# Boeing 747-451 - Type: Aircraft model (FAA registry) - Registry code: 1384940 - Manufacturer (registry): BOEING - Model: 747-451 - Aircraft type: Fixed wing multi engine - Category: Airplane - Engines: 4 · Turbo-fan - Seats: 450 - 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: 1 - Page: https://openairdocs.org/model/boeing-747-451 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-747-451/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 (1) - [N661US](https://openairdocs.org/aircraft/N661US): [Delta Air Lines Inc](https://openairdocs.org/faa-owner/DELTA%20AIR%20LINES%20INC), [Atlanta, GA](https://openairdocs.org/faa-place/GA/Atlanta), built 1989, S/N 23719 ## NTSB investigations (7) 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 ENG17IA026](https://openairdocs.org/ntsb/ENG17IA026), Jun 7, 2017: Boeing 747 451 (N668US), Tokyo, Japan, incident, no damage. Probable cause: The PW4056 engine lost power due to the fatigue fracture of a 5th stage compressor blade. The cause of the fatigue fracture could not be determined. - [NTSB ENG16IA001](https://openairdocs.org/ntsb/ENG16IA001), Oct 2, 2015: Boeing 747 (N662US), Russian airspace, Japan, incident, minor damage. Probable cause: The PW4056 engine experienced an in-flight loss of power because of damage to the low-pressure turbine (LPT) because of the inadequate overhaul inspection and repair instructions that existed at the… - [NTSB ENG14IA027](https://openairdocs.org/ntsb/ENG14IA027), Sep 21, 2014: Boeing 747 (N669US), Atlanta, GA, incident, no damage. Probable cause: Turbine Overhaul Service's aggressive grit blasting and incomplete masking of the blade root neck that allowed the no grit blast area being exposed during the overhaul of the blade resulting in… - [NTSB ENG12IA003](https://openairdocs.org/ntsb/ENG12IA003), Oct 23, 2011: Boeing 747-451 (N661US), Detroit, MI, incident, minor damage. Probable cause: The penetration of turbine blade fragments through the rear turbine case, which punctured the No. 4 bearing oil pressure supply tube, allowing misted oil to contact the hot engine case and ignite the… - [NTSB DCA09WA029](https://openairdocs.org/ntsb/DCA09WA029), Feb 20, 2009: Boeing 747 (N676NW), Tokyo, Japan, no damage - [NTSB ANC03IA001](https://openairdocs.org/ntsb/ANC03IA001), Oct 10, 2002: Boeing 747-400 (N661US), Anchorage, AK, incident, no damage. Probable cause: The fatigue fracture of the lower rudder power control module manifold, which resulted in a lower rudder hardover. - [NTSB DCA01WA045](https://openairdocs.org/ntsb/DCA01WA045), Jun 5, 2001: Boeing B-747-400 (N663US), Tokyo, Japan, incident, minor damage ## FAA accident and incident reports (16) 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 20140320002419I](https://openairdocs.org/incident/20140320002419I), Mar 20, 2014: Boeing 747-451 (N661US), Jamaica, NY, Minor damage. Delta airlines flight 468, aircraft N661US, during passenger boarding, prior to departing from jfk terminal 4, gate C20. A delta global services (dgs) lavatory… - [Accident 20130413007439A](https://openairdocs.org/incident/20130413007439A), Apr 13, 2013: Boeing 747-451 (N667US), Honolulu, HI, No damage. On decent, the aircraft encountered turbulence a few minutes after the aircraft entered a cloud layer. The flight attendants were in the galley and aisles… - [Incident 20121225028449I](https://openairdocs.org/incident/20121225028449I), Dec 25, 2012: Boeing 747-451 (N663US), Anchorage, AK, Substantial damage. From the statement provided from the crew, the PIC was piloting the aircraft during take-off from atl enroute to nrt. The SIC reported hearing a ?thump? When… - [Accident 20120723012239A](https://openairdocs.org/incident/20120723012239A), Jul 23, 2012: Boeing 747-451 (N668US), Tokyo, No damage. Approximately 1 1/2 hours prior to landing a fa was walking the stairs leading from the upper deck to the main cabin. She missed the last 3-4 steps and fell.… - [Incident 20100814048379I](https://openairdocs.org/incident/20100814048379I), Aug 14, 2010: Boeing 747-451 (N671US), Jamaica, NY, Minor damage. Approaching jfk's terminal 3 gate 6 (a partial tow in gate), the aircraft stopped short of the jet bridge. Parking brakes were set. Engines were in the process… - [Incident 20100506033679I](https://openairdocs.org/incident/20100506033679I), May 6, 2010: Boeing 747-451 (N667US), Narita Japan, Minor damage. An outboard engine of a delta air lines B-747-4 made contact with runway 16L at Narita International Airport (rjaa); minor damage was sustained to the engine… - [Accident 20090220009979A](https://openairdocs.org/incident/20090220009979A), Feb 20, 2009: Boeing 747451 (N676NW), Narita, JA, Minor damage. (-23) On February 20, 2009, at 1150 local time, northwest airlines flight 2, at Boeing 747-400, registration N676NW, encountered severe turbulence about 70KM… - [Incident 20080926848249I](https://openairdocs.org/incident/20080926848249I), Sep 26, 2008: Boeing 747451 (N666US), Tokyo, JA, No damage. (-23) Nwa flt #20, on climb-out after retracting flaps at approximately 5,000 feet the aircraft displayed an eicas message "stab trim 3". Shortly after,… - [Incident 20080614849619I](https://openairdocs.org/incident/20080614849619I), Jun 14, 2008: Boeing 747451 (N669US), Manila, RP, Minor damage. (-23) B-747-400, N639US, nwa flight #2, after takeoff from Manila, philippines, the number four engine reverser core cowl liberated. The left core cowl… - [Incident 20080226832919I](https://openairdocs.org/incident/20080226832919I), Feb 26, 2008: Boeing 747451 (N671US), Narita, JA, No damage. (-23) At cruise, smoke was found coming from an oven in galley #2. There were flight attendants in the galley area at the time conducting their duty