# N661DN: 1990 Boeing 757-232

- Status: Valid registration
- Airframe: [Boeing 757-232](https://openairdocs.org/model/boeing-757-232) (registry code 1384965, 178 seats)
- Engine: [Pratt & Whitney PW2037](https://openairdocs.org/engine/pratt-whitney-pw2037) (registry code 52117)
- Data sheets: [TCDS A2NM](https://openairdocs.org/tcds/A2NM) (The Boeing Company), [TCDS E17NE](https://openairdocs.org/tcds/E17NE) (Pratt & Whitney) (OpenAirDocs)
- Serial number: 24972
- Year built: 1990
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: December 23, 1990
- Certificate issued: August 15, 2016
- Expires: August 31, 2029
- Mode S code: A8B848
- Registered owner: [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE)
- Location: [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City)
- Owner type: Corporation
- Owner's area on the map: 40.7558° N, 111.8843° W: Placed by OpenAirDocs at the center of ZIP code 84111, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=661DN
- Page: https://openairdocs.org/aircraft/N661DN

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.

## ADs that may apply (OpenAirDocs): 331 in force

### Matched by airframe (Boeing 757-232)

- [AD 2026-13-16](https://openairdocs.org/ad/2026-13-16): Navigation · Boeing 757-200 Series, 757-200PF Series, 757-200CB Series and 6 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 2026-08-09](https://openairdocs.org/ad/2026-08-09): Wings · Boeing 757-200 Series and 757-300 Series with STC ST01518SE. Effective Jun 3, 2026
- [AD 2026-04-06](https://openairdocs.org/ad/2026-04-06): Wings · Boeing 757-200 Series and 757-300 Series. Effective Feb 26, 2026
- [AD 2026-01-05](https://openairdocs.org/ad/2026-01-05): Wings · Boeing 757-200 Series and 757-300 Series. Effective Feb 20, 2026
- [AD 2025-23-03](https://openairdocs.org/ad/2025-23-03): Fire protection · Boeing 757-200 Series, 757-200PF Series, 757-200CB Series and 1 more. Effective Jan 13, 2026
- [AD 2025-20-14](https://openairdocs.org/ad/2025-20-14): Equipment/furnishings · Boeing 757-200 Series. Effective Jan 2, 2026
- [AD 2025-20-04](https://openairdocs.org/ad/2025-20-04): Flight controls · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Nov 6, 2025
- [AD 2025-19-11](https://openairdocs.org/ad/2025-19-11): Landing Gear · Boeing 757-200 Series, 757-200PF Series and 757-200CB Series. Effective Nov 6, 2025
- [AD 2025-11-01](https://openairdocs.org/ad/2025-11-01): Fuselage · Boeing 757-200 Series, 757-200CB Series and 757-300 Series. Effective Jul 8, 2025
- [AD 2025-02-13](https://openairdocs.org/ad/2025-02-13): Fuselage · Boeing 757-200 Series, 757-200CB Series and 757-200PF Series. Effective Mar 17, 2025
- [AD 2025-02-07](https://openairdocs.org/ad/2025-02-07): Navigation · Modification of Rockwell Collins, Inc. Multi-Mode Receiver (STC ST01883WI or 4 others). Effective Mar 17, 2025
- [AD 2024-25-09](https://openairdocs.org/ad/2024-25-09): Hydraulic power · Boeing 757-200 Series, 757-200PF Series, 757-200CB Series and 1 more. Effective Feb 14, 2025
- [AD 2024-24-01](https://openairdocs.org/ad/2024-24-01): Fuselage · Boeing 757-200 Series, 757-200CB Series and 757-200PF Series. Effective Jan 13, 2025
- [AD 2024-12-09](https://openairdocs.org/ad/2024-12-09): Wings · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Aug 22, 2024
- [AD 2024-10-07](https://openairdocs.org/ad/2024-10-07): Fuselage · Boeing 757-200 Series, 757-200PF Series, 757-200CB Series and 1 more. Effective Jul 19, 2024
- [AD 2024-10-05](https://openairdocs.org/ad/2024-10-05): Equipment/Furnishings · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Jul 19, 2024
- [AD 2024-12-07](https://openairdocs.org/ad/2024-12-07): Fuselage · Boeing 757-200 Series with STC ST01529SE or ST02278SE. Effective Jul 11, 2024
- [AD 2024-07-05](https://openairdocs.org/ad/2024-07-05): Fuselage · Boeing 757-200 Series, 757-200CB Series and 757-300 Series. Effective Jun 5, 2024
- [AD 2024-05-09](https://openairdocs.org/ad/2024-05-09): Fuselage · Boeing 757-200 Series, 757-200CB Series and 757-300 Series. Effective May 8, 2024
- [AD 2023-13-12](https://openairdocs.org/ad/2023-13-12): Oxygen · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 17 more. Effective Sep 5, 2023
- [AD 2023-12-12](https://openairdocs.org/ad/2023-12-12): Navigation · Boeing 757-200 Series, 757-200PF Series, 757-200CB Series and 6 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 2022-20-15](https://openairdocs.org/ad/2022-20-15): Wings · Boeing 757-200 Series, 757-200PF Series, 757-200CB Series and 1 more. Effective Dec 7, 2022
- [AD 2022-15-09](https://openairdocs.org/ad/2022-15-09): Fuselage · Boeing 757-200 Series, 757-200CB Series and 757-300 Series. Effective Aug 17, 2022
- [AD 2022-15-08](https://openairdocs.org/ad/2022-15-08): Information systems · Airbus A318-111, A318-112, A319-111 and 49 more. Effective Aug 12, 2022
- [AD 2022-13-04](https://openairdocs.org/ad/2022-13-04): Fuselage · Boeing 757-200 Series, 757-200PF Series, 757-200CB Series and 1 more. Effective Aug 12, 2022
- [AD 2022-07-07](https://openairdocs.org/ad/2022-07-07): Equipment/furnishings · Boeing 757-200 Series, 757-200CB Series and 757-300 Series. Effective May 26, 2022
- [AD 2021-26-28](https://openairdocs.org/ad/2021-26-28): Fuel · Boeing 757-200 Series, 757-200PF Series, 757-200CB Series and 1 more. Effective Mar 3, 2022
- [AD 2021-22-23](https://openairdocs.org/ad/2021-22-23): Wings · Boeing 757-200 Series, 757-200PF Series, 757-200CB Series and 1 more. Effective Dec 29, 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 2021-05-11](https://openairdocs.org/ad/2021-05-11): Flight controls · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Apr 19, 2021
- [AD 2020-20-10](https://openairdocs.org/ad/2020-20-10): Fuselage · Boeing 757-200 Series, 757-200CB Series and 757-300 Series. Effective Nov 10, 2020
- [AD 2020-04-15](https://openairdocs.org/ad/2020-04-15): Air conditioning · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 4 more. Effective May 8, 2020
- [AD 2020-05-25](https://openairdocs.org/ad/2020-05-25): Fuselage · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective May 4, 2020
- [AD 2020-01-18](https://openairdocs.org/ad/2020-01-18): Fuel, Fuselage, Wings · Winglets, wing structural reinforcement (Aviation Partners Boeing STC ST01518SE). Effective Mar 5, 2020
- [AD 2019-24-18](https://openairdocs.org/ad/2019-24-18): Navigation · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 11 more. Effective Feb 3, 2020
- [AD 2019-19-10](https://openairdocs.org/ad/2019-19-10): Fuel · Boeing 737-300 Series, 737-400 Series, 737-500 Series and 21 more. Effective Jan 16, 2020
- [AD 2019-07-04](https://openairdocs.org/ad/2019-07-04): Editorial Note: Rule document 2019-07587 was originally published on pages 15949 through 15952 in the issue of Wednesday, April 17, 2019. In that publication, on page 15951, in the title of  
 the Airworthiness Directive, ''-04'' was inadvertently left out. The corrected document is republished in its entirety. · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective May 22, 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 2018-20-13](https://openairdocs.org/ad/2018-20-13): Fuel · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 13 more. Effective Nov 15, 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 2018-18-07](https://openairdocs.org/ad/2018-18-07): Fuselage · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Oct 10, 2018
- [AD 2018-06-08](https://openairdocs.org/ad/2018-06-08): Fuselage · Boeing 757-200 Series. Effective Apr 19, 2018
- [AD 2017-26-07](https://openairdocs.org/ad/2017-26-07): Fuselage · Boeing 757-200 Series, 757-200CB Series and 757-300 Series. Effective Feb 7, 2018
- [AD 2017-26-02](https://openairdocs.org/ad/2017-26-02): Doors · Boeing 757-200 Series. Effective Jan 24, 2018
- [AD 2017-22-12](https://openairdocs.org/ad/2017-22-12): Wings · Boeing 757-200 Series, 757-200CB Series and 757-200PF Series. Effective Dec 26, 2017
- [AD 2017-20-05](https://openairdocs.org/ad/2017-20-05): Fuselage · Boeing 757-200 Series and 757-300 Series. Effective Nov 6, 2017
- [AD 2017-19-10](https://openairdocs.org/ad/2017-19-10): Doors · Boeing 757-200 Series, 757-200CB Series and 757-200PF Series. Effective Oct 27, 2017
- [AD 2017-12-14](https://openairdocs.org/ad/2017-12-14): Fuselage · Boeing 757-200 Series and 757-200PF Series. Effective Jul 25, 2017

