# N661US: 1989 Boeing 747-451

- Status: Valid registration
- Airframe: [Boeing 747-451](https://openairdocs.org/model/boeing-747-451) (registry code 1384940, 450 seats)
- Engine: [Pratt & Whitney PW4000 series](https://openairdocs.org/engine/pratt-whitney-pw4000-series) (registry code 52119)
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE) (The Boeing Company) (OpenAirDocs)
- Serial number: 23719
- Year built: 1989
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: December 8, 1989
- Certificate issued: February 22, 2024
- Expires: February 28, 2031
- Mode S code: A8B9C3
- Registered owner: [Delta Air Lines Inc](https://openairdocs.org/faa-owner/DELTA%20AIR%20LINES%20INC)
- Location: [Atlanta, GA](https://openairdocs.org/faa-place/GA/Atlanta)
- Owner type: Corporation
- Owner's area on the map: 33.6604° N, 84.3865° W: Placed by OpenAirDocs at the center of ZIP code 30354, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=661US
- Page: https://openairdocs.org/aircraft/N661US

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. The registry lists only the engine series, so ADs for every Pratt & Whitney PW4000 model are included.

## ADs that may apply (OpenAirDocs): 544 in force

### Matched by airframe (Boeing 747-451)

- [AD 2026-10-14](https://openairdocs.org/ad/2026-10-14): Communications system · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Jul 6, 2026
- [AD 2026-13-14](https://openairdocs.org/ad/2026-13-14): Navigation · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 7 more. Effective Jul 1, 2026
- [AD 2026-13-02](https://openairdocs.org/ad/2026-13-02): Navigation · Airbus Canada Limited Partnership 18, 49-46, 80-A and 555 more. Effective Jul 1, 2026
- [AD 2026-08-06](https://openairdocs.org/ad/2026-08-06): Oxygen · Boeing 747-400 Series with STC ST01676SE or ST01706SE. Effective May 7, 2026
- [AD 2025-15-07](https://openairdocs.org/ad/2025-15-07): Equipment/furnishings · Boeing 747-8 Series, 747-8F Series, 747-200B Series and 6 more. Effective Aug 13, 2025
- [AD 2025-09-08](https://openairdocs.org/ad/2025-09-08): Stabilizers · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 11 more. Effective May 5, 2025
- [AD 2025-03-10](https://openairdocs.org/ad/2025-03-10): Water/waste · Boeing 747-400 Series, 747-400F Series, 747-8F Series and 1 more. Effective Mar 21, 2025
- [AD 2025-02-07](https://openairdocs.org/ad/2025-02-07): Navigation · Modification of Rockwell Collins, Inc. Multi-Mode Receiver (STC ST01883WI or 4 others). Effective Mar 17, 2025
- [AD 2025-02-05](https://openairdocs.org/ad/2025-02-05): Landing gear · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Mar 17, 2025
- [AD 2024-19-01](https://openairdocs.org/ad/2024-19-01): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Nov 15, 2024
- [AD 2023-23-14](https://openairdocs.org/ad/2023-23-14): Fuel · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 11 more. Effective Dec 15, 2023
- [AD 2023-18-06](https://openairdocs.org/ad/2023-18-06): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 8 more. Effective Nov 7, 2023
- [AD 2023-12-14](https://openairdocs.org/ad/2023-12-14): Navigation · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 7 more. Effective Jun 21, 2023
- [AD 2023-10-02](https://openairdocs.org/ad/2023-10-02): Indicating/Recording System, Navigation · Boeing 18, 23, 35 and 1,060 more. Effective May 26, 2023
- [AD 2023-07-09](https://openairdocs.org/ad/2023-07-09): Fuel · Boeing 747-400 Series and 747-8 Series. Effective May 1, 2023
- [AD 2023-03-20](https://openairdocs.org/ad/2023-03-20): Fuel · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective May 1, 2023
- [AD 2023-03-15](https://openairdocs.org/ad/2023-03-15): Air conditioning · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Apr 14, 2023
- [AD 2022-24-15](https://openairdocs.org/ad/2022-24-15): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 11 more. Effective Jan 26, 2023
- [AD 2022-25-04](https://openairdocs.org/ad/2022-25-04): Equipment/Furnishings · Boeing 747-400 Series and 747-8 Series. Effective Jan 20, 2023
- [AD 2022-23-12](https://openairdocs.org/ad/2022-23-12): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Jan 4, 2023
- [AD 2022-15-07](https://openairdocs.org/ad/2022-15-07): Navigation · Boeing 747-400 Series. Effective Sep 15, 2022
- [AD 2022-13-18](https://openairdocs.org/ad/2022-13-18): Oxygen · Boeing 737-700 Series, 737-800 Series, 747-8 Series and 3 more. Effective Sep 15, 2022
- [AD 2022-10-11](https://openairdocs.org/ad/2022-10-11): Fuel, Wings · Boeing 747-100B SUD Series, 747-200B Series, 747-200C Series and 6 more. Effective Jul 11, 2022
- [AD 2021-26-10](https://openairdocs.org/ad/2021-26-10): Equipment/Furnishings · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Feb 22, 2022
- [AD 2021-17-06](https://openairdocs.org/ad/2021-17-06): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Oct 5, 2021
- [AD 2021-14-10](https://openairdocs.org/ad/2021-14-10): Equipment/furnishings · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Aug 19, 2021
- [AD 2021-08-04](https://openairdocs.org/ad/2021-08-04): Oxygen · Boeing 737-200 Series, 737-300 Series, 737-400 Series and 23 more. Effective May 26, 2021
- [AD 2021-06-10](https://openairdocs.org/ad/2021-06-10): Fuel · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 16 more. Effective Apr 28, 2021
- [AD 2020-21-16](https://openairdocs.org/ad/2020-21-16): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Jan 14, 2021
- [AD 2020-18-02](https://openairdocs.org/ad/2020-18-02): Fuel · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Nov 10, 2020
- [AD 2020-15-14](https://openairdocs.org/ad/2020-15-14): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Sep 3, 2020
- [AD 2020-14-02](https://openairdocs.org/ad/2020-14-02): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Jul 28, 2020
- [AD 2020-07-14](https://openairdocs.org/ad/2020-07-14): Fuel · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective May 18, 2020
- [AD 2020-04-11](https://openairdocs.org/ad/2020-04-11): Fuselage · Boeing 747-400 Series. Effective Apr 13, 2020
- [AD 2019-19-02](https://openairdocs.org/ad/2019-19-02): Fuselage · Boeing 747-400 Series and 747-400F Series. Effective Nov 27, 2019
- [AD 2018-23-12](https://openairdocs.org/ad/2018-23-12): Equipment/furnishings · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 180 more. Effective Dec 28, 2018
- [AD 2018-19-23](https://openairdocs.org/ad/2018-19-23): Doors · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 15 more. Effective Nov 7, 2018
- [AD 2018-16-06](https://openairdocs.org/ad/2018-16-06): Equipment/furnishings; 53, Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Sep 12, 2018
- [AD 2018-09-12](https://openairdocs.org/ad/2018-09-12): Oxygen · Boeing 747-200B Series, 747-300 Series and 747-400 Series. Effective May 30, 2018
- [AD 2018-04-07](https://openairdocs.org/ad/2018-04-07): Fuselage; Nacelles/Pylons; Stabilizers; Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Mar 30, 2018
- [AD 2017-22-10](https://openairdocs.org/ad/2017-22-10): Equipment/furnishings · Boeing 747-400 Series, 747-400F Series and 747-8F Series. Effective Dec 29, 2017
- [AD 2017-18-06](https://openairdocs.org/ad/2017-18-06): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Oct 5, 2017
- [AD 2017-09-10](https://openairdocs.org/ad/2017-09-10): Wings · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Jun 27, 2017
- [AD 2017-02-09](https://openairdocs.org/ad/2017-02-09): Fuselage · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Mar 17, 2017
- [AD 2017-02-04](https://openairdocs.org/ad/2017-02-04): Nacelles/pylons · Boeing 747-200B Series, 747-300 Series, 747-400 Series and 2 more. Effective Mar 14, 2017
- [AD 2016-26-07](https://openairdocs.org/ad/2016-26-07): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Feb 15, 2017
- [AD 2016-25-01](https://openairdocs.org/ad/2016-25-01): Auto flight · Boeing 747-400 Series, 747-400D Series, 747-400F Series and 8 more. Effective Jan 31, 2017
- [AD 2016-25-05](https://openairdocs.org/ad/2016-25-05): Stabilizers · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Jan 25, 2017
- [AD 2016-25-09](https://openairdocs.org/ad/2016-25-09): Fuselage · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Jan 17, 2017
- [AD 2016-19-12](https://openairdocs.org/ad/2016-19-12): Fuel · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Nov 14, 2016

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

None in force.

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

- [AD 2025-01-08](https://openairdocs.org/ad/2025-01-08) (historical): Equipment/furnishings · Boeing 747-200B Series, 747-200C Series, 747-200F Series and 6 more. Effective Mar 19, 2025
- [AD 2022-27-07](https://openairdocs.org/ad/2022-27-07) (historical): Fuel · Boeing 747-400 Series and 747-8 Series. Effective Jan 13, 2023
- [AD 2022-06-16](https://openairdocs.org/ad/2022-06-16) (historical): Navigation · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 7 more. Effective Mar 16, 2022
- [AD 2021-07-09](https://openairdocs.org/ad/2021-07-09) (historical): Air conditioning · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective May 12, 2021
- [AD 2021-02-15](https://openairdocs.org/ad/2021-02-15) (historical): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 8 more. Effective Mar 30, 2021
- [AD 2020-03-20](https://openairdocs.org/ad/2020-03-20) (historical): Navigation · Modification of Rockwell Collins, Inc. Multi-Mode Receiver (STC ST01883WI or 4 others). Effective Feb 18, 2020
- [AD 2019-22-02](https://openairdocs.org/ad/2019-22-02) (historical): Equipment/ furnishings · Boeing 747-200B Series, 747-200C Series, 747-200F Series and 6 more. Effective Jan 16, 2020
- [AD 2017-18-05](https://openairdocs.org/ad/2017-18-05) (historical): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Oct 5, 2017
- [AD 2015-13-06](https://openairdocs.org/ad/2015-13-06) (historical): Fuselage · Boeing 747-400 Series and 747-400F Series. Effective Sep 1, 2015
- [AD 2014-07-01](https://openairdocs.org/ad/2014-07-01) (historical): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Jun 3, 2014
- [AD 2013-22-11](https://openairdocs.org/ad/2013-22-11) (historical): Fuselage · Boeing 747-400 Series and 747-400D Series. Effective Dec 10, 2013
- [AD 2013-23-03](https://openairdocs.org/ad/2013-23-03) (historical): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 8 more. Effective Nov 29, 2013
- [AD 2013-18-09](https://openairdocs.org/ad/2013-18-09) (historical): Communications · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 137 more. Effective Oct 3, 2013
- [AD 2013-14-05](https://openairdocs.org/ad/2013-14-05) (historical): Fuselage · Boeing 747-400 Series and 747-400F Series. Effective Aug 26, 2013
- [AD 2013-01-02](https://openairdocs.org/ad/2013-01-02) (historical): Doors · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 12 more. Effective Feb 22, 2013
- [AD 2012-24-10](https://openairdocs.org/ad/2012-24-10) (historical): Air Conditioning · Boeing 747-400 Series and 747-400F Series. Effective Jan 16, 2013
- [AD 2012-22-02](https://openairdocs.org/ad/2012-22-02) (historical): Fuselage · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Dec 26, 2012
- [AD 2012-15-13](https://openairdocs.org/ad/2012-15-13) (historical): Fuselage · Boeing 747-100B SUD Series, 747-200B Series, 747-300 Series and 2 more. Effective Sep 12, 2012
- [AD 2012-05-03](https://openairdocs.org/ad/2012-05-03) (historical): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Apr 24, 2012
- [AD 2010-26-10](https://openairdocs.org/ad/2010-26-10) (historical): Fuselage · Boeing 747-200C Series, 747-200F Series, 747-400 Series and 2 more. Effective Feb 1, 2011
- [AD 2010-20-08](https://openairdocs.org/ad/2010-20-08) (historical): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 8 more. Effective Nov 9, 2010
- [AD 2009-21-10](https://openairdocs.org/ad/2009-21-10) (historical): Oxygen · Airbus A300, Model B4-605R, A300, Model B4-620, A300, Model B4-622 and 138 more. Effective Dec 17, 2009
- [AD 2009-22-08](https://openairdocs.org/ad/2009-22-08) (historical): Control switches · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 12 more. Effective Dec 3, 2009
- [AD 2009-14-02](https://openairdocs.org/ad/2009-14-02) (historical): Vertical stabilizer seal and fuselage skin · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Aug 3, 2009
- [AD 2009-10-06](https://openairdocs.org/ad/2009-10-06) (historical): Air Transport Association (ATA) of America Code 27: Flight controls. · Boeing 747-400 Series and 747-400D Series. Effective Jun 9, 2009
- [AD 2009-06-02](https://openairdocs.org/ad/2009-06-02) (historical): Detect and correct cracks in the fuselage skin that can propagate and grow, resulting in a loss of structural integrity and a sudden decompression of the airplane during flight. · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 7 more. Effective Apr 20, 2009
- [AD 2008-10-06](https://openairdocs.org/ad/2008-10-06) (historical): Fuel tank systems · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Jun 12, 2008
- [AD 2008-08-25](https://openairdocs.org/ad/2008-08-25) (historical): Main equipment center · Boeing 747-400 Series and 747-400F Series. Effective May 27, 2008
- [AD 2007-23-18](https://openairdocs.org/ad/2007-23-18) (historical): Tension ties · Boeing 747-100B SUD Series, 747-200B Series, 747-300 Series and 2 more. Effective Nov 28, 2007
- [AD 2007-16-08](https://openairdocs.org/ad/2007-16-08) (historical): Cracking of the station 800 frame assembly · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 6 more. Effective Sep 13, 2007
- [AD 2007-15-10](https://openairdocs.org/ad/2007-15-10) (historical): No. 2 and No. 3 windows · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Sep 4, 2007
- [AD 2007-16-19](https://openairdocs.org/ad/2007-16-19) (historical): Aft tension tie channels at four station locations · Boeing 747-200B Series, 747-300 Series and 747-400 Series. Effective Aug 28, 2007
- [AD 2007-07-03](https://openairdocs.org/ad/2007-07-03) (historical): Trim air diffuser ducts or sidewall riser duct assemblies · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective May 2, 2007
- [AD 2006-22-15](https://openairdocs.org/ad/2006-22-15) (historical): Nose wheel well (NWW) · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Dec 11, 2006
- [AD 2006-18-17](https://openairdocs.org/ad/2006-18-17) (historical): Yaw damper actuator portion of the upper and lower rudder power control modules (PCMs) · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Oct 13, 2006
- [AD 2006-12-12](https://openairdocs.org/ad/2006-12-12) (historical): Station 800 frame assembly · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 6 more. Effective Jul 17, 2006
- [AD 2006-12-10](https://openairdocs.org/ad/2006-12-10) (historical): Support bracket of the crew oxygen cylinder · Boeing 747-400 Series. Effective Jul 17, 2006
- [AD 2006-10-04](https://openairdocs.org/ad/2006-10-04) (historical): Left and right longeron extension fittings · Boeing 747-200B Series, 747-200C Series, 747-200F Series and 3 more. Effective Jun 16, 2006
- [AD 2006-09-06](https://openairdocs.org/ad/2006-09-06) (historical): Lower lobe fuselage frames · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 5 more. Effective Jun 7, 2006
- [AD 2006-06-11](https://openairdocs.org/ad/2006-06-11) (historical): Fasteners in the tension ties · Boeing 747-100B SUD Series, 747-200B Series, 747-300 Series and 2 more. Effective Apr 26, 2006
- [AD 2006-05-09](https://openairdocs.org/ad/2006-05-09) (historical): Lap joints of the fuselage skin · Boeing 747-200C Series, 747-200F Series, 747-400 Series and 2 more. Effective Apr 13, 2006
- [AD 2006-05-06](https://openairdocs.org/ad/2006-05-06) (historical): Body station (BS) 2598 bulkhead · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Apr 13, 2006
- [AD 2006-05-02](https://openairdocs.org/ad/2006-05-02) (historical): Fuselage internal structure · Boeing 747-200C Series, 747-200F Series, 747-400 Series and 2 more. Effective Apr 6, 2006
- [AD 2005-16-06](https://openairdocs.org/ad/2005-16-06) (historical): Escape slides/rafts. · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Sep 13, 2005
- [AD 2005-15-08](https://openairdocs.org/ad/2005-15-08) (historical): Fuselage stringers · Boeing 747-100B Series, 747-200B Series, 747-300 Series and 2 more. Effective Aug 30, 2005
- [AD 2005-01-09](https://openairdocs.org/ad/2005-01-09) (historical): Frame Web and Inner Chords on Forward Edge Frame of Number 5 Main Entry Door Cutout · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 8 more. Effective Feb 11, 2005
- [AD 2003-23-01](https://openairdocs.org/ad/2003-23-01) (historical): Yaw damper actuator · Boeing 747-400 Series, 747-400D Series and 747-400F Series. Effective Dec 18, 2003
- [AD 2003-19-08](https://openairdocs.org/ad/2003-19-08) (historical): Discrepancies of Forward and Aft Sides of Body Station 2598 Bulkhead · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Oct 27, 2003
- [AD 2003-20-08](https://openairdocs.org/ad/2003-20-08) (historical): Shoulder restraint harness · Boeing 747-100B Series, 747-200B Series, 747-200C Series and 8 more. Effective Oct 21, 2003
- [AD 2003-13-09](https://openairdocs.org/ad/2003-13-09) (historical): Horizontal stabilizer and rear spar structure · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Jul 15, 2003

All 622: https://openairdocs.org/aircraft/N661US/ads.md

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

- [SAIB AIR-20-18](https://openairdocs.org/saib/AIR-20-18): Flight Management Computing Software System. Issued Nov 16, 2020
- [SAIB NM-20-07](https://openairdocs.org/saib/NM-20-07): Navigation - Glideslope System. Issued Apr 16, 2020
- [SAIB NM-18-33](https://openairdocs.org/saib/NM-18-33): Engine Fuel and Control. Issued Dec 17, 2018
- [SAIB NM-17-10](https://openairdocs.org/saib/NM-17-10): Maintenance Practices. Issued Apr 13, 2017
- [SAIB NM-15-03](https://openairdocs.org/saib/NM-15-03): Flight Controls. Issued Nov 24, 2014
- [SAIB NM-15-02](https://openairdocs.org/saib/NM-15-02): Cabin Equipment/Furnishings. Issued Nov 6, 2014
- [SAIB NM-12-40](https://openairdocs.org/saib/NM-12-40): External Power System Connector. Issued Aug 3, 2012
- [SAIB NM-09-27](https://openairdocs.org/saib/NM-09-27): Equipment/Furnishings:  In-flight access to Class E cargo compartments. Issued May 12, 2009
- [SAIB NM-09-03](https://openairdocs.org/saib/NM-09-03): Engine Fuel and Control - Implementing Fuel Tank System Airworthiness Limitations. Issued Dec 11, 2008
- [SAIB NM-06-57](https://openairdocs.org/saib/NM-06-57): Reports of damage to airplanes and to property on the ground caused by blue or clear ice falling from airplanes.. Issued Jul 27, 2006
- [SAIB ANM-99-29](https://openairdocs.org/saib/ANM-99-29): . Issued Jul 2, 1999

## NTSB investigations (2)

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 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 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.

## FAA accident and incident reports (2)

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…
- [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…

## Service difficulty reports (149, newest 50)

As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR DALA2015042902961](https://openairdocs.org/sdr/DALA2015042902961), Apr 28, 2015: BATTERY PACK. INOPERATIVE. EMERGENCY LIGHT IN UPPER DECK FWD HALF SECTION INOPERATIVE. REPLACED EMERGENCY LIGHT BATTERY PACK WITH KNOWN GOOD UNIT FOR POS UNIT M335, M312 AND M7052. REF AM
- [SDR DALA2014102805789](https://openairdocs.org/sdr/DALA2014102805789), Oct 27, 2014: LIGHT. INOPERATIVE. R2 DOOR EMERGENCY LIGHT INOPERATIVE. R & R THE EMERGENCY LIGHT.
- [SDR DALA14000036301](https://openairdocs.org/sdr/DALA14000036301), Jan 1, 2014: POWER SUPPLY. INOPERATIVE. FOUND FOUR EMERGENCY OVERWING LIGHT AT RT WING AREA OUT. REPLACED POWER SUPPLY. CHECKED NORMAL IAW AMM 33-51.
- [SDR DALA13060876301](https://openairdocs.org/sdr/DALA13060876301), Nov 14, 2013: FRAME. CRACKED. CRACK ON THE AFT OUTER ANGLE OF BULKHEAD BS 2598 BETWEEN S9-11R. REPAIRED IAW ERA 518823-14AD REV ORIGINAL.
- [SDR DALA13060486301](https://openairdocs.org/sdr/DALA13060486301), Nov 13, 2013: STRUCTURE. CRACKED. CRACK FOUND AT HOLE LOCATION F ON LEFT BS 1265. REPAIRED IAW ERA518840-14AD REV ORIGINAL.
- [SDR DALA13060476301](https://openairdocs.org/sdr/DALA13060476301), Nov 13, 2013: STRUCTURE. CRACKED. CRACK FOUND AT HOLE LOACTION B ON LEFT BS 1265, REPAIRED IAW ERA518840-14AD REV ORIGINAL .
- [SDR DALA13059786301](https://openairdocs.org/sdr/DALA13059786301), Nov 11, 2013: SKIN. CANNING. OIL CANNING EXTERIOR FUSELAGE SKIN BS 2658 TO 2680. SKIN REPAIRED IAW ERA518829-14 REV ORIGINAL.
- [SDR DALA13059776301](https://openairdocs.org/sdr/DALA13059776301), Nov 11, 2013: SEAT TRACK. CORRODED. SEAT TRACK BS 980, RBL 11 FOUND CORRODED. SEAT TRACK REPAIRED IAW ERA518841-14 REV ORIGINAL.
- [SDR DALA13059766301](https://openairdocs.org/sdr/DALA13059766301), Nov 11, 2013: FRAME. CRACKED. A CRACK FOUND ON FRAME AT BS 1120 DURING OPEN HOLE HFEC. FRAME REPAIRED IAW SRM 53-40-07 REPAIR 1.
- [SDR DALA13058506301](https://openairdocs.org/sdr/DALA13058506301), Nov 5, 2013: FRAME. CRACKED. A CRACK WAS FOUND ON FRAME BS 1180 DURING OPEN HOLE HFEC. FRAME REPAIRED SRM 53-40-07 REPAIR 4.
- [SDR DALA13058496301](https://openairdocs.org/sdr/DALA13058496301), Nov 5, 2013: FRAME. CRACKED. A CRACK FOUND ON FRAME DURING AN OPEN HOLE HFEC. BS 1180 FRAME REPAIRED AS PER SRM 53-40-07 REPAIR 4.
- [SDR DALA13061206301](https://openairdocs.org/sdr/DALA13061206301), Nov 4, 2013: STRINGER. CRACKED. FWD CARGO BAY STRINGER 42L BS 480-500 CRACKED. REPAIRED IAW SRM 53-00-03 REPAIR 4. HFEC INSPECTION FOUND NO CRACKS IAW NDT PART 6 51-00-00 FIG 23.
- [SDR DALA13061196301](https://openairdocs.org/sdr/DALA13061196301), Nov 4, 2013: STRINGER. CRACKED. FWD CARGO BAY STRINGER 42L BS 480-500 CRACKED. REPAIRED STRINGER IAW SRM 53-00-03 REPAIR 4. HFEC INSPECTION FOUND NO CRACKS IAW NDT PART 6 51-00-00 FIG23.
- [SDR DALA13061186301](https://openairdocs.org/sdr/DALA13061186301), Nov 4, 2013: CHANNEL. CRACKED. CRACK FOUND ON FWD CHANNEL BS 1180. REPAIRED CHANNEL IAW SRM 53-40-30 REPAIR 2.
- [SDR DALA13058456301](https://openairdocs.org/sdr/DALA13058456301), Nov 4, 2013: STRINGER. CORRODED. CORROSION BS 1480 STRINGER 31L. STRINGER REMOVED IAW SRM 51-10-02, FOUND WITHIN ALLOWABLE DAMAGE LIMITS IAW SRM 53-60-12 FIG 101 REWORK AREA FLAP PEENED PER SOP
- [SDR DALA13061176301](https://openairdocs.org/sdr/DALA13061176301), Oct 29, 2013: FLOORBEAM. CORRODED. FLOORBEAM BS 500 BL 0- LBL 11, UNDER FLOOR PANEL. FLOORBEAM REPAIRED IAW SRM 53-10-51 REPAIR 1 FIG 201.
- [SDR DALA13056256301](https://openairdocs.org/sdr/DALA13056256301), Oct 28, 2013: LOCK FASTENER. MISINSTALLED. LOCK FASTENER COLLARS INSTALLED FLUSH WITH NO THREADS SHOWING. LOCK FASTENER SCREWED INTO ADJACENT COLLARS. AII THE DISCREPENCIES CORRECTED IAW SRM 51-10-02 AND
- [SDR DALA13053376301](https://openairdocs.org/sdr/DALA13053376301), Oct 20, 2013: WEB. DAMAGED. CRACKED WEB, BS 1394, RBL 98.58-127.75. DAMAGED WEB REPLACED IAW SRM51-40-02.
- [SDR DALA13053366301](https://openairdocs.org/sdr/DALA13053366301), Oct 20, 2013: WEB. DAMAGED. CRACKED WEB, BS 1394, LBL 98.58- 127.75, DAMAGED WEB REPLACED IAW SRM51-40-02.
- [SDR DALA13053356301](https://openairdocs.org/sdr/DALA13053356301), Oct 20, 2013: SEAT TRACK. CORRODED. CORROSION ON SEAT TRACK BS 2260-2270, LBL33, WL199.8. CORROSION REMOVED AND REPAIRED IAW SRM 53-00-52, REPAIR 9.
- [SDR DALA13061166301](https://openairdocs.org/sdr/DALA13061166301), Oct 12, 2013: FLOORBEAM. CORRODED. FLOORBEAM BS 520 LBL 11-20 WL 199.8 CORRDED. FLOORBEAM REPAIRED IAW SRM 53-10-51 REPAIR 1.
- [SDR DALA13027146301](https://openairdocs.org/sdr/DALA13027146301), Jun 4, 2013: SKIN. CRACKED. NR 1 ENGINE PYLON INTERNAL SKIN CRACKED OTB SIDE AT ACCESS PANEL 452EL. COMPLETED REPAIR IAW PRI 515480-14, REV 0 AND REV 1 AND ERA 515480 -14, REV ORIG.
- [SDR DALA13027136301](https://openairdocs.org/sdr/DALA13027136301), Jun 4, 2013: BUSHING. MIGRATED. BUSHING MIGRATED NR 1 ENGINE PYLON UPPER LINK OTBD ATTACH LUG. REPAIRED IAW ERA 515481-14AD, REV ORIG.
- [SDR DALA13027116301](https://openairdocs.org/sdr/DALA13027116301), Jun 4, 2013: BULKHEAD. DAMAGED. NR 1 PYLON BULKHEAD HAS SHEARED FASTENER. REPAIRED IAW ERA 515163-14, REV ORIG PERM REPAIR.
- [SDR DALA13026656301](https://openairdocs.org/sdr/DALA13026656301), Jun 2, 2013: BULKHEAD. DAMAGED. NR 4 ENGINE PYLON BULKHEAD HAS SEVERAL SHEARED FASTENERS. REPAIRED IAW ERA 515110-14, REV ORIG PERMANENT REPAIR
- [SDR DALA13012356301](https://openairdocs.org/sdr/DALA13012356301), Mar 17, 2013: CONNECTOR. UNSECURE. DURING A MX VISIT, THE EMERGENCY EXIT SIGN AT ROW 41 WAS FOUND TO BE INOPERATIVE. MX RECONNECT AND SECURED THE SIGN ELECTRIC PLUG AND REPLACED LAMP. SYS OPERATI
- [SDR DALA12016726301](https://openairdocs.org/sdr/DALA12016726301), Dec 14, 2012: BATTERY. INOPERATIVE. DURING EMERGENCY LIGHT TEST, LIGHT AT DOOR 3R INOPERATIVE. SECURED BATTERY LOCK FOR DOOR 3R LIGHT. OPS CHECKED GOOD.
- [SDR DALA12004566301](https://openairdocs.org/sdr/DALA12004566301), Aug 5, 2012: FUSE. INOPERATIVE. DURING INSPECTION, FOUND RIGHT OVERWING EMERGENCY LIGHT INOPERATIVE. MAINTENANCE REPLACED FUSE. OPS CHECKED OK PER AMM 33-51.
- [SDR DALA12001746301](https://openairdocs.org/sdr/DALA12001746301), Jun 15, 2012: BATTERY PACK. INOPERATIVE. DURING TESTING FOUND LEFT DOOR EXIT LIGHT WILL NOT ILLUMINATE. MAINTENANCE REPLACED BATTERY PER AMM 33-51-04. OPS CHECKED OK.
- [SDR DALA12001946301](https://openairdocs.org/sdr/DALA12001946301), Jun 14, 2012: PANEL. SEPARATED. DURING WALKAROUND INSPECTION, FOUND PYLON PANEL FROM NUMBER 3 ENG INBEDED INTO NUMBER 4 ENG LEFT FAN COWL. MAINTENANCE REPAIRED DAMAGE PER ERA 504512.
- [SDR DALA1232766301](https://openairdocs.org/sdr/DALA1232766301), May 16, 2012: STRUCTURE. CRACKED. DURING INSPECTION, A CRACK WAS FOUND ON THE NR 3 RIGHT MAIN ENTRY DOOR, UPPER AFT CORNER, ER/A 502641-14AD SECTION I WAS ACCOMPLISHED.
- [SDR DALA1233076301](https://openairdocs.org/sdr/DALA1233076301), Apr 27, 2012: SKIN. CRACKED. DURING INSPECTION, FOUND CRACK ON SKIN SURFACE AT UPPER AFT CORNER OF NUMBER 3 DOOR. MAINTENANCE REPAIRED AS PER SRM 53-40-01 FIG 201 REPAIR 1 AND PRI 502641-14
- [SDR DALA1226166301](https://openairdocs.org/sdr/DALA1226166301), Apr 24, 2012: SKIN. CRACKED. DURING SURFACE INSPECTION ON R3 DOOR CUTOUT UPPER AFT CORNER. FOUND CRACK INDICATION ON FUSELAGE SKIN AREA. REPAIRED PER SRM 53-40-01, FIGURE 201, REPAIR 1.
- [SDR DALA1225816301](https://openairdocs.org/sdr/DALA1225816301), Apr 20, 2012: BULKHEAD. CORRODED. DURING INSPECTION, MAINTENANCE FOUND CORROSION AT FORWARD CARGO BS 1000 BULKHEAD LOWER CHORD AREA LEFT SIDE BETWEEN STRINGERS S-46 AND S-47. DEFERRED.
- [SDR DALA1225376301](https://openairdocs.org/sdr/DALA1225376301), Apr 19, 2012: SKIN. CRACKED. DURING INSPECTION, MAINTENANCE FOUND CRACK APPROXIMATELY 1.7 INCHES LENGTH ON THE LEFT SIDE FUSELAGE SKIN VERT STAB UPPER LOBE DOUBLER, BS 2521. CRACK REPAIRED 
- [SDR DALA1211726301](https://openairdocs.org/sdr/DALA1211726301), Feb 27, 2012: FUSE. DEFECTIVE. DURING A MAINTENANCE VISIT, THE 2 LOWER EMERGENCY LIGHTS AT THE WING TRAILING EDGE WERE FOUND TO BE INOPERATIVE. MAINTENANCE FOUND THE 3 FUSES DEFECTIVE IN THE 
- [SDR DALA1211716301](https://openairdocs.org/sdr/DALA1211716301), Feb 27, 2012: WIRE. DISCONNECTED. DURING A MAINTENANCE VISIT, THE EMERGENCY FLOOR LIGHTS AT ROWS 10-12 ON THE RIGHT WERE FOUND TO BE INOPERATIVE. MAINTENANCE RECONNECTED THE WIRES AT ROW 10. SYS
- [SDR DALA1211706301](https://openairdocs.org/sdr/DALA1211706301), Feb 27, 2012: WIRE. DISCONNECTED. DURING A MAINTENANCE VISIT, THE EMERGENCY FLOOR LIGHT AT DOOR 3L WAS FOUND TO BE INOPERATIVE. MAINTENANCE RECONNECTED THE WIRES. SYSTEM OPERATION WAS NORMAL AFT
- [SDR DALA1208636301](https://openairdocs.org/sdr/DALA1208636301), Feb 14, 2012: WIRE. DISCONNECTED. DURING A MAINTENANCE VISIT, THE EMERGENCY FLOOR LIGHTS BETWEEN SEATS 22AB TO 31AB WERE FOUND TO BE INOPERATIVE. MAINTENANCE RECONNECTED THE WIRE AT SEAT 22AB. S
- [SDR DALA1206746301](https://openairdocs.org/sdr/DALA1206746301), Feb 4, 2012: PANEL. CRACKED. DURING WALK AROUND CHECK, FOUND THROUGH SURFACE CRACK (L=320MM AND W=0.5MM) AT PANEL, WHICH IS LOCATED IN FRONT OF RIGHT INBOARD TRAILING EDGE FLAP AND AT AREA 
- [SDR DALA1205476301](https://openairdocs.org/sdr/DALA1205476301), Jan 30, 2012: LIGHT. INOPERATIVE. DURING A MAINTENANCE VISIT, THE EMERGENCY ESCAPE PATH LIGHT AT SEATS 54H, 43C, LAV 4L1 AND LAV 2R WERE FOUND TO BE INOPERATIVE. MAINTENANCE REPLACED THE PATH LI
- [SDR DALA1205466301](https://openairdocs.org/sdr/DALA1205466301), Jan 30, 2012: LIGHT. INOPERATIVE. DURING A MAINTENANCE VISIT, THE 2L DOOR MOUNTED EMERGENCY LIGHT WAS FOUND INOPERATIVE. MAINTENANCE REPLACED THE 2L DOOR MOUNTED EMERGENCY LIGHT ASSEMBLY. SYSTEM
- [SDR DALA1201786301](https://openairdocs.org/sdr/DALA1201786301), Jan 12, 2012: FUSE. DEFECTIVE. DURING A MAINTENANCE VISIT, THE OVERWING EMERGENCY LIGHTS ON THE RIGHT SIDE WERE FOUND TO BE INOPERATIVE. MAINTENANCE FOUND THE FUSE DEFECTIVE IN THE POWER SUPP
- [SDR DALA1161146301](https://openairdocs.org/sdr/DALA1161146301), Oct 31, 2011: SKIN. DAMAGED. BECAUSE OF NR 2 ENGINE FAILURE, GENERAL INSPECTION OF HORIZ AND VERTICAL STAB WERE DONE. LT HORIZ STAB L/E PANEL 331CL NEEDED TO BE BLENDED APPROX 3 FEET FROM I
- [SDR DALA1161136301](https://openairdocs.org/sdr/DALA1161136301), Oct 31, 2011: SKIN. DAMAGED. BECAUSE OF NR 2 ENGINE FAILURE, GENERAL INSPECTION OF HORIZ AND VERTICAL STABS WERE DONE. LT HORIZ STAB L/E PANEL 331DL FOUND DAMAGE AT HORIZ STAB STA 472. REPA
- [SDR DALA1161126301](https://openairdocs.org/sdr/DALA1161126301), Oct 31, 2011: PANEL. DAMAGED. BECAUSE OF NR 2 ENGINE FAILURE, GENERAL INSPECTION OF HORIZ AND VERTICAL STABS WERE DONE. LT HORIZ STAB L/E PANEL 331DL FOUND DAMAGE AT HORIZ STAB STA 497. REPA
- [SDR DALA1161116301](https://openairdocs.org/sdr/DALA1161116301), Oct 30, 2011: PANEL. DAMAGED. DAMAGE FOUND ON PANEL 331DL LT LEADING EDGE HORIZONTAL STABILIZER STA 524. CORRECTED STA DTW 30OCT11 ATA 5513. REPAIRED LT LEADING EDGE HORIZONTAL STABILIZER SK
- [SDR DALA1161096301](https://openairdocs.org/sdr/DALA1161096301), Oct 30, 2011: PANEL. NICKED. LEADING EDGE PANEL 337L 1 ITEM FOUND. CORRECTED STA DTW 25OCT11 ATA 5513 REMOVED NICK IAW SRM 55-10-01. OK FOR SERVICE.
- [SDR DALA1161106301](https://openairdocs.org/sdr/DALA1161106301), Oct 29, 2011: PANEL. DAMAGED. DAMAGE FOUND ON PANEL 331CL LT LEADING EDGE HORIZONTAL STABILIZER STA 339. CORRECTED STA DTW 29OCT11 ATA 5513. REPAIRED LEADING EDGE LT HORIZONTAL STABILIZER SK
- [SDR DALA1161086301](https://openairdocs.org/sdr/DALA1161086301), Oct 25, 2011: PANEL. NICKED. LEADING EDGE PANEL 331BL 1 ITEM FOUND. CORRECTED STA DTW 25OCT11 ATA 5513. REMOVED NICK IAW SRM 55-10-01. OK FOR SERVICE.

All 149: https://openairdocs.org/aircraft/N661US/reports.md

## STCs that may be installed (OpenAirDocs) (699, first 50)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Boeing 747-451)

- [STC ST12461IB](https://openairdocs.org/stc/ST12461IB): Installation of Cockpit Voice Recorder with optional RIPS Upgrade. Mid- Canada Mod Center
- [STC ST00885LA](https://openairdocs.org/stc/ST00885LA): Installation of fire extinguisher cartridges as replacements for Pacific Scientific fire extinguisher cartridges in fire extinguisher bottles. AMETEK AMERON, LLC d/b/a MASS Systems
- [STC ST02166SE](https://openairdocs.org/stc/ST02166SE): Installation of additional bunks in the Door 5 Overhead Crew Rest on Boeing Model 747-400 series aircraft. B/E Aerospace, Inc. - FSI
- [STC ST00197IB](https://openairdocs.org/stc/ST00197IB): Installation of the Universal Quick Access Recorder (uQAR). Flight Data Technologies Inc
- [STC ST00437AT](https://openairdocs.org/stc/ST00437AT): Installation of Collins SAT-906 SATCOM System with Canadian- Marconi CMA-2102 Antenna System and Ball Airlink Low Gain Antenna. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST00552AT](https://openairdocs.org/stc/ST00552AT): Installation of a Collins SATCOM update from 900 SDU to 906 SDU. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST01859AT-D](https://openairdocs.org/stc/ST01859AT-D): Installation of a Collins CPL-920D H.F. Antenna coupler in a provisioned aircraft. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST01959AT-D](https://openairdocs.org/stc/ST01959AT-D): Installation of Ball Aerospace Camera entertainment system. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST02621AT-D](https://openairdocs.org/stc/ST02621AT-D): Installation In-flight Entertainment System provisions. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03091AT-D](https://openairdocs.org/stc/ST03091AT-D): Interior reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03092AT-D](https://openairdocs.org/stc/ST03092AT-D): Interior modification. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03143AT-D](https://openairdocs.org/stc/ST03143AT-D): Installation of a Rockwell Collins AERO H+ SATCOM System. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03419AT](https://openairdocs.org/stc/ST03419AT): Rockwell Collins SATCOM High Speed Transmitter Installation. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03504AT-D](https://openairdocs.org/stc/ST03504AT-D): Interior reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03556AT-D](https://openairdocs.org/stc/ST03556AT-D): Installation and Reactivation of a SATCOM System (Honeywell) and an ACARS System Upgrade (Rockwell Collins). AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03821AT-D](https://openairdocs.org/stc/ST03821AT-D): Installation of a Panasonic eX2 In-Flight Entertainment System in a Boeing 747-400 aircraft. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04378AT](https://openairdocs.org/stc/ST04378AT): VIP Cabin IFE / Communication systems upgrades. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04379AT](https://openairdocs.org/stc/ST04379AT): Installation of Gogo 2Ku WiFi System. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST00952LA](https://openairdocs.org/stc/ST00952LA): Installation of Mass Systems fire extinguisher cartridges as replacements for Kidde fire extinguisher cartridges in fire extinguisher bottles. AMETEK AMERON LLC d/b/a MASS Systems
- [STC ST04328NY](https://openairdocs.org/stc/ST04328NY): The Manufacture and Installation of Exterior Placards, Labels and Signs is to be performed, installed. Libellule Monde Inc
- [STC ST03875NY](https://openairdocs.org/stc/ST03875NY): Installation of interior placards, signs and markings. Libellule Monde Inc
- [STC ST00892LA](https://openairdocs.org/stc/ST00892LA): Installation of Emergency Vision Assurance System (EVAS). VisionSafe LLC
- [STC ST00030IB](https://openairdocs.org/stc/ST00030IB): Installation of Test Tech ELT. APTOZ EHF
- [STC ST02927NY](https://openairdocs.org/stc/ST02927NY): Installation of a Panasonic Avionics Corporation Global Communications Suite Antenna. Delta Engineering Corporation
- [STC ST03047CH](https://openairdocs.org/stc/ST03047CH): Certification of Compatibility with Cellular and Wireless Data Technologies. Delta Engineering Corporation
- [STC ST03885AT](https://openairdocs.org/stc/ST03885AT): Installation of an Avionica, Inc. avCM Cellular Module. Aircraft Systems and Manufacturing Inc
- [STC SA3943NM](https://openairdocs.org/stc/SA3943NM): Installation of C&D interiors outboard bins and sidewall panels, stowage unit, class divider, super bin kit. Safran Cabin Inc
- [STC SA5799NM](https://openairdocs.org/stc/SA5799NM): Installation of a modular lavatory retrofit kit. Safran Cabin Inc
- [STC ST00484SE](https://openairdocs.org/stc/ST00484SE): Installation of interior retrofit kit. Safran Cabin Inc
- [STC ST00661SE](https://openairdocs.org/stc/ST00661SE): Installation of upper deck closets. Safran Cabin Inc
- [STC ST00734SE](https://openairdocs.org/stc/ST00734SE): Installation of interior retrofit kit. Safran Cabin Inc
- [STC ST00773SE](https://openairdocs.org/stc/ST00773SE): Installation of Upper Deck Overhead Stowage Bin Interior Retrofit. Safran Cabin Inc
- [STC ST00776SE](https://openairdocs.org/stc/ST00776SE): Installation of interior kits. Safran Cabin Inc
- [STC ST00799LA](https://openairdocs.org/stc/ST00799LA): Installation of a folding cart stowage unit and modifications. Safran Cabin Inc
- [STC ST00835SE](https://openairdocs.org/stc/ST00835SE): Installation of interior components. Safran Cabin Inc
- [STC ST00836SE](https://openairdocs.org/stc/ST00836SE): Installation of interior components and in-flight entertainment system. Safran Cabin Inc
- [STC ST00942SE](https://openairdocs.org/stc/ST00942SE): Installation of Airshow 420 News and Weather Information System kit. Safran Cabin Inc
- [STC ST01061SE](https://openairdocs.org/stc/ST01061SE): Installation of Airshow 420 News and Weather Information System. Safran Cabin Inc
- [STC ST01152SE](https://openairdocs.org/stc/ST01152SE): Installation Interior Components. Safran Cabin Inc
- [STC ST01315LA](https://openairdocs.org/stc/ST01315LA): Installation of a forward facing flight attendant seat. Safran Cabin Inc
- [STC ST01503SE](https://openairdocs.org/stc/ST01503SE): Installation of Interior components. Safran Cabin Inc
- [STC ST01507SE](https://openairdocs.org/stc/ST01507SE): Installation of interior components. Safran Cabin Inc
- [STC ST01523SE](https://openairdocs.org/stc/ST01523SE): Installation of interior components. Safran Cabin Inc
- [STC ST01532SE](https://openairdocs.org/stc/ST01532SE): Installation of interior components. Safran Cabin Inc
- [STC ST01533SE](https://openairdocs.org/stc/ST01533SE): Installation of interior components. Safran Cabin Inc
- [STC ST01554SE](https://openairdocs.org/stc/ST01554SE): Installation of interior components. Safran Cabin Inc
- [STC ST01622SE](https://openairdocs.org/stc/ST01622SE): Installation of interior components. Safran Cabin Inc
- [STC ST01780SE](https://openairdocs.org/stc/ST01780SE): Installation of interior components. Safran Cabin Inc
- [STC ST01880LA](https://openairdocs.org/stc/ST01880LA): Installation of pantry. Safran Cabin Inc
- [STC ST01986NY-D](https://openairdocs.org/stc/ST01986NY-D): Update of Panasonic Avionics Corporation System 3000 passenger entertainment system. Safran Cabin Inc

All 699: https://openairdocs.org/aircraft/N661US/stcs.md

## Related

- Other Boeing 747-451 aircraft: https://openairdocs.org/model/boeing-747-451/aircraft.md
- The Pratt & Whitney PW4000 series engine: https://openairdocs.org/engine/pratt-whitney-pw4000-series.md

---
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