free… - [Incident 20080214832909I](https://openairdocs.org/incident/20080214832909I), Feb 14, 2008: Boeing 747451 (N663US), Narita, JA, Minor damage. (-23) Flight 1, a B-747-400 operating from Narita, japan to hong kong had a minor fire in the overhead during passenger boarding. After being placed in the… - [Incident 20021009028129I](https://openairdocs.org/incident/20021009028129I), Oct 9, 2002: Boeing 747451 (N661US), Anchorage, AK. (-23) Failure of lower rudder yaw damper actuator caused lower rudder hard over to left during cruise flight. Initially 17.1 degrees left, went to 32.4 degrees… - [Incident 19981031045129I](https://openairdocs.org/incident/19981031045129I), Oct 31, 1998: Boeing 747451 (N105UA), Oneil, NE. (-5) Captain was not feeling well while in cruise between sfo and ord. Doctors on baord diagnosed a heart attack and treated him with nitroglycerin. Medical… - [Accident 19960707028899A](https://openairdocs.org/incident/19960707028899A), Jul 7, 1996: Boeing 747451 (N669US), Detroit, MI, Substantial damage. Narrative: aircraft enroute from dtw to rjaa experienced severe hail climbing out of 18,000 ft. returned to dtw with substantial aircraft damage. Landed… - [Incident 19930320011689I](https://openairdocs.org/incident/19930320011689I), Mar 20, 1993: Boeing 747451 (N663US), Detroit, MI, Minor damage. Struck runway lights on final approach. Found hole in NR4 engine inlet cowl and fan blade damage. - [Incident 19910919041729I](https://openairdocs.org/incident/19910919041729I), Sep 19, 1991: Boeing 747451 (N663US), Narita, JA, Minor damage. Cabin pressure and fire warning on climb out declared emergency. Returned.fire NR2 engine area electic cables arcing ## Service difficulty reports (2,469, newest 50) As reported by operators and repair stations, by the model named in the report. - [SDR DALA2017112008244](https://openairdocs.org/sdr/DALA2017112008244), Nov 18, 2017: WIRE. BROKEN. DURING A SERVICE CHECK, FOUND THE WIRE TO THE EMERGENCY LIGHT AT THE R3 DOOR BROKEN. REMOVED AND REPLACED THE LIGHT ASSY IAW AMM 33-51-12. OPS CHECKED GOOD, OK - [SDR DALA2017103007886](https://openairdocs.org/sdr/DALA2017103007886), Oct 29, 2017: BATTERY PACK. DISCHARGED. UPPER DECK EMERGENCY LIGHTS FWD INOP. REPLACED BATTERY IN PACK M335 PER AMM 33-51-04. - [SDR DALA2017102307776](https://openairdocs.org/sdr/DALA2017102307776), Oct 21, 2017: DOOR. LACK OF LUBE. UPPER DECK DOOR WOULD NOT ARM. CYCLED THE DOOR OPEN & CLOSED AND LUBRICATED THE MECHANISM. OPS CHECKED GOOD. OK FOR SERVICE. - [SDR DALA2017102307741](https://openairdocs.org/sdr/DALA2017102307741), Oct 19, 2017: SWITCH. OUT OF ADJUST. AUTO/MAN DOOR DISPLAY MISSING FOR DOOR 1L ON EICQAS DRS DISPLAY. ADJUSTED DR1 AUTO/MANUAL SWITCH AS PER AMM 52-73-00-805-018, EXERCISED DOOR CLOSING/OPENING-IND - [SDR DALA2017101807633](https://openairdocs.org/sdr/DALA2017101807633), Oct 18, 2017: POWER SUPPLY. INOPERATIVE. EMERGENCY LIGHTS INOPERATIVE 4L, 51 ABC - 60ABC AISLE LIGHTS. REMOVED AND REPLACED THE POWER SUPPLY IAW AMM 33- 51-04, OPS NORMAL. OK FOR SERVICE. - [SDR DALA2017100907381](https://openairdocs.org/sdr/DALA2017100907381), Oct 8, 2017: BATTERY PACK. INOPERATIVE. UPPER DECK DOOR BATTERY LIGHT INOPERATIVE. REMOVED AND REPLACED THE BATTERY PACK IAW AMM 52-14-13, CHECKED GOOD, OK FOR SERVICE. - [SDR DALA2017100907380](https://openairdocs.org/sdr/DALA2017100907380), Oct 6, 2017: BATTERY PACK. INOPERATIVE. DURING A CHECK, FOUND THE RT UPPER DECK DOOR BATTERY OK LIGHT INOPERATIVE. REPLACED THE BATTERY PACK IAW AMM 52-23. BULB AND LENS CHECKED OK. BOTH SYSTEMS CHECK - [SDR DALA2017100507314](https://openairdocs.org/sdr/DALA2017100507314), Oct 3, 2017: LOCK. MISSING. GIRT BAR HANGING FROM L5 DOOR. ON INSPECTION, FOUND THE FWD GIRT LOCK ASSY MISSING. INSTALLED A SERVICEABLE LOCK ASSY AND INSTALLED GIRT BAR IAW JIC 2560-9901-5 - [SDR DALA2017100307275](https://openairdocs.org/sdr/DALA2017100307275), Oct 2, 2017: BATTERY PACK. NOT SEATED. UPPER DECK EMERGENCY EXIT SIGN INOP ABOVE LEFT DOOR. T/S PER FIM 33-51-02. FOUND BATTERY PACK NOT FULLY ENGAGED INTO HOUSING. RESEATED BATTERY PACK, OPS CKS GOO - [SDR DALA2017100307273](https://openairdocs.org/sdr/DALA2017100307273), Oct 2, 2017: BATTERY PACK. DISCHARGED. UPPER DECK DOOR EMERGENCY LIGHTS INOP. REMOVED AND REPLACED BATTERY PACKS M312 AND M7050 PER AMM 33-51-04. OPS CHECKS GOOD. OK FOR SVC. - [SDR DALA2017100407274](https://openairdocs.org/sdr/DALA2017100407274), Oct 1, 2017: MOTOR. ODOR. UPPER DECK GALLEY ELEVATOR MOTOR PRODUCING AN ELECTRICAL SMELL. R&R LIFT CART ACTUATOR WITH ELECTRIC MOTORS PER AMM 25-38-02 OPS CK GOOD WIP 374716 PER AMM 25 3 - [SDR DALA2017100307269](https://openairdocs.org/sdr/DALA2017100307269), Oct 1, 2017: LENS. MISSING. 2R LAV RED LENS AND EMERGENCY LIGHT ASSY MISSING ON FLOOR. REPLACED RED LENS ASSEMBLY AS REQUIRED AT DOOR 2R LAV. OPS CHECK GOOD. - [SDR DALA2017100207215](https://openairdocs.org/sdr/DALA2017100207215), Sep 30, 2017: BATTERY PACK. INOPERATIVE. EMERGENCY LIGHT SIGNS WILL NOT ILLUMINATE DURING TEST. R & R THE BATTERY PACK M312 IAW AMM 33-51. OP CHECKED GOOD. OK FOR SERVICE. - [SDR DALA2017100207214](https://openairdocs.org/sdr/DALA2017100207214), Sep 30, 2017: LIGHT. MISSING. L4 DOOR RED EMERGENCY LIGHT ASSY ON FLOOR MISSING. REPLACED THE EMERGENCY LIGHT IAW AMM 33-51, OPS CHECKED GOOD. - [SDR DALA2017100207213](https://openairdocs.org/sdr/DALA2017100207213), Sep 30, 2017: PIN. UNSECURE. EMERGENCY LIGHTS INOPERATIVE NEAR THE L3 DOOR IN FRONT OF LAVATORIES . SECURED THE PIN ON THE LIGHT . OPS CHECKED GOOD. - [SDR CALA2017093003350](https://openairdocs.org/sdr/CALA2017093003350), Sep 30, 2017: LIGHT. UNSECURE. SEAT 23H - EMERGENCY EXIT PATH LIGHT HANGING OFF SIDE OF SEAT. SECURE EMERGENCY EXIT PATH LIGHT AT SEAT 23H. - [SDR DALA2017092907158](https://openairdocs.org/sdr/DALA2017092907158), Sep 27, 2017: GIRT BAR. UNSECURE. UNABLE TO FULLY OPEN THE L2 DOOR. SECURED GIRT BAR IAW AMDS 2560-9901-26. OPS CHECKED GOOD AND PINS REMOVED. OK FOR SERVICE. - [SDR DALA2017092707112](https://openairdocs.org/sdr/DALA2017092707112), Sep 25, 2017: SWITCH. DIRTY. AFTER TAKEOFF. AN L1 DOOR ALERT MESSAGE ILLUMINATED FOR SEVERAL MINUTES, THEN WENT OUT, NO ABNORMAL SYMPTOMS NOTICED. L1 DOOR MECHANISM AND DOOR WARNING SWITCH - [SDR DALA2017092207018](https://openairdocs.org/sdr/DALA2017092207018), Sep 21, 2017: BATTERY PACK. INOPERATIVE. UPPER DECK ROWS 72 - 75 EMERGENCY LIGHTS INOPERATIVE. R & R THE BATTERY PACK IAW AMM 33-51. OPS CHECKED GOOD. - [SDR DALA2017092006985](https://openairdocs.org/sdr/DALA2017092006985), Sep 20, 2017: BATTERY PACK. INOPERATIVE. FOUND UPPER DECK LT DOOR BATTERY LIGHT INOPERATIVE. REPLACED THE BATTERY PACK. TESTED OK IAW AMM 52-23. - [SDR DALA2017083006454](https://openairdocs.org/sdr/DALA2017083006454), Aug 29, 2017: MECHANISM. DIRTY. UPPER DECK DOOR ON AIRCRAFT LEFT IS DIFFICULT TO ARM. DOOR ARMING HANDLE IS BINDING IN MANUAL POSITION. CLEANED AND LUBRICATE DOOR ARMING MECHANISM, OPS CHK'D N - [SDR DALA2017083006453](https://openairdocs.org/sdr/DALA2017083006453), Aug 25, 2017: FAIRING. CRACKED. FOUND 6 CRACK ON NR 2 ENGINE RT T/R AROUND NR 6 BLOCKER FAIRING. REPLACED DAMAGED FAIRING PER SRM 51-40. REACTIVATED NR 2 ENG REVERSER AND OPS CHECK GOOD. PLACA - [SDR DALA2017082506392](https://openairdocs.org/sdr/DALA2017082506392), Aug 22, 2017: PANEL. MISSING. FOUND MISSING PANEL AND DAMAGED SUPPORT BEAM AT OTBD SIDE OF THE NR 11 KRUEGER FLAP PANEL. DAMAGE WAS OUT OF LIMITS. ACCOMPLISHED SUPPORT BEAM REPAIR IAW ER/A 5 - [SDR DALA2017082206334](https://openairdocs.org/sdr/DALA2017082206334), Aug 21, 2017: SEAL. MISSING. COVER FOR LIFE VEST MISSING THE PIN, CANNOT ATTACH. SECURED COVER AND INSTALLED THE SEAL. CHECKED OK FOR SERVICE. - [SDR DALA2017081706282](https://openairdocs.org/sdr/DALA2017081706282), Aug 16, 2017: BATTERY. DISCHARGED. PREFLIGHT CHECK FOUND U/D LEFT DOOR SLIDE LIGHT TEST NO ILLUMINATE. REMOVED AND REPLACED LIGHT BATTERY PER AMM 33-51. TEST OK AND CHKD NORMAL. - [SDR DALA2017081406243](https://openairdocs.org/sdr/DALA2017081406243), Aug 9, 2017: SWITCH. DIRTY. PRIOR TO DEPARTURE, THE R3 DOOR OPEN INDICATION ON THE EICAS DOOR PAGE. TROUBLESHOT IAW FIM 52-71, TASK 812-818. FOUND SWITCH DIRTY AND HAS EXCESSIVE SEALANT. R - [SDR DALA2017081006122](https://openairdocs.org/sdr/DALA2017081006122), Aug 9, 2017: POWER SUPPLY. INOPERATIVE. RIGHT FWD TWO EXTERIOR EMERGENCY LIGHTS INOPERATIVE. REPLACED THE POWER SUPPLY, CHECKED OK IAW MM 33-51. - [SDR DALA2017081006126](https://openairdocs.org/sdr/DALA2017081006126), Aug 6, 2017: SWITCH. FAILED. EICAS MSG, DOOR R5 ON SHORT FINAL. INTERMITTENT. HAD PLF MSG 52109 DOOR ENTRY R5 SWITCH FAIL. PER FIM 52-71-00-812-820. REPLACED R5 ENTRY DOOR SWITCH S38 IAW AM - [SDR DALA2017080906094](https://openairdocs.org/sdr/DALA2017080906094), Aug 5, 2017: SPRING. BENT. L4 DOOR GIRT BAR AFT SPRING BENT. REMOVED & REPLACED THE GIRT BAR ASSY IAW AMM 2560-9901. - [SDR DALA2017080906093](https://openairdocs.org/sdr/DALA2017080906093), Aug 5, 2017: BRACKET. BROKEN. L4 DOOR AFT CRANK CAM ASSY BRACKET FOR GIRT BAR BROKEN. INSTALLED A NEW BRAKET IAW AMM 52-11. - [SDR DALA2017081006127](https://openairdocs.org/sdr/DALA2017081006127), Aug 3, 2017: PROXIMITY SWITCH. DAMAGED. DOOR 5R ILLUMINATED AFTER TO FOR 15 SECONDS AGAIN ON LANDING FOR A BRIEF MOMENT ACARS TIMES WERE LOST EACH TIME. FOUND SWITCH DAMAGED S1975. REPLACED PROX SWITC - [SDR CALA2017072802404](https://openairdocs.org/sdr/CALA2017072802404), Jul 28, 2017: CONNECTOR. LOOSE. EMERGENCY LIGHT AT SEAT 34 LT IS INOP. CONNECTOR SECURED AT UNDER SEAT 34C AND EMERGENCY LIGHT TEST NORMAL PER AMM TASK33-51-12-712-009-002. OPS CHECKED LIGHTS. - [SDR CALA2017072802403](https://openairdocs.org/sdr/CALA2017072802403), Jul 28, 2017: LIGHT. BROKEN. EMERGENCY AISLE LIGHT AT SEAT 59 LR IS BROKEN AND MISSING HALF OF THE LIGHT. SEAT EMERGENCY PATH LIGHT ASSY REPLACED AND TEST NORMAL PER AMM 33-51-12-332-001-00 - [SDR CALA2017072802402](https://openairdocs.org/sdr/CALA2017072802402), Jul 28, 2017: LIGHT. INOPERATIVE. EMERGENCY AISLE LIGHT AT SEAT 53 RT IS INOP. REPLACED EMERGENCY LIGHT ASSY AT SEAT 53RH IAW SUBTASK 33-51-12-4 22-005-002 AND CKS OK. OPS CHECKED LIGHTS. CHECK - [SDR CALA2017072802401](https://openairdocs.org/sdr/CALA2017072802401), Jul 28, 2017: LIGHT. INOPERATIVE. EMERGENCY AISLE LIGHT AT SEAT 40 RT IS INOP. REPLACED EMERGENCY LIGHT ASSY AT SEAT 40RH IAW SUBTASK 33-51-12-4 22-005-002 AND CKS OK. OPS CHECKED LIGHTS. OPS CH - [SDR DALA2017072105609](https://openairdocs.org/sdr/DALA2017072105609), Jul 19, 2017: TIRE. FAILED. DURING TAKE-OFF, THE NR 11 TIRE BLEW, NO AIRFRAME VIBRATIONS OR ABNORMAL AIRCRAFT INDICATIONS. FLT CONTINUED TO DESTINATION AND WILL DECLARED AN EMERGENCY ON AR - [SDR DALA2017071905542](https://openairdocs.org/sdr/DALA2017071905542), Jul 18, 2017: POWER SUPPLY. INOPERATIVE. EXTERNAL EMERGENCY LIGHT AT LT BODY INOP. REPLACED POWER SUPPLY M7919 IAW AMM 33-51 & OK. - [SDR DALA2017071805539](https://openairdocs.org/sdr/DALA2017071805539), Jul 17, 2017: POWER SUPPLY. INOPERATIVE. RT EXTERIOR EMERGENCY LIGHT WILL NOT TEST. REPLACED THE EMER LIGHT POWER SUPPLY & CHECKED OK. - [SDR DALA2017071805547](https://openairdocs.org/sdr/DALA2017071805547), Jul 17, 2017: DOOR. CRACKED. NR 1 ENG NOSE COWL 6 OCLOCK POS PRESSURE RELIEF DOOR CRACKED. REPLACED THE DOOR ASSY IAW AMM 71-11. - [SDR DALA2017071805541](https://openairdocs.org/sdr/DALA2017071805541), Jul 15, 2017: LIGHT. DISCONNECTED. GALLEY LEFT FLOOR EMERGENCY LIGHTS INOPERATIVE. RECONNECTED LIGHT ASSY & SECURED TESTED IAW MM 33-51. OPS CHECKED OK. - [SDR DALA2017071805540](https://openairdocs.org/sdr/DALA2017071805540), Jul 15, 2017: LAMP. INOPERATIVE. PDC FOUND UPPER DECK LT DOOR BATTERY OK. LIGHT INOPERATIVE. REPLACED THE LAMP. REMOVED AND REPLACED THE BATTERY IAW AMM 52-71. OPS CHECKED NORMAL. - [SDR DALA2017071205401](https://openairdocs.org/sdr/DALA2017071205401), Jul 11, 2017: BATTERY PACK. INOPERATIVE. DURING INSPECTION, FOUND EMERGENCY LIGHTS AT ROW'S 77, 78, AND 79 ARE INOPERATIVE. MAINTENANCE REPLACED THE POWER SUPPLY BATTERY IAW WDM33-51-14, OP CHECKED NOR - [SDR DALA2017071105350](https://openairdocs.org/sdr/DALA2017071105350), Jul 7, 2017: ESCAPE HATCH. UNSECURE. SHORTLY AFTER TAKE-OFF, THE COCKPIT ESCAPE HATCH OPENED AND WILL NOT STAY SHUT CAUSING PRESSURIZATION ISSUES AS WELL. DUMPED FUEL, DECLARED AN EMERGENCY AND RET - [SDR DALA2017070305164](https://openairdocs.org/sdr/DALA2017070305164), Jul 2, 2017: BATTERY PACK. INOPERATIVE. DURING INSPECTION, FOUND EMERGENCY LIGHT OUT AT POSITION 77-79. MAINTENANCE REPLACED THE BATTERY, FUNCTIONAL CHECKED NORMAL IAW AMM 51. - [SDR DALA2017062905056](https://openairdocs.org/sdr/DALA2017062905056), Jun 26, 2017: BATTERY PACK. INOPERATIVE. EMERGENCY LIGHT AT UPPER DECK SEAT 73A-75A, AND RIGHT UPPER DECK DOOR EXIT SIGN INOPERATIVE. REPLACED THE BATTERIES FOR M335 AND M312. OPS CHECKED OK IAW AMM 33 - [SDR DALA2017061204677](https://openairdocs.org/sdr/DALA2017061204677), Jun 9, 2017: ENGINE. FAILED. AIR TURNBACK DURING FLIGHT, THE NUMBER 1 ENGINE STALLED WITH EGT RISE, ENGINE WAS SHUTDOWN. AIRCRAFT RETURNED SAFELY TO DEPARTURE. MAINTENANCE FOUND METAL IN TH - [SDR DALA2017053104393](https://openairdocs.org/sdr/DALA2017053104393), May 30, 2017: LIGHT. INOPERATIVE. BOTH EXTERNAL EMERGENCY LIGHTS OUT ABOVE ADF ANTENNA PLACARD RT SIDE. RELAMPED CKS GOOD REF AMM 33-51. - [SDR DALA2017053104392](https://openairdocs.org/sdr/DALA2017053104392), May 30, 2017: LIGHT. INOPERATIVE. EXTERNAL EMERGENCY LIGHTS OUT BOTH AT LT SIDE AT TE FLAP. RELAMPED CKS GOOD REF AMM 33-51. - [SDR DALA2017053004340](https://openairdocs.org/sdr/DALA2017053004340), May 27, 2017: LIGHT. BROKEN. EMERGENCY LIGHT AT 28K BROKEN. SECURED THE LIGHT ASSY. - [SDR DALA2017052604243](https://openairdocs.org/sdr/DALA2017052604243), May 25, 2017: ACTUATOR. MALFUNCTIONED. NR 5 L/E SLAT WAS FOUND DAMAGED DURING EXTENSION. REMOVED VARIABLE CAMBER FLAP IAW AMM 27-81-01-004-001. REMOVED DAMAGED ROTARY ACTUATORS IAW AMM 27-81-07-004-0 All 2,469: https://openairdocs.org/model/boeing-747-451/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-747-451/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 747-422](https://openairdocs.org/model/boeing-747-422): 8 registered aircraft, registry code 1384935 - [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 747-469](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.