### Matched by engine (Pratt & Whitney PW2037)

- [AD 2026-07-06](https://openairdocs.org/ad/2026-07-06): Turbine Section · Pratt & Whitney F117-PW-100, PW2037, PW2037D and 3 more. Effective May 29, 2026
- [AD 2024-12-04](https://openairdocs.org/ad/2024-12-04): Turbine Section · Pratt & Whitney PW2037, PW2037M and PW2040. Effective Aug 13, 2024
- [AD 2021-14-13](https://openairdocs.org/ad/2021-14-13): Turbine Section · Pratt & Whitney F117-PW-100, PW2037, PW2037M and 1 more. Effective Sep 1, 2021
- [AD 2019-05-01](https://openairdocs.org/ad/2019-05-01): Turbine/Turboprop Engine · Pratt & Whitney F117-PW-100, PW2037, PW2037D and 6 more. Effective Apr 16, 2019
- [AD 2018-22-06](https://openairdocs.org/ad/2018-22-06): Fuel Control/Turbine Engines · Pratt & Whitney PW2037, PW2037M and PW2040. Effective Dec 3, 2018
- [AD 2018-14-10](https://openairdocs.org/ad/2018-14-10): Fuel Control Turbine Engines · Pratt & Whitney PW2037, PW2037M and PW2040. Effective Sep 28, 2018
- [AD 2012-02-01](https://openairdocs.org/ad/2012-02-01): Fan blades · Pratt & Whitney Division PW2037, PW2037M and PW2040. Effective Apr 24, 2012
- [AD 2009-14-05](https://openairdocs.org/ad/2009-14-05): High-pressure compressor (HPC) · Pratt & Whitney Division PW2037, PW2037M and PW2040. Effective Jul 23, 2009
- [AD 2009-10-08](https://openairdocs.org/ad/2009-10-08): High-pressure turbine 2nd stage hubs that have previously been exposed to Pratt & Whitney cleaning procedure SPOP 10 or SPOP 9 or equivalent procedure. · Pratt & Whitney Division PW2037, PW2037M and PW2040. Effective Jun 17, 2009
- [AD 2007-02-06](https://openairdocs.org/ad/2007-02-06): High pressure compressor (HPC) drum rotor disk assemblies · Pratt & Whitney Division PW2037, PW2037M and PW2040. Effective Feb 28, 2007
- [AD 2005-18-03](https://openairdocs.org/ad/2005-18-03): Engine manufacturer's time limits section (TLS) · Pratt & Whitney Division PW2037, PW2037D, PW2037M and 5 more. Effective Feb 28, 2006
- [AD 99-20-03](https://openairdocs.org/ad/99-20-03): High Pressure Turbine Disks · Pratt & Whitney Division PW2037, PW2037M, PW2040 and 2 more. Effective Nov 23, 1999
- [AD 96-18-08 R1](https://openairdocs.org/ad/96-18-08-R1): (HPT) High Pressure or (LPT) Low Pressure Turbine · Pratt & Whitney Division PW2037, PW2037M, PW2040 and 2 more. Effective Nov 10, 1998
- [AD 97-11-51 R1](https://openairdocs.org/ad/97-11-51-R1): First Stage High Pressure Turbine (HPT) Disk Assembly · Pratt & Whitney Division PW2037, PW2037M, PW2040 and 5 more. Effective Aug 7, 1997
- [AD 88-03-52](https://openairdocs.org/ad/88-03-52): Fuel Quantity Indication System · Pratt & Whitney Division PW2037 and PW2040. Effective Jul 13, 1988

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

- [AD 2022-08-12](https://openairdocs.org/ad/2022-08-12) (historical): Wings · Boeing 757-200 Series, 757-200PF Series, 757-200CB Series and 1 more. Effective Jun 10, 2022
- [AD 2022-04-05](https://openairdocs.org/ad/2022-04-05) (historical): Navigation · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 6 more. Effective Feb 14, 2022
- [AD 2020-21-17](https://openairdocs.org/ad/2020-21-17) (historical): Wings · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Jan 14, 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 2019-23-06](https://openairdocs.org/ad/2019-23-06) (historical): Fuselage · Boeing 757-200 Series, 757-200CB Series and 757-300 Series. Effective Jan 13, 2020
- [AD 2019-20-03](https://openairdocs.org/ad/2019-20-03) (historical): Information systems · Airbus A340-312, A340-313, A318-111 and 48 more. Effective Nov 19, 2019
- [AD 2019-12-13](https://openairdocs.org/ad/2019-12-13) (historical): Flight controls · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Jul 12, 2019
- [AD 2018-26-03](https://openairdocs.org/ad/2018-26-03) (historical): Equipment/furnishings · Boeing 757-200 Series. Effective Jan 31, 2019
- [AD 2018-16-05](https://openairdocs.org/ad/2018-16-05) (historical): Wings · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Sep 10, 2018
- [AD 2018-06-07](https://openairdocs.org/ad/2018-06-07) (historical): Fuselage · Boeing 757-200 Series, 757-200CB Series and 757-300 Series. Effective May 3, 2018
- [AD 2017-24-10](https://openairdocs.org/ad/2017-24-10) (historical): Fuselage · Boeing 757-200 Series, 757-200PF Series and 757-300 Series. Effective Jan 9, 2018
- [AD 2017-26-10](https://openairdocs.org/ad/2017-26-10) (historical): Flight controls · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Jan 3, 2018
- [AD 2015-08-01](https://openairdocs.org/ad/2015-08-01) (historical): Flight Controls · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective May 26, 2015
- [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 2013-01-02](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 2012-15-15](https://openairdocs.org/ad/2012-15-15) (historical): Fuselage · Boeing 757-200 Series, 757-200CB Series and 757-300 Series. Effective Oct 3, 2012
- [AD 2011-01-15](https://openairdocs.org/ad/2011-01-15) (historical): Fuselage · Boeing 757-200 Series, 757-200CB Series and 757-300 Series. Effective Jan 25, 2011
- [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 2008-23-19](https://openairdocs.org/ad/2008-23-19) (historical): Left and right main fuel tanks · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Dec 30, 2008
- [AD 2008-13-20](https://openairdocs.org/ad/2008-13-20) (historical): Aft hinge fittings · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Aug 6, 2008
- [AD 2008-10-11](https://openairdocs.org/ad/2008-10-11) (historical): Fuel tank systems · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Jun 12, 2008
- [AD 2008-09-07](https://openairdocs.org/ad/2008-09-07) (historical): Fuel filter · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 4 more. Effective May 8, 2008
- [AD 2008-05-10](https://openairdocs.org/ad/2008-05-10) (historical): Vertical flange and bulkhead · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 9 more. Effective Mar 18, 2008
- [AD 2007-16-13](https://openairdocs.org/ad/2007-16-13) (historical): Shim installation · Boeing 757-200 Series, 757-200CB Series and 757-200PF Series. Effective Aug 24, 2007
- [AD 2007-03-01](https://openairdocs.org/ad/2007-03-01) (historical): Power feeder wire bundles · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Mar 5, 2007
- [AD 2006-20-11](https://openairdocs.org/ad/2006-20-11) (historical): Rivet inspection · Boeing 757-200 Series, 757-200CB Series and 757-200PF Series. Effective Nov 8, 2006
- [AD 2006-11-11](https://openairdocs.org/ad/2006-11-11) (historical): Fatigue cracking of PSEs · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Jun 30, 2006
- [AD 2005-18-18](https://openairdocs.org/ad/2005-18-18) (historical): Left and right engine-to-wing aft fairings · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Oct 14, 2005
- [AD 2005-12-05](https://openairdocs.org/ad/2005-12-05) (historical): Flight deck door · Reinforced cockpit door (Safran Cabin STC ST01335LA or 2 others). Effective Jul 19, 2005
- [AD 2005-12-04](https://openairdocs.org/ad/2005-12-04) (historical): Aft torque bulkhead · Boeing 757-200 Series, 757-200CB Series and 757-200PF Series. Effective Jun 29, 2005
- [AD 2005-04-14](https://openairdocs.org/ad/2005-04-14) (historical): Joint of the mid-bulkhead and the upper link fittings · Boeing 757-200 Series, 757-200CB Series and 757-200PF Series. Effective Mar 15, 2005
- [AD 2004-12-07](https://openairdocs.org/ad/2004-12-07) (historical): Nacelle strut and wing structure · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Jul 21, 2004
- [AD 2004-09-32](https://openairdocs.org/ad/2004-09-32) (historical): Fuselage skin · Boeing 757-200 Series. Effective May 24, 2004
- [AD 2003-18-05](https://openairdocs.org/ad/2003-18-05) (historical): Nacelle Strut and Wing Structure · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Oct 16, 2003
- [AD 94-01-10 R1](https://openairdocs.org/ad/94-01-10-R1) (historical): Engine thrust reverser system · Boeing 757-200 Series and 757-200PF Series. Effective Sep 18, 2003
- [AD 2003-14-04](https://openairdocs.org/ad/2003-14-04) (historical): Flight Deck Door Pressure Relief Latch Assemblies · Boeing 737-200 Series, 737-300 Series, 737-400 Series and 14 more. Effective Jul 25, 2003
- [AD 2003-07-08](https://openairdocs.org/ad/2003-07-08) (historical): Upper link fittings · Boeing 757-200 Series, 757-200CB Series and 757-200PF Series. Effective Apr 18, 2003
- [AD 2001-24-02](https://openairdocs.org/ad/2001-24-02) (historical): Shoulder Restraint Harness Attachment · Boeing 707-100 Long Body, 707-100B Long Body, 707-300 Series (all) and 20 more. Effective Jan 4, 2002
- [AD 99-27-06](https://openairdocs.org/ad/99-27-06) (historical): Thrust Reverser Cable · Boeing 757-200 Series, 757-200CB Series and 757-200PF Series. Effective Feb 7, 2000
- [AD 99-18-16](https://openairdocs.org/ad/99-18-16) (historical): Modular Avionics Warning Electronic Assembly or Warning Electronics Unit · Boeing 747-400 Series, 747-400D Series, 747-400F Series and 6 more. Effective Sep 16, 1999
- [AD 99-09-13](https://openairdocs.org/ad/99-09-13) (historical): Forward Lavatory · Boeing 757-200 Series, 757-200CB Series and 757-200PF Series. Effective Jun 1, 1999
- [AD 97-06-04](https://openairdocs.org/ad/97-06-04) (historical): Lower Spar Chord · Boeing 757-200 Series, 757-200CB Series and 757-200PF Series. Effective Mar 28, 1997
- [AD 74-08-09 R2](https://openairdocs.org/ad/74-08-09-R2) (historical): Waste Receptacles · Aero Spacelines 377, 377MG, 377SGT and 268 more. Effective Jul 29, 1996
- [AD 2017-12-03](https://openairdocs.org/ad/2017-12-03) (historical): Fuel Control Turbine Engines · Pratt & Whitney PW2037, PW2037M and PW2040. Effective Jul 20, 2017
- [AD 2017-11-06](https://openairdocs.org/ad/2017-11-06) (historical): Turbine/ Turboprop Engine · Pratt & Whitney F117-PW-100, PW2037, PW2037D and 6 more. Effective Jul 18, 2017
- [AD 2014-05-32](https://openairdocs.org/ad/2014-05-32) (historical): Diffuser-to-high-pressure turbine (HPT) case flange · Pratt & Whitney F117-PW-100, PW2037, PW2037D and 8 more. Effective May 5, 2014
- [AD 2002-12-06](https://openairdocs.org/ad/2002-12-06) (historical): Time Limits Section (TLS) · Pratt & Whitney Division PW2037, PW2037M, PW2040 and 5 more. Effective Jul 17, 2002
- [AD 2000-21-09](https://openairdocs.org/ad/2000-21-09) (historical): Critical Life-limited Parts · Pratt & Whitney Division PW2037, PW2037M, PW2040 and 5 more. Effective Jan 22, 2001
- [AD 99-08-14](https://openairdocs.org/ad/99-08-14) (historical): Maintenance Program, Mandatory Inspections · Pratt & Whitney Division PW2037, PW2037M, PW2040 and 5 more. Effective May 13, 1999

All 381: https://openairdocs.org/aircraft/N661DN/ads.md

## Information bulletins (advisory) (13 in force)

- [SAIB 2026-09](https://openairdocs.org/saib/2026-09): HYDRAULIC POWER, Hydraulic Power Transfer Unit System. Issued Apr 6, 2026
- [SAIB 2025-02](https://openairdocs.org/saib/2025-02): DOORS, Main Deck Cargo Door. Issued Feb 21, 2025
- [SAIB 2025-01](https://openairdocs.org/saib/2025-01): HYDRAULIC POWER SYSTEM, Fatigue Failure of Hydraulic Flexible Hoses. Issued Jan 14, 2025
- [SAIB NM-20-07](https://openairdocs.org/saib/NM-20-07): Navigation - Glideslope System. Issued Apr 16, 2020
- [SAIB NE-19-03](https://openairdocs.org/saib/NE-19-03): Escape Slide Maintenance Tasks and Intervals - JASC 2565. Issued Feb 19, 2019
- [SAIB NM-18-33](https://openairdocs.org/saib/NM-18-33): Engine Fuel and Control. Issued Dec 17, 2018
- [SAIB NM-17-17](https://openairdocs.org/saib/NM-17-17): Oxygen System. Issued Jun 19, 2017
- [SAIB NM-17-10](https://openairdocs.org/saib/NM-17-10): Maintenance Practices. Issued Apr 13, 2017
- [SAIB NM-15-03](https://openairdocs.org/saib/NM-15-03): Flight Controls. Issued Nov 24, 2014
- [SAIB NM-10-24](https://openairdocs.org/saib/NM-10-24): Hydraulic Motors: Hydraulic Motor Generator (HMG) Inadvertent Lock-out. Issued Mar 31, 2010
- [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-07-14](https://openairdocs.org/saib/NM-07-14): M10444 APU/Cargo Fire Control Panel (APU/CFCP). Issued Jan 3, 2007
- [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

## NTSB investigations

None matched to N661DN.

## FAA accident and incident reports

None matched to N661DN.

## Service difficulty reports (193, 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 DALA2026070803996](https://openairdocs.org/sdr/DALA2026070803996), Jul 7, 2026: DOOR FRAME. CORRODED. CORROSION LEVEL 2 ON DOOR FRAME BTW STA.1435 AND S-26R AT AFT. CARGO COMPARTMENT DOOR. DOOR FRAME BTW STA.1435 AND S-26R AT AFT. CARGO COMPARTMENT DOOR WAS REPA
- [SDR DALA2026062903830](https://openairdocs.org/sdr/DALA2026062903830), Jun 26, 2026: WEDGE. DEBONDED. DEBOND OF 1.5IN X 1.5IN AT OSS 389 UPPER SURFACE OF LE SLAT 4, TRAILING EDGE WEDGE. LT WING. OSS 389 UPPER SURFACE OF LE SLAT 4, TRAILING EDGE WEDGE LT WING WAS
- [SDR DALA2026022401328](https://openairdocs.org/sdr/DALA2026022401328), Feb 23, 2026: CONTROL VALVE. FAULTED. FCNT/DE- DUE TO TRAILING EDGE FLAP DISAGREE ON APPROACH. R & R T/E CONTROL VALVE ASSY, R & R NR 1, 2, 6, & 7 FLAP TRANSMISSION. C/W FLAP LUBE
- [SDR DALA2026022301283](https://openairdocs.org/sdr/DALA2026022301283), Feb 20, 2026: BATTERY. INOPERATIVE. EMERGENCY EXIT SIGN MID CLASS DIVIDER, RIGHT BEHIND ROW 8 FAILS TO LIGHT. FOUND BATTERY AT M9326 POWER SUPPLY BAD. INSTALLED NEW BATTERY IAW AMM 33-51, OPS CKS 
- [SDR DALA2025110408052](https://openairdocs.org/sdr/DALA2025110408052), Nov 2, 2025: LENS. MISSING. EMERGENCY EXIT SIGN MISSING OVER THE 2L DOOR. INSTALLED 2L EMERGENCY EXIT SIGN LENS IAW B757 AMM 33-51. (7268494)
- [SDR DALA2024101810205](https://openairdocs.org/sdr/DALA2024101810205), Oct 17, 2024: CHARGER. INOPERATIVE. SHIP 661 OVERHEAD EMERGENCY LIGHT AT 5AB. CORRECTIVE ACTION: INSTALLED EMERGENCY LIGHT CHARGER PER 757 AMM 33-55. OPS CHECKED GOOD. (6443724)
- [SDR DALA2024072207322](https://openairdocs.org/sdr/DALA2024072207322), Jul 19, 2024: INDICATOR. TRIPPED. FCNT/DE- DUE TO T/E DISAGREE ON APPROACH. DRAINED AND SERVICED NUMBER 1 FLAP TRANSMISSION DUE TO TORQUE LIMITER INDICATOR POPPED.
- [SDR DALA2024062606524](https://openairdocs.org/sdr/DALA2024062606524), Jun 25, 2024: NONE. NONE. SHIP 661 REF. RC 5311-01247-01A, STEP 6: FOUND EXISTING REPAIR AT LH STA 1640; REF: ERA 570342-14AD REV A. CORRECTIVE ACTION: SUMMARY SEE NR FOR ADDITIONAL INFO
- [SDR DALA2024053005684](https://openairdocs.org/sdr/DALA2024053005684), May 29, 2024: COLLAR. SPLIT. SHIP 661 2L GUST LOCK WONT HOLD AFTER OPENING DOOR. CORRECTIVE ACTION: REPLACED GUST LOCK SPLIT COLLAR ASSY. PER B757-200 AMM 52-11. OPS CKS GOOD. (5467542)
- [SDR DALA2023112709691](https://openairdocs.org/sdr/DALA2023112709691), Nov 23, 2023: UNKNOWN. UNKNOWN. SHIP 0661 ESCAPE SLIDE GIRT BAR ENGAGEMENT LIGHTS / ALL DOOR SLIDE LIGHTS INOPERATIVE. CORRECTIVE ACTION: T/S PER B757 WDM 25-66-11. R3 DOOR SLIDE INDICATION LI
- [SDR DALA2023110609146](https://openairdocs.org/sdr/DALA2023110609146), Nov 4, 2023: UNKNOWN. UNKNOWN. SHIP 0661 ON APPROACH @2000' WE HAD A BIRD STRIKE. UNEVENTFUL LANDING. BIRD HIT LOWER EDGE OF RADOME AND CAUSED CRACK 3 FEET LONG. CORRECTIVE ACTION: REF ERA 61
- [SDR DALA2023110209038](https://openairdocs.org/sdr/DALA2023110209038), Nov 1, 2023: UNKNOWN. UNKNOWN. SHIP 0661 FUSELAGE / STR23L - LBL 14.1 / STA 200.37 - STA 215.25 / PERMANENT REPAIR. CORRECTIVE ACTION: REF ERA 613266-14. (0045528)
- [SDR DALA2023080706415](https://openairdocs.org/sdr/DALA2023080706415), Aug 4, 2023: UNKNOWN. UNKNOWN. SHIP 0661 EMERGENCY PATH SEAT LIGHT AT 2 RT INOPERATIVE. CORRECTIVE ACTION: LIGHT ASSY REMOVED AND REPLACED LIGHTS ASSY CKS OK. (9725137)
- [SDR DALA2023071905836](https://openairdocs.org/sdr/DALA2023071905836), Jul 17, 2023: UNKNOWN. UNKNOWN. SHIP 0661 CABIN EMERGENCY PATHWAY LIGHTS @ 12, 13, 14, 15 INOPERATIVE. CORRECTIVE ACTION: REMOVED AND REPLACED EMERGENCY PATHWAY LIGHT. (9725120)
- [SDR DALA2023032002074](https://openairdocs.org/sdr/DALA2023032002074), Mar 17, 2023: UNKNOWN. UNKNOWN. SHIP 661 DURING WALK THU FOUND EMERGENCY LIGHT COVER MISSING BETWEEN BOTH AFT LAV'S. CORRECTIVE ACTION: FOUND LIGHT LENS AND REPLACED OPS CHECK GOOD. (2675598)
- [SDR DALA2023022101289](https://openairdocs.org/sdr/DALA2023022101289), Feb 17, 2023: NONE. NONE. SHIP 661 OVER AISLE EMERGENCY EXIT LIGHT BEHIND R2 DOOR INOP. CORRECTIVE ACTION: R+R BATTERY AND CHARGE HOC M732. R+R POWER SUPPLY BATTERY AT M9325 IAW B757 AMM
- [SDR DALA2022100806512](https://openairdocs.org/sdr/DALA2022100806512), Oct 5, 2022: NONE. NONE. AIRCRAFT 0661, WHILE WORKING WC 33523-01042-01D, FOUND INCORRECT EMERGENCY LIGHT MPN AT DOORS 1L AND 4L. CORRECTIVE ACTION: REPLACED EMERGENCY LIGHTS PER WC 335
- [SDR DALA2022081705583](https://openairdocs.org/sdr/DALA2022081705583), Aug 14, 2022: NONE. NONE. 'SUPPLIMENTAL INFORMATION' SHIP 661 2R DOOR WILL NOT ARM. CORRECTIVE ACTION: REMOVED PAINT OVERSPRAY FROM GIRTBAR SLIDER SENSOR AND REPLACED FWD FLOOR FITTING F
- [SDR DALA2022081605548](https://openairdocs.org/sdr/DALA2022081605548), Aug 14, 2022: NONE. NONE. SHIP 661 2R DOOR "EXIT" LENS NOT ATTACHED. CORRECTIVE ACTION: RE-INSTALLED LENS, AS PER B757 AMM 33-00. (8815399)
- [SDR DALA2022080305340](https://openairdocs.org/sdr/DALA2022080305340), Aug 1, 2022: STRAP. LOOSE. SHIP 661 LOOSE ATTACHMENT POINT OF OFF-WING EMERGENCY EXIT ASSIST STRAP OF AFT RH OVERWING EMERGENCY EXIT HATCH, IN REF. CARD. CORRECTIVE ACTION: SUMMARY OF NRC
- [SDR DALA2022080305339](https://openairdocs.org/sdr/DALA2022080305339), Aug 1, 2022: COVER. BROKEN. SHIP 661 BROKEN RIGHT COVER EMERGENCY LIGHT, AFTER REMOVAL WAS FOUND. CORRECTIVE ACTION: SUMMARY OF NRC: 00660 RIGHT COVER EMERGENCY LIGHT WAS REPAIRED PER B757
- [SDR DALA2022080205291](https://openairdocs.org/sdr/DALA2022080205291), Aug 1, 2022: FRAME. CRACKED. SHIP 661 INITIAL INSPECTION : CRACKED FRAME STA FS1560 BTW STGR 26R TO 27R AT AFT CARGO COMPARTMENT. CORRECTIVE ACTION: SUMMARY OF NRC 00346: FRAME STA FS1560 B
- [SDR DALA2022080205290](https://openairdocs.org/sdr/DALA2022080205290), Aug 1, 2022: STRAP. LOOSE. SHIP 661 LOOSE ATTACHMENT POINT OF OFF-WING EMERGENCY EXIT ASSIST STRAP OF AFT LH OVERWING EMERGENCY EXIT HATCH, IN REF. CARD. CORRECTIVE ACTION: SUMMARY OF NRC
- [SDR DALA2022080205294](https://openairdocs.org/sdr/DALA2022080205294), Jul 31, 2022: FRAME. CRACKED. SHIP 661 DTE, ER/A 600740-14AD; FUSELAGE / MAIN FRAME / STA. 1560 FRAME, S-26R TO S-27R / CRACK. CORRECTIVE ACTION: REF ERA 600740-14AD. (2344895)
- [SDR DALA2022080205293](https://openairdocs.org/sdr/DALA2022080205293), Jul 31, 2022: FRAME. NONE. SHIP 661 DTE, ERA 600663-14 REV -, MONITOR INSPECTION LOG REPAIR AT FRAME STA 1460 STR 23L-27L. CORRECTIVE ACTION: REF ERA 600663-14. (2344600)
- [SDR DALA2022080205289](https://openairdocs.org/sdr/DALA2022080205289), Jul 31, 2022: FRAME. NONE. SHIP 661 AA, AD : EXISTING REPAIR WAS FOUND IN THE INSPECTION AREA AT FRAME STA 1460 INBOARD STRG 26L AFT CARGO. CORRECTIVE ACTION: SUMMARY OF NRC 00156: STA. 1
- [SDR DALA2022080205288](https://openairdocs.org/sdr/DALA2022080205288), Jul 31, 2022: FLOOR SUPPORT. CORRODED. SHIP 661 CORROSION ON FLOOR SUPPORT BTW STA= 1490 TO 1520 AT LBL=10.45, RBL=2.90 AND RBL= 10.45 AT AFT CARGO COMPARTMENT C-2. CORRECTIVE ACTION:SUMMARY OF NRC 0
- [SDR DALA2022080205287](https://openairdocs.org/sdr/DALA2022080205287), Jul 31, 2022: FRAME. CRACKED. SHIP 661 A.A. / AD CRACK ON RH FUSELAGE FRAME INNER-CHORD AT STA. 1640 STRINGER 14 RH. CORRECTIVE ACTION: SUMMARY OF NRC00138 FUSELAGE FRAME INNER-CHORD AT STA.
- [SDR DALA2022080105252](https://openairdocs.org/sdr/DALA2022080105252), Jul 29, 2022: NONE. NONE. SHIP 661 DTE, ERA 600498-14 REV - MONITOR INSPECTION LOG REPAIR AT FRAME STA 1460 BETWEEN STR 9R-20R REQUIRES ADDITIONAL ENGINEERING APPROVAL. CORRECTIVE ACTION
- [SDR DALA2022072905237](https://openairdocs.org/sdr/DALA2022072905237), Jul 27, 2022: FLAP. DELAMINATED. SHIP 661 DELAMINATED FLAP INBOARD TRAILING EDGE BEHIND FLAP TRACK # 6 AT RH WING. CORRECTIVE ACTION: SUMMARY ON REF NRC 00407 FLAP INBOARD TRAILING EDGE BEHIND 
- [SDR DALA2022072905236](https://openairdocs.org/sdr/DALA2022072905236), Jul 27, 2022: FRAME ANGLE. CORRODED. SHIP 661 IN REF NRC 00656 CORROSION: ON ATTACH LOWER FRAME ANGLE STA= 1420 AND RBL= 63 TO 70 (UNDER FLOOR STRUCTURE ) AFT CARGO COMPARTMENT C-2 IS OUT OF LIMITS
- [SDR DALA2022072905235](https://openairdocs.org/sdr/DALA2022072905235), Jul 27, 2022: FRAME. DENTED. SHIP 661 DENTS SEVERAL PLACES ON FRAME STA=1520 BTW STRINGERS 25 TO 26LH SIDE AT AFT CARGO COMPARTMENT C-2. CORRECTIVE ACTION: SUMMARY OF NRC 00229. FRAME STA=1
- [SDR DALA2022072905234](https://openairdocs.org/sdr/DALA2022072905234), Jul 27, 2022: DOUBLER. CORRODED. SHIP 661 IN REF TO NRC 00656 CORROSION: ON PRODUCTION DOUBLER BTW STA= 1420 TO 1430 AND RBL= 63 TO 70 (UNDER FLOOR STRUCTURE ) AFT CARGO COMPARTMENT C-2 IS OUT 
- [SDR DALA2022072905233](https://openairdocs.org/sdr/DALA2022072905233), Jul 27, 2022: FLOORBEAM. CORRODED. SHIP 661 CORROSION ON FLOORBEAM-UPPER CHORD LBL 58, AT APPROX. STA377.7, (W1). CORRECTIVE ACTION: SUMMARY OF N.R.C. 00480. FLOORBEAM-UPPER CHORD LBL 58, AT APPR
- [SDR DALA2022072905232](https://openairdocs.org/sdr/DALA2022072905232), Jul 27, 2022: SIDEWALL PANEL. CORRODED. SHIP 661 CORROSION ON RH SIDE PLATE BTW STA FS1200 TO FS1300 AFT CARGO. CORRECTIVE ACTION: SUMMARY OF NRC 00284. RH SIDE PLATE BTW STA FS1200 TO FS1300 WAS REPL
- [SDR DALA2022072905231](https://openairdocs.org/sdr/DALA2022072905231), Jul 27, 2022: INTERCOSTAL. CORRODED. SHIP 661 CORROSION ON INTERCOSTAL BTW STA FS 1360- FS1380 , STGR 27LH AFT CARGO. CORRECTIVE ACTION: SUMMARY OF NRC 00305: INTERCOSTAL BTW STA FS 1360-FS1380 , S
- [SDR DALA2022072805186](https://openairdocs.org/sdr/DALA2022072805186), Jul 26, 2022: NONE. NONE. SHIP 661 CORROSION ON ANGLE OF FRAME AT STA 879 BETWEEN STGR 28L-STGR 28R, FWD CARGO COMPARTMENT. CORRECTIVE ACTION: SUMMARY OF NRC 00688: ANGLE OF FRAME AT STA
- [SDR DALA2022072705172](https://openairdocs.org/sdr/DALA2022072705172), Jul 24, 2022: NONE. NONE. SHIP 661 IN REF TO NRC 00299 CORROSION ON LONG FLOOR SUPPORT 2 RBL BTW STA FS 1320 AND FS 1340 AT AFT CARGO COMPARTMENT, AREA WAS FOUND OUT OF LIMITS PER B757-2
- [SDR DALA2022072705171](https://openairdocs.org/sdr/DALA2022072705171), Jul 24, 2022: NONE. NONE. SHIP 661 CORROSION OUT OF LIMITS IN REF TO NRC 00287 CORROSION ON LH SIDE PLATE BTW STA FS1270 TO FS1310 AFT CARGO. CORRECTIVE ACTION: SUMMARY OF NRC 00729. SID
- [SDR DALA2022072705167](https://openairdocs.org/sdr/DALA2022072705167), Jul 23, 2022: NONE. NONE. SHIP 661 AFTER REMOVED LH SIDE PLATE, CORROSION ON SUPPORT ANGLE BTW STA FS 1360-FS1380 , STGR 27 AND STGR 26 WAS FOUND AT AFT CARGO, IN REF NRC 00305. CORRECTI
- [SDR DALA2022072605146](https://openairdocs.org/sdr/DALA2022072605146), Jul 22, 2022: NONE. NONE. SHIP 661 A.A. - A.D. DISBOND ON OSS 588, UPPER SURFACE, LE SLAT 2 TRAILING EDGE WEDGE, LH WING. CORRECTIVE ACTION: SUMMARY ON REF NRC 00100 AREA ON OSS 588, UPP
- [SDR DALA2022072605145](https://openairdocs.org/sdr/DALA2022072605145), Jul 22, 2022: NONE. NONE. SHIP 661 CORROSION AT INTERCOSTAL BETWEEN FS1400- FS1420 AND STGR 28L-STGR 29, AFT CARGO COMPARTMENT. CORRECTIVE ACTION: SUMMARY OF NRC 00235: INTERCOSTAL BETWE
- [SDR DALA2022072505110](https://openairdocs.org/sdr/DALA2022072505110), Jul 21, 2022: NONE. NONE. SHIP 661 TO PERFORM SCAN INSPECT SLAT 4: IN REFERENCE TO MON #72 LOG 0954768. CORRECTIVE ACTION: SUMMARY OF N.R.C. 00699. DENTS (22 EAS) ON SLAT 4, WERE MEASURE
- [SDR DALA2022072505109](https://openairdocs.org/sdr/DALA2022072505109), Jul 21, 2022: NONE. NONE. SHIP 661 A.A. - A.D. DISBOND ON OSS 305, LOWER SURFACE, LE SLAT 4 TRAILING EDGE WEDGE, LH WING. CORRECTIVE ACTION: SUMMARY ON REF NRC 00101 DISBOND (3.000IN LEN
- [SDR DALA2022072505107](https://openairdocs.org/sdr/DALA2022072505107), Jul 21, 2022: NONE. NONE. SHIP 661 SCRATCHES ON EXT. FUS . SKIN STA Y=670 STR= 18LH / 19LH AND Y=730 STR 15LH /17LH FUSELAGE. CORRECTIVE ACTION:SUMMARY OF NRC 00040: SCRATCHES ON EXT. FU
- [SDR DALA2022072505106](https://openairdocs.org/sdr/DALA2022072505106), Jul 20, 2022: NONE. NONE. SHIP 661 CORROSION AT UPPER CORD OF FLOOR-LONGITUDINAL BEAM BL0 BETWEEN STA1640-STA1881.8, CABIN PAX. CORRECTIVE ACTION: SUMMARY OF NRC 00439: UPPER CHORD OF FL
- [SDR DALA2022072105048](https://openairdocs.org/sdr/DALA2022072105048), Jul 20, 2022: NONE. NONE. SHIP 661 CORROSION ON FLOOR SUPPORT NEXT TO 2L DOOR-LOWER SILL BETWEEN STA700-STA720, CABIN PAX. CORRECTIVE ACTION: SUMMARY OF N.R.C. 00470. FLOOR SUPPORT NEXT 
- [SDR DALA2022072105046](https://openairdocs.org/sdr/DALA2022072105046), Jul 18, 2022: NONE. NONE. SHIP 661 CORROSION ON FLOOR BEAM-UPPER CHORD LBL 10, AT APPROX. STA324, (W1). CORRECTIVE ACTION: SUMMARY OF NRC 00487 FLOOR BEAM-UPPER CHORD LBL 10, AT APPROX. 
- [SDR DALA2022071604933](https://openairdocs.org/sdr/DALA2022071604933), Jul 16, 2022: SHIM. MIGRATED. AIRCRAFT 0661, AWR A.A A.D SHIM MIGRATED ON INBOARD DRAG FITTING ( SHIM ID #1A ) AT ENGINE PYLON RH IN REF AMDS 5720-01100-02B STEP 16 AND 17. CORRECTIVE ACTION
- [SDR DALA2022102706976](https://openairdocs.org/sdr/DALA2022102706976), Jul 14, 2022: NONE. NONE. SHIP 661 REPAIR TO RH WING UPPER SKIN COMMON TO DRAG FITTING ATTACHMENT REQUIRES SUPPLEMENTAL INSPECTIONS PER ERA 600553-14AD. CORRECTIVE ACTION: REF ERA 600553

All 193: https://openairdocs.org/aircraft/N661DN/reports.md

## STCs that may be installed (OpenAirDocs) (721, 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 757-232)

- [STC ST03438NY](https://openairdocs.org/stc/ST03438NY): Installation of Adams Rite Lavatory Equipment. Delta Engineering Corporation
- [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 ST12442IB](https://openairdocs.org/stc/ST12442IB): Installation of Iridium Certus Satellite System. ALAMO ENGINEERING GmbH
- [STC ST02158SE-D](https://openairdocs.org/stc/ST02158SE-D): Installation of interior reconfiguration. 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 ST02215AT-D](https://openairdocs.org/stc/ST02215AT-D): Interior reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST02391AT-D](https://openairdocs.org/stc/ST02391AT-D): Installation of Collins VDL Mode 2 System. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST02623AT-D](https://openairdocs.org/stc/ST02623AT-D): Interior reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03493AT-D](https://openairdocs.org/stc/ST03493AT-D): Interior reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03848AT-D](https://openairdocs.org/stc/ST03848AT-D): Installation of a Legrest and Curtain in a Crew Rest Area. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03937AT](https://openairdocs.org/stc/ST03937AT): Installation of an Interior Reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03951AT](https://openairdocs.org/stc/ST03951AT): Interior Reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03953AT](https://openairdocs.org/stc/ST03953AT): Installation of TIMCO Aerosystems Cabin Interior Reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03989AT](https://openairdocs.org/stc/ST03989AT): Interior Reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST00952LA](https://openairdocs.org/stc/ST00952LA): Installation of Mass Systems fire extinguisher cartridges as replacements for Kidde fire extinguisher cartridges in fire extinguisher bottles. AMETEK AMERON LLC d/b/a MASS Systems
- [STC ST04328NY](https://openairdocs.org/stc/ST04328NY): The Manufacture and Installation of Exterior Placards, Labels and Signs is to be performed, installed. Libellule Monde Inc
- [STC ST03875NY](https://openairdocs.org/stc/ST03875NY): Installation of interior placards, signs and markings. Libellule Monde Inc
- [STC SA7473SW](https://openairdocs.org/stc/SA7473SW): Installation of tail floodlights. The Boeing Company
- [STC ST03186NY](https://openairdocs.org/stc/ST03186NY): Installation of a Panasonic Global Communication Suite (GCS) Antenna. Delta Engineering Corporation
- [STC SA2622NM](https://openairdocs.org/stc/SA2622NM): Installation of Precise Flight Pulselite Control Unit in landing/taxi system. (767-200 B17) (DHC-8 101). Precise Flight Inc
- [STC ST03187NY](https://openairdocs.org/stc/ST03187NY): Installation of a Panasonic Global Communication Suite (GCS). Delta Engineering Corporation
- [STC ST04635NY](https://openairdocs.org/stc/ST04635NY): Installation of Data Transmission & Automatic Calling. APTOZ EHF
- [STC ST03562AT](https://openairdocs.org/stc/ST03562AT): Modification of Passenger Aircraft to Freighter Configuration. STE Pensacola Aerospace, Inc
- [STC ST03952AT](https://openairdocs.org/stc/ST03952AT): Modification of Passenger Aircraft to Cargo/Passenger (Combi) Configuration. STE Pensacola Aerospace, Inc
- [STC ST12026AT](https://openairdocs.org/stc/ST12026AT): Installation of Portable Emergency Locator Transmitter. Delta Flight Products LLC
- [STC SA5040NM](https://openairdocs.org/stc/SA5040NM): Installation of cargo pallet and net. Satco Inc
- [STC ST02258LA-D](https://openairdocs.org/stc/ST02258LA-D): Installation of Row 44 Wireless Broadband System Activation. Anuvu IFC Corporation
- [STC ST02904CH](https://openairdocs.org/stc/ST02904CH): Installation of Row 44 Wireless Broadband System Provisions. ANUVU OPERATIONS LLC
- [STC ST03450AT](https://openairdocs.org/stc/ST03450AT): Installation of a horse stall system. Gregory Jackson
- [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 ST03885AT](https://openairdocs.org/stc/ST03885AT): Installation of an Avionica, Inc. avCM Cellular Module. Aircraft Systems and Manufacturing Inc
- [STC SA4203NM-D](https://openairdocs.org/stc/SA4203NM-D): Installation of one (1) galley G4A storage unit. Safran Cabin Inc
- [STC SA4210NM-D](https://openairdocs.org/stc/SA4210NM-D): Installation of one class divider. Safran Cabin Inc
- [STC SA4561NM](https://openairdocs.org/stc/SA4561NM): Installation of Driessen Galleys. Safran Cabin Inc
- [STC SA5819NM](https://openairdocs.org/stc/SA5819NM): Installation of closet and class divider. Safran Cabin Inc
- [STC SA6005NM](https://openairdocs.org/stc/SA6005NM): Installation of galleys, stowage unit, doghouses and curtain tracks. Safran Cabin Inc
- [STC ST00247LA](https://openairdocs.org/stc/ST00247LA): Installation of Closet. Safran Cabin Inc
- [STC ST00487LA](https://openairdocs.org/stc/ST00487LA): Installation of stowage bin door kit. Safran Cabin Inc
- [STC ST00657SE](https://openairdocs.org/stc/ST00657SE): Installation of ATIX2 Interior retrofit kit. Safran Cabin Inc
- [STC ST00784SE](https://openairdocs.org/stc/ST00784SE): Installation of ATIX 2 Interior retrofit kit. Safran Cabin Inc
- [STC ST00869SE](https://openairdocs.org/stc/ST00869SE): Modification to overhead stowage bins located in passenger cabin to extend bins inboard. Safran Cabin Inc
- [STC ST00955LA](https://openairdocs.org/stc/ST00955LA): Installation of bin extension assembly. Safran Cabin Inc
- [STC ST01144LA](https://openairdocs.org/stc/ST01144LA): Installation of a L/H closet p/n 501081-1. Safran Cabin Inc
- [STC ST01145LA](https://openairdocs.org/stc/ST01145LA): Installation of a R/H Divider p/n 501082-1. Safran Cabin Inc
- [STC ST01146LA](https://openairdocs.org/stc/ST01146LA): Installation of a Curtain Header p/n 501083-1. Safran Cabin Inc
- [STC ST01151LA](https://openairdocs.org/stc/ST01151LA): Installation of a closet P/N 501084-1. Safran Cabin Inc
- [STC ST01187LA](https://openairdocs.org/stc/ST01187LA): Installation of a G4A Galley. Safran Cabin Inc
- [STC ST01334LA](https://openairdocs.org/stc/ST01334LA): Installation of a reinforced cockpit door. Safran Cabin Inc

All 721: https://openairdocs.org/aircraft/N661DN/stcs.md

## Related

- Other Boeing 757-232 aircraft: https://openairdocs.org/model/boeing-757-232/aircraft.md
- The Pratt & Whitney PW2037 engine: https://openairdocs.org/engine/pratt-whitney-pw2037.md

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