# N508UA: 1990 Boeing 757-222

- Status: Valid registration
- Airframe: [Boeing 757-222](https://openairdocs.org/model/boeing-757-222) (registry code 1384956, 178 seats)
- Engine: [Pratt & Whitney PW2040](https://openairdocs.org/engine/pratt-whitney-pw2040) (registry code 52121)
- Data sheets: [TCDS A2NM](https://openairdocs.org/tcds/A2NM) (The Boeing Company), [TCDS E17NE](https://openairdocs.org/tcds/E17NE) (Pratt & Whitney) (OpenAirDocs)
- Serial number: 24744
- Year built: 1990
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: April 18, 1990
- Certificate issued: September 16, 2013
- Expires: September 30, 2029
- Mode S code: A6596B
- Registered owner: [United Airlines Inc](https://openairdocs.org/faa-owner/UNITED%20AIRLINES%20INC)
- Location: [Chicago, IL](https://openairdocs.org/faa-place/IL/Chicago)
- Owner type: Corporation
- Owner's area on the map: 41.8813° N, 87.6375° W: Placed by OpenAirDocs at the center of ZIP code 60606, 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=508UA
- Page: https://openairdocs.org/aircraft/N508UA

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 757-222)

- [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 PW2040)

- [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/N508UA/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 (3)

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 SEA08LA061](https://openairdocs.org/ntsb/SEA08LA061), Jan 14, 2008: Boeing 757-222 (N508UA), San Francisco, CA, substantial damage. Probable cause: The company tug operator's failure to maintain clearance with another aircraft during the pushback process. Also causal was the ground controller's failure to alert the pilot of the other aircraft…
- [NTSB DEN93LA098](https://openairdocs.org/ntsb/DEN93LA098), Aug 2, 1993: Boeing 757-222 (N508UA), Denver, CO, substantial damage. Probable cause: THE FIRST OFFICER'S IMPROPER RECOVERY FROM A BOUNCED LANDING. FACTORS WERE: THE FIRST OFFICER'S DELAYED INITIATION OF THE FLARE, AND THE CAPTAIN'S IMPROPER SUPERVISION OF THE FLIGHT.
- [NTSB DEN93IA027](https://openairdocs.org/ntsb/DEN93IA027), Feb 14, 1993: Boeing 757-222 (N508UA), Grand Junction, CO, incident, no damage. Probable cause: FAILURE OF THE LEFT GENERATOR CONTROL UNIT (GCU), INTEGRATED DRIVE GENERATOR (IDG), RIGHT (SIDE) ENGINE INDICATOR AND CREW ALERT SYSTEM (EICAS), AND BUS TIE BAR (BTB).

## FAA accident and incident reports (4)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20080113000352A](https://openairdocs.org/incident/20080113000352A), Jan 13, 2008: Boeing 757222 (N508UA), San Francisco, CA, Substantial damage. (-23) On January 13, 2008 at San Francisco International Airport, approximately 1932 hrs PST two aircraft backed into each other during push back. The united…
- [Incident 19990302016819I](https://openairdocs.org/incident/19990302016819I), Mar 2, 1999: Boeing 757222 (N508UA), Detroit, MI. (-5)On March 2, 1999, while climbing in the vicinity of the carleton VOR, Michigan, 3 of the four flight attendants in the extreme aft portion of united…
- [Accident 19930802031169A](https://openairdocs.org/incident/19930802031169A), Aug 2, 1993: Boeing 757222 (N508UA), Denver, CO, Substantial damage. Bounced on landing. Assumed nose high attitude and dragged tail on runway.
- [Incident 19930213006269I](https://openairdocs.org/incident/19930213006269I), Feb 13, 1993: Boeing 757222 (N508UA), Grand Junction, CO. Left generator off line. Acrid odor. APU started. Diverted to Grand juction.

## Service difficulty reports (96, 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 CALA2013101692109](https://openairdocs.org/sdr/CALA2013101692109), Sep 27, 2013: MANIFOLD. CRACKED. FOUND FUEL MANIFOLD ASSEMBLY 344N2014-1 INSIDE 531BB WAS CRACKED. REMOVED FUEL MANIFOLD ASSEMBLY 344N2014-1. WELD REPAIRED FUEL MANIFOLD ASSEMBLY UNDER R & R 12
- [SDR CALA2013092791518](https://openairdocs.org/sdr/CALA2013092791518), Sep 25, 2013: TUBE. RUPTURED. UNWANTED FUEL TRANSFER INTO CENTER TANK WHILE FUELING WITH CENTER FUEL VALVE CLOSED. APPROXIMATELY 100 LBS OF FUEL RISE PER MIN WITH TRUCK SHOWING 40 PSI NOZZLE
- [SDR CALA2013091091189](https://openairdocs.org/sdr/CALA2013091091189), Sep 9, 2013: FLOOR PANEL. DAMAGED. SPONGY FLOOR AT DOOR 2L & SEAT 5A. REPLACED AISLE FLOOR PANEL AT DOOR 2L & SEAT 5B IAW EC-RA:# 5100-02477. SECURED CARPET AT PANEL.
- [SDR UALA2013072605256](https://openairdocs.org/sdr/UALA2013072605256), Jul 25, 2013: FLOORBOARD. DAMAGED. CABIN FLOORBOARD AT MID LAV HAS A SOFT SPOT. FLOORBOARD IN FRONT OF MID LAV HAS DELAMINATION APPROXIMATELY ABOUT 22 BY 13 INCHES. REPAIRED IAW MM53-00-99.
- [SDR UALA2013040802344](https://openairdocs.org/sdr/UALA2013040802344), Apr 4, 2013: MAGNET. UNSECURE. R2 SLIDE LIGHT WENT OUT ON FINAL DESCENT. SECURED FORWARD GIRT BAR SWITCH MAGNET. CHECKED GIRT BAR FOR ENGAGEMENT AND SLIDE LIGHT CHECK OKAY.
- [SDR UALA2013040402209](https://openairdocs.org/sdr/UALA2013040402209), Apr 3, 2013: CONTACT. DIRTY. SLIDE LIGHT INOPERATIVE AT R2 DOOR. CLEANED LENS & CONTACTS FOR LIGHT ASSY L406, CHECKED OKAY.
- [SDR UALA2013031901671](https://openairdocs.org/sdr/UALA2013031901671), Mar 18, 2013: SKIN. DAMAGED. SKIN DAMAGED. REPAIRED IAW ECRA 5330-04221.
- [SDR UALA2012121207163](https://openairdocs.org/sdr/UALA2012121207163), Dec 10, 2012: SLIDING WINDOW. FAULTY. WINDOW EICAS MSG DISPLAYED POSITION 4. (1=L FWD, 2=L SIDE, 3=R FWD, 4=R SIDE) INOP LIGHT ILLUM. FOUND FO'S SLIDING WINDOW R2 HEATER RESISTANCE READING 200 OHMS.
- [SDR UALA2012102606163](https://openairdocs.org/sdr/UALA2012102606163), Oct 25, 2012: LIGHT. UNSECURE. FIRE LIGHT ON FWD PANEL NEEDS TO BE RELAMPED. SECURED LIGHT ASSY, LIGHT TEST GOOD.
- [SDR UALA2012062203329](https://openairdocs.org/sdr/UALA2012062203329), Jun 15, 2012: COVER. OUT OF POSITION. WITH OVERHEAD PANEL SWITCH IN ARMED POSITION, UNARMED LIGHT ILLUM AND MSG DISPLAYED. RE-INSTALLED EMERGENCY LIGHT SWITCH COVER IN PROPER CONFIG. EMERGENCY LIGHT
- [SDR UALA2012061203239](https://openairdocs.org/sdr/UALA2012061203239), Jun 12, 2012: SLIDE. DISLODGED. SLIDE PACK FELL OUT AT 4L. INSPECTED AND REINSTALLED SLIDE PACK.
- [SDR UALA2012052702955](https://openairdocs.org/sdr/UALA2012052702955), May 25, 2012: WIRE HARNESS. DAMAGED. 20C HAS WIRES HANGING FROM SEAT. WIRES ARE FOR EMERGENCY EXIT LIGHTS, 20ABC THRU 25ABC EMERGENCY LIGHTS INOPERATIVE DUE TO DAMAGED HARNESS.
- [SDR UALA2012051002705](https://openairdocs.org/sdr/UALA2012051002705), May 4, 2012: UNKNOWN. ODOR. ODOR LIKE OVERHEATED PACK FOR 2 MINUTES AFTER TAKEOFF. PACK OPERATIONS WAS NORMAