# N552NW: 2001 Boeing 757-251

- Status: Valid registration
- Airframe: [Boeing 757-251](https://openairdocs.org/model/boeing-757-251) (registry code 1384970, 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: 26499
- Year built: 2001
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: July 28, 2001
- Certificate issued: December 31, 2009
- Expires: June 30, 2029
- Mode S code: A7081A
- 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=552NW
- Page: https://openairdocs.org/aircraft/N552NW

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 757-251)

- [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/N552NW/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 N552NW.

## FAA accident and incident reports

None matched to N552NW.

## Service difficulty reports (153, 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 DALA2026090304975](https://openairdocs.org/sdr/DALA2026090304975), Aug 30, 2026: LINER. OUT OF POSITION. DOOR ARMED KNUCKLE KNOCKER INOPERATIVE AT LOCATIONS:602. ADJUSTED PASSENGER DOOR LINING IAW AMM 52-11 OPS CHKD NORMAL. (1786223)(AIRCRAFT GROUNDED)
- [SDR DALA2026082704859](https://openairdocs.org/sdr/DALA2026082704859), Aug 20, 2026: SKIN. PUNCTURED. PUNCTURE ON INNER SKIN (ABOVE EMERGENCY MECHANISM COVER) AT 4L PASSENGER DOOR. REPAIRED PER PRI 636214-14 (1766271)(AIRCRAFT GROUNDED)
- [SDR DALA2026063003864](https://openairdocs.org/sdr/DALA2026063003864), Jun 26, 2026: COVER. LOOSE. L3 SLIDE LIGHT INOPERATIVE. FOUND AFT PROXIMITY SENSOR COVER AT DOOR 3L LOOSE & DETACHED. RESECURED & NO LONGER INTERFERES WITH SENSOR. SLIDE LIGHT CHKD NORMAL.
- [SDR DALA2026061803655](https://openairdocs.org/sdr/DALA2026061803655), Jun 16, 2026: INDICATOR. DAMAGED. SLIDE INDICATOR LIGHT INOPERATIVE OR DAMAGED. R & R SLIDE LIGHT CAP IAW AMM 33-51. OPS CKD NORMAL. (1650647) AIRCRAFT WAS GROUNDED
- [SDR DALA2026061603610](https://openairdocs.org/sdr/DALA2026061603610), Jun 14, 2026: GIRT BAR. DIRTY. R1 DOOR SLIDE LIGHT INOP. CLEANED GIRT BAR CHECK OK. (1646707) AIRCRAFT WAS GROUNDED
- [SDR DALA2026021701086](https://openairdocs.org/sdr/DALA2026021701086), Feb 13, 2026: HANDLE. BROKEN. L3 INTERIOR DOOR HANDLE BROKEN. R & R L3 INTERIOR DOOR HANDLE IAW AMM 52-11. (8560746).
- [SDR DALA2026021201020](https://openairdocs.org/sdr/DALA2026021201020), Feb 11, 2026: INDICATOR. MALFUNCTIONED. CAPTAIN`S AIRSPEED INDICATOR FLAG IN VIEW. REPLACED CAPT AIRSPEED INDICATOR.
- [SDR DALA2026021201019](https://openairdocs.org/sdr/DALA2026021201019), Feb 10, 2026: CONTROL UNIT. FAULTED. SHIP 5652 MISC/DE- CREW DECLARED EMERGENCY INTO ATL DUE TO ANTISKID EICAS MESSAGE IN FLIGHT. C/W QRH. UNEVENTFUL LANDING. CORRECTIVE ACTION: R/R ANTISKID AUTOBR
- [SDR DALA2025090206481](https://openairdocs.org/sdr/DALA2025090206481), Aug 27, 2025: LINER. OUT OF ADJUST. ESCAPE SLIDE ARMED CONDITION INDICATORS 1R. FOUND R1 DOOR LINER RUBBING AGAINST INDICATOR, ADJUSTED DOOR LINER, PERFORMED DOOR EMERGENCY MECHANISM SYSTEM TEST I
- [SDR DALA2025081906202](https://openairdocs.org/sdr/DALA2025081906202), Aug 18, 2025: TRANSCEIVER. INOPERATIVE. -MISC/DE- DUE TO GEAR NOT DOWN GPWS WARNING. REPLACED LEFT RADIO ALTIMETER TRANSCEIVER.
- [SDR DALA2025060904377](https://openairdocs.org/sdr/DALA2025060904377), Jun 8, 2025: NONE. NONE. SHIP0 5652 C/W PRI/ERA 626959-14, REV ORIG. / PRI 626959-14, REV 0. CORRECTIVE ACTION: COMPLIED WITH PRI/ERA 626959-14, REV ORIG. / PRI 626959-14, REV 0. (10127
- [SDR DALA2025041402906](https://openairdocs.org/sdr/DALA2025041402906), Apr 12, 2025: CONTROL UNIT. FAULTED. SHIP 5652 -DIV/DE- CREW DIVERTED TO ATL DUE TO ANTISKID MESSAGE IN FLIGHT. C/W QRH. UNEVENTFUL LANDING. CORRECTIVE ACTION: R/R NBR 3 A/S XDCR AND ANTISKID AUTOB
- [SDR DALA2025010212121](https://openairdocs.org/sdr/DALA2025010212121), Dec 29, 2024: A/C PACK. CONTAMINATED. SHIP 5652 AFTER DUAL ENGINE START ON THE RAMP, AFT FAS NOTIFIED PILOTS NOTIFIED PILOTS OF VERY STRONG FUEL ODOR. THE SMELL CONTINUED CAUSING FAS TO FEEL A HEADA
- [SDR DALA2024121911849](https://openairdocs.org/sdr/DALA2024121911849), Dec 16, 2024: RESERVOIR. INOPERATIVE. SHIP 5652 1R EMERGENCY RESERVOIR WAS FOUND WITH PRESSURE 0 PSI AT PASSENGER CABIN. (IN REF NRC 00745). CORRECTIVE ACTION: SUMMARY OF NRC 00748: 1R EMERGENCY RES
- [SDR DALA2024121611753](https://openairdocs.org/sdr/DALA2024121611753), Dec 13, 2024: HINGE ARM. WORN. SHIP 5652 DURING DOOR SERVICE, WAS FOUND WEAR ON LOWER HINGE ARM FROM 4L PASSENGER DOOR. REF. AMDS 5211-6001-4L. CORRECTIVE ACTION: SUMMARY OF NRC 00708: LOWER 
- [SDR DALA2024121611750](https://openairdocs.org/sdr/DALA2024121611750), Dec 13, 2024: FRAME. CRACKED. SHIP 5652 02 CRACKS WERE FOUND AT 10 AND 2 O CLOCK POSITION OF: 0.250 IN. LENGTH ON INBOARD HOLE FRAME STA: 215.5 STRINGER 29LH AT E&E COMPARTMENT IN REFERENCE 
- [SDR DALA2024121311711](https://openairdocs.org/sdr/DALA2024121311711), Dec 12, 2024: FRAME. CRACKED. SHIP 5652 DTA MONITOR INSPECTION LOG REF ERA 622397-14 FUSELAGE / FRAME / STA 215.25 / S30-S29L / CRACK. CORRECTIVE ACTION: REF ERA 622397-14. (0707369)
- [SDR DALA2024121211691](https://openairdocs.org/sdr/DALA2024121211691), Dec 11, 2024: HINGE ARM. DAMAGED. SHIP 5652 DURING DOOR SERVICE, WAS FOUND WEAR ON LOWER HINGE ARM FROM 1R PASSENGER DOOR. REF. AMDS. CORRECTIVE ACTION: SUMMARY OF NRC 00659: LOWER HINGE ARM FRO
- [SDR DALA2024121211687](https://openairdocs.org/sdr/DALA2024121211687), Dec 11, 2024: SERVICE PANEL. CORRODED. SHIP 5652 CORROSION ON LAVATORY SERVICE PANEL INNER AREA BTW STA 1680 TO 1700, S29R TO S27R AT AFT CARGO COMPARTMENT. CORRECTIVE ACTION: SUMMARY OF NRC 00510. L
- [SDR DALA2024121111642](https://openairdocs.org/sdr/DALA2024121111642), Dec 10, 2024: FLOOR SUPPORT. CORRODED. SHIP 5652 IN REFERENCE NRC 00390: CORROSION ON FLOOR STRINGER BTW STA 1330 LBL 2, RBL 2,7,10,15 AND STA 1374 RBL 7, 15 AT AFT CARGO COMPARMENT. CORRECTIVE ACTIO
- [SDR DALA2024121111641](https://openairdocs.org/sdr/DALA2024121111641), Dec 9, 2024: FLOOR SUPPORT. CORRODED. SHIP 5652 IN REF TO NRC 00365: CORROSION ON FLOOR STRINGER STA 750 LBL 15 AT FWD CARGO COMP. CORRECTIVE ACTION: SUMMARY OF NRC 00687: FLOOR STRINGER STA 750 LBL
- [SDR DALA2024120611502](https://openairdocs.org/sdr/DALA2024120611502), Dec 5, 2024: SEAT TRACK. CORRODED. SHIP 5652 IN REF. NRC 00533 WIP# 4 CORROSION ON OUTBOARD SEAT TRACK RH BTW STA 680 AND STA 690 AT PAX CABIN. CORRECTIVE ACTION: SUMMARY OF NRC 00646. SEAT TRACK
- [SDR DALA2024120611501](https://openairdocs.org/sdr/DALA2024120611501), Dec 5, 2024: PLATE. CORRODED. SHIP 5652 CORROSION ON SIDE PLATE UPPER AND LOWER SURFACE ALSO CORROSION ON NUTS BTW STA Y=1380 TO STA Y=1440 S26R-S27R AT AFT CARGO COMPARMENT (C2 DOOR LOWER S
- [SDR DALA2024120311432](https://openairdocs.org/sdr/DALA2024120311432), Dec 2, 2024: FAIRING. CORRODED. SHIP 5652 CORROSION ON LOWER SURFACE OF BODY FAIRING SUPPORT BELOW NUT PLATE STA 900 BTW STRG 29R/30 AT EXTERNAL FUSELAGE. CORRECTIVE ACTION: SUMMARY OF NRC 003
- [SDR DALA2024120311430](https://openairdocs.org/sdr/DALA2024120311430), Nov 30, 2024: FRAME. DENTED. SHIP 5652 DENT ON FRAME STA 1320 BTW STRG 27R AND 26R AT AFT CARGO COMP. CORRECTIVE ACTION: SUMMARY OF NRC 00640. FRAME STA 1320 BTW STRG 27R AND 26R AT AFT CAR
- [SDR DALA2024120311429](https://openairdocs.org/sdr/DALA2024120311429), Nov 30, 2024: FRAME. DENTED. SHIP 5652 DENT ON FRAME STA 1320 BTW STRG 27R AND 26R AT AFT CARGO COMP. CORRECTIVE ACTON: SUMMARY OF NRC 00640. FRAME STA 1320 BTW STRG 27R AND 26R AT AFT CARG
- [SDR DALA2024120211350](https://openairdocs.org/sdr/DALA2024120211350), Nov 28, 2024: PLATE. CORRODED. SHIP 5652 CORROSION ON SIDE PLATE UPPER AND LOWER SURFACE ALSO CORROSION ON NUTS BTW STA Y=1410 TO STA Y=1530 S26L-S27L AT AFT CARGO COMPARMENT C2. CORRECTIVE A
- [SDR DALA2024120211351](https://openairdocs.org/sdr/DALA2024120211351), Nov 27, 2024: GIRT BAR. ABNORMAL. SHIP 5652 IN REFERENCE AMDS:2561-01257-01D STEP12. OUT OF LIMITS BTW GIRT BAR SLIDER AND FWD AND AFT FLOOR FITTINGS AT RIGHT NO. 2 PASSENGER DOOR. CORRECTIVE AC
- [SDR DALA2024112211149](https://openairdocs.org/sdr/DALA2024112211149), Nov 21, 2024: SKIN. NOT REPORTED. SHIP 5652 FUSELAGE / SKIN AT FWD ATG4 ANTENNA / FS 508-520 BETWEEN S-28R & S 28L / EXTENSION OF DOUBLER DTE REQUIRED IN 12 MONTHS ACCORDING TO ERA 547524-14 REV
- [SDR DALA2024091208964](https://openairdocs.org/sdr/DALA2024091208964), Sep 11, 2024: DOUBLER. NOT REPORTED. SHIP 5652 FORWARD LOWER ATG4 ANTENNA DOUBLER - ENGINEERING NEEDS INSTALLATION DETAILS. CORRECTIVE ACTION: REF ERA 547524-14. (0551587)
- [SDR DALA2024041004282](https://openairdocs.org/sdr/DALA2024041004282), Apr 8, 2024: INDICATOR. INOPERATIVE. SHIP 5652 2R KNUCKLE KNOCKER INOP. CORRECTIVE ACTION: REMOVED DEBRIS. CYCLED ARMING LEVER SEVERAL TIMES. OPS CHECKS GOOD. (5756362)
- [SDR DALA2024022602686](https://openairdocs.org/sdr/DALA2024022602686), Feb 24, 2024: GIRT BAR. TANGLED. SHIP 5652 R1 DOOR CLOSED AND UNABLE TO ARM. CORRECTIVE ACTION: LANYARD TANGLED AROUND GIRT BAR, UNTANGLED + STOWED LANYARD DOOR OPS CHK NORMAL OK FOR SVC B757 A
- [SDR DALA2024022602689](https://openairdocs.org/sdr/DALA2024022602689), Feb 23, 2024: LINE. UNSECURE. SHIP 5652 AT DEPT 2L MOORING LINE HANGING FROM DOOR. CORRECTIVE ACTION: RESTOWED MOORING LINE OPN OK GOOD, (5406908)
- [SDR DALA2024022002356](https://openairdocs.org/sdr/DALA2024022002356), Feb 19, 2024: VALVE. WARNING MESSAGE. SHIP 5652 - PRES/DE - LOST BOTH ENGINE BLEEDS AT CRUISE WITH ANTI-ICE ON. CORRECTIVE ACTION: REPLACED LEFT PRSOV AND OVERTEMP SENSOR. REPLACED RIGHT PRSOV, HPSO
- [SDR DALA2024013101430](https://openairdocs.org/sdr/DALA2024013101430), Jan 30, 2024: GIRT BAR. FOD. SHIP 5652 F/A REPORTS UNABLE TO ARM L2 DOOR. CORRCTIVE ACTION: FOUND DEBRI STUCK TO GIRT BAR RMVD DEBRIS FROM GIRT BAR AND OPERATED DOOR, DOOR ARM/ DISARMED NOR
- [SDR DALA2024010200071](https://openairdocs.org/sdr/DALA2024010200071), Dec 30, 2023: UNKNOWN. UNKNOWN. SHIP 5652 DOOR 2L WOULD NOT ARM. CORRECTIVE ACTION: LANYARD INTERFERING WITH GIRT BAR, REPOSITIONED, DOOR ARMS NORMAL. (4323670)
- [SDR DALA2024010200065](https://openairdocs.org/sdr/DALA2024010200065), Dec 29, 2023: UNKNOWN. UNKNOWN. SHIP 5652 DOOR ARMED KNUCKLE KNOCKER INOPERATIVE / LOCATIONS: 1R. CORRECTIVE ACTION: CHECKED R1 DOOR KNUCKLE KNOCKER. OPS NORMAL. REF B757 AMM 52-11. (0131609)
- [SDR DALA2023122610611](https://openairdocs.org/sdr/DALA2023122610611), Dec 22, 2023: UNKNOWN. UNKNOWN. SHIP 5652 UNABLE TO ARM DOOR AT 2L. CORRECTIVE ACTION: REMOVED TRASH FROM DOOR. DOOR CHECKS OK PER B757 AMM REF 25-66. OK FOR SERVICE. (4323642)
- [SDR DALA2023120509969](https://openairdocs.org/sdr/DALA2023120509969), Dec 4, 2023: UNKNOWN. UNKNOWN. SHIP 5652 DOOR 2L WILL NOT ARM. CORRECTIVE ACTION: REMOVED DEBRIS FROM L2 DOOR GIRT BAR FITTING OPS CHECKS NORMAL DOOR ARMS AND DISARMS REF B757 AMM 25-46 A/C O
- [SDR DALA2023112709730](https://openairdocs.org/sdr/DALA2023112709730), Nov 22, 2023: UNKNOWN. UNKNOWN. SHIP 5652 2R ESCAPE SLIDE GIRT BAR ENGAGEMENT LIGHT INOP. CORRECTIVE ACTION: RESECURED BUSTLE & RMVD DEBRES. (0077691)
- [SDR DALA2023082206839](https://openairdocs.org/sdr/DALA2023082206839), Aug 20, 2023: UNKNOWN. UNKNOWN. SHIP 5652 CEILING EMERGENCY LIGHT ABOVE ROW 3C INOPERATIVE. CORRECTIVE ACTION: REATTACHED LIGHT ASY IAW B757 33-51-05. LIGHT TEST GOOD. (4481789)
- [SDR DALA2023081006529](https://openairdocs.org/sdr/DALA2023081006529), Aug 6, 2023: UNKNOWN. UNKNOWN. SHIP 5652 1R DOOR SLIDE ROPE IS HANGING LOOSE. CORRECTIVE ACTION: RESECURED ROPE, OPERATED DOOR 1R ARM/DISARM MECHANISM PER B757 AMM 25-66 OPS CHECKS GOOD. (448
- [SDR DALA2023052204056](https://openairdocs.org/sdr/DALA2023052204056), May 18, 2023: UNKNOWN. UNKNOWN. SHIP 5652 FOUND GIRT BAR ON 1R DOOR ON THE FLOOR. CORRECTIVE ACTION: INSTALLED NEW SLIDE FEET TO GIRT BAR IAW B757-200 AMM 25-66-10 1R DOOR ENGAGES MECHANICALLY
- [SDR DALA2023052204057](https://openairdocs.org/sdr/DALA2023052204057), May 17, 2023: UNKNOWN. UNKNOWN. SHIP 5652 ESCAPE SLIDE GIRT BAR ENGAGEMENT LIGHTS - 1R SLIDE ARM LIGHT INOP - 1R SLIDE ARM LIGHT INOP. REPLACED GIRT BAR SWITCH PER B717 AMM 25-66.OPS CHECK GOO
- [SDR DALA2023051803981](https://openairdocs.org/sdr/DALA2023051803981), May 14, 2023: UNKNOWN. UNKNOWN. SHIP 5652 CHORD HANGING FROM BOTTOM OF R1 DOOR. CORRECTIVE ACTION: TOWED RAFT CHORD REF B757AMM 25-66. (4076268)
- [SDR DALA2023032402300](https://openairdocs.org/sdr/DALA2023032402300), Mar 24, 2023: UNKNOWN. UNKNOWN. SHIP 5652 -DIVERSION/IFSD- DIVERSION TO MCO WITH DECLARED EMERGENCY DUE TO RIGHT ENGINE OIL TEMP IN THE RED BAND. FLIGHT CREW PERFORMED IFSD PER QRH. CORRECTIVE
- [SDR DALA2023032402295](https://openairdocs.org/sdr/DALA2023032402295), Mar 22, 2023: UNKNOWN. UNKNOWN. SHIP 5652 FINDING OF EMERGENCY LENS COVERS AT 2L/2R DOOR SET UP TO REPLACE AS REQUIRED. CORRECTIVE ACTION: REMOVED LENS ON 2R DOOR LENS WEAS NOT APPLICABLE, INS
- [SDR DALA2023020901033](https://openairdocs.org/sdr/DALA2023020901033), Feb 6, 2023: UNKNOWN. UNKNOWN. SHIP 5652 FRAME DENTED IN AFT PIT, ST 1400 S27L-S26L. CORRECTIVE ACTION: REPAIRED FRAME AT AFT CARGO STA 1400 S27L - S26L PER B757-200 SRM. (2617536)
- [SDR DALA2023011000207](https://openairdocs.org/sdr/DALA2023011000207), Jan 7, 2023: BRACKET. DAMAGED. FLOOR EMERGENCY LIGHT DAMAGED OR INOPERATIVE. REPLACED LIGHT MOUNTING BRACKET. (2571353)
- [SDR DALA2022121908217](https://openairdocs.org/sdr/DALA2022121908217), Dec 16, 2022: INDICATOR. FAULTED. 1R DOOR KNUCKLE KNOCKER WAS NOTICED NOT FULLY EXTENDED IN FLIGHT AND WHEN CYCLED ON THE GROUND IT WOULD NOT MOVE TO THE CORRECT POSITION. ADJUSTED TRIM ON DOOR 

All 153: https://openairdocs.org/aircraft/N552NW/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 757-251)

- [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/N552NW/stcs.md

## Related

- Other Boeing 757-251 aircraft: https://openairdocs.org/model/boeing-757-251/aircraft.md
- The Pratt & Whitney PW2037 engine: https://openairdocs.org/engine/pratt-whitney-pw2037.md

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