOPERATIVE. R/H #2 DR, DOOR MOUNTED EMER LT INOP(LIGHT ASSY REPLACED AND OPERATION CHECK NORMAL IAW AMM 33-51-06) - [SDR UIEA2022062900684](https://openairdocs.org/sdr/UIEA2022062900684), Jul 1, 2022: LAMP. INOPERATIVE. R/H OVERWING EMER LT, COUNT FROM LOWER NO.2 LIGHT ASSY 2EA LAMP NOT ILLUM(2EA LAMP REPLACED AND OPERATION CHECK NORMAL IAW AMM 33-51-03) - [SDR UIEA2022062900685](https://openairdocs.org/sdr/UIEA2022062900685), Jul 1, 2022: LIGHT. INOPERATIVE. R/H 4DR, DOOR MOUNTED EMER LT INOP(LIGHT ASSY REPLACED AND OPERATION CHECK NORMAL IAW AMM 33-51-06) - [SDR UIEA2022062900686](https://openairdocs.org/sdr/UIEA2022062900686), Jul 1, 2022: LIGHT. INOPERATIVE. L/H 1DR DOOR MOUNTED EMER LT INOP(LIGHT ASSY REPLACED AND OPERATION CHECK NORMAL IAW AMM 33-51-06) - [SDR UIEA2022062900687](https://openairdocs.org/sdr/UIEA2022062900687), Jul 1, 2022: LAMP. INOPERATIVE. R/H OVERWING EMER LT, COUNT FROM LOWER NO.1 LIGHT ASSY 2EA LAMP INOP(2EA LAMP REPLACED AND OPERATION CHECK NORMAL IAW AMM 33-51-03) - [SDR UIEA2022062900688](https://openairdocs.org/sdr/UIEA2022062900688), Jul 1, 2022: LAMP. INOPERATIVE. L/H 1 DR DOOR SILL EMER LT (L1846) INOP(LAMP REPLACED AND OPERATION CHECK NORMAL IAW AMM 33-51-05) - [SDR UIEA2022062900689](https://openairdocs.org/sdr/UIEA2022062900689), Jul 1, 2022: LIGHT. BROKEN. SEAT 45C INSEAT EMER LIGHT FOUND BROKEN (EMER LIGHT ASSY REPLACED AND LIGHT CHECK OKAY IAW AMM 33-51-12) - [SDR UIEA2022062900690](https://openairdocs.org/sdr/UIEA2022062900690), Jul 1, 2022: LAMP. INOPERATIVE. UPPER DECK STAIRWAY CEILING EMER LT FOUND INOP(LAMP REPLACED AND OPERATION CHECK NORMAL IAW AMM 33-51-04) - [SDR UIEA2022062900691](https://openairdocs.org/sdr/UIEA2022062900691), Jul 1, 2022: LIGHT. BROKEN. SEAT 46C INSEAT EMER LIGHT FOUND BROKEN(EMER LIGHT ASSY REPLACED AND LIGHT CHECK OKAY IAW AMM 33-51-12) - [SDR UIEA2022062900692](https://openairdocs.org/sdr/UIEA2022062900692), Jul 1, 2022: LAMP. INOPERATIVE. CABIN UPPER DECK BETWEEN EMERG EXIT DOOR CEILING LT INOP (LAMP REPLACED AND OPERATION CHECK NORMAL IAW AMM 33-51-07) - [SDR UIEA2022062900693](https://openairdocs.org/sdr/UIEA2022062900693), Jul 1, 2022: LIGHT. INOPERATIVE. R/H 5DR, DOOR MOUNTED EMER LT INOP (LIGHT ASSY REPLACED AND OPERATION CHECK NORMAL IAW AMM 33-51-06) - [SDR UIEA2022062900694](https://openairdocs.org/sdr/UIEA2022062900694), Jul 1, 2022: POWER SUPPLY. INOPERATIVE. CABIN SEAT 47 TO 60 AISLE EMER LIGHT INOP(POWER SUPPLY M7928 REPLACED AND OPERATION CHECK NORMAL IAW AMM 33-51-04) - [SDR UIEA2022062900695](https://openairdocs.org/sdr/UIEA2022062900695), Jul 1, 2022: LIGHT. INOPERATIVE. L/H 2DR, DOOR MOUNTED EMER LT INOP(LIGHT ASSY REPLACED AND OPERATION CHECK NORMAL IAW AMM 33-51-06) - [SDR UIEA2022063000696](https://openairdocs.org/sdr/UIEA2022063000696), Jul 1, 2022: LIGHT. INOPERATIVE. WALL MOUNT FLOOR EMER LIGHT NOT ILLUM AT G5 GALLEY L/H CORRIDOR(WALL MOUNTED FLOOR EMER LIGHT ASSY REPLACED AND LIGHT CHECK 'NORMAL' AS PER AMM 33-51-13) - [SDR UIEA2022063000697](https://openairdocs.org/sdr/UIEA2022063000697), Jul 1, 2022: CONNECTOR. UNSECURE. SEAT 45H TO 53H FLOOR EMER LIGHT NOT ILLUM(CONNECTOR RESECURED AND LIGHT CHECK 'NORMAL' AS PER AMM 33-51-12) - [SDR UIEA2022063000701](https://openairdocs.org/sdr/UIEA2022063000701), Jul 1, 2022: LAMP. INOPERATIVE. L/H 5DR FWD SILL LIGHT NOT ILLUM(LAMP REPLACED AND LIGHT CHECK NORMAL AS PER AMM 33-51-05) - [SDR UIEA2021092502111](https://openairdocs.org/sdr/UIEA2021092502111), Sep 23, 2021: LIGHT. MISSING. E-PATH LIGHT ASSY MISSING ON SEAT 24H(

TRANSFERRED TO DMI 154048 PER MEL 33-21-01-01-01, CAT C, DUE DATE 4 OCT 21.

) All 9,801: https://openairdocs.org/model/boeing-747-422/reports.md ## STCs that may be installed (OpenAirDocs) (699, first 50) Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has. - [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/model/boeing-747-422/stcs.md ## The same model under other registry codes Amateur-built copies and renamed makers get their own codes. - [Boeing 747-446](https://openairdocs.org/model/boeing-747-446): 10 registered aircraft, registry code 13848CJ - [Boeing 747-412](https://openairdocs.org/model/boeing-747-412): 5 registered aircraft, registry code 13848BS - [Boeing 747-409](https://openairdocs.org/model/boeing-747-409): 4 registered aircraft, registry code 13848AU - [Boeing 747-481](https://openairdocs.org/model/boeing-747-481): 3 registered aircraft, registry code 13848ZZ - [Boeing 747-443](https://openairdocs.org/model/boeing-747-443): 2 registered aircraft, registry code 13848BU - [Boeing 747-438](https://openairdocs.org/model/boeing-747-438): 2 registered aircraft, registry code 13848CA - [Boeing 747-428](https://openairdocs.org/model/boeing-747-428): 2 registered aircraft, registry code 138493A - [Boeing 747-400](https://openairdocs.org/model/boeing-747-400): 1 registered aircraft, registry code 13848AT - [Boeing 747-451](https://openairdocs.org/model/boeing-747-451): 1 registered aircraft, registry code 1384940 - [Boeing 747-469](https://openairdocs.org/model/boeing-747-469): 0 registered aircraft, registry code 1384801 - [Boeing 747-444](https://openairdocs.org/model/boeing-747-444): 0 registered aircraft, registry code 13848BC - [Boeing 747-468](https://openairdocs.org/model/boeing-747-468): 0 registered aircraft, registry code 13848BD --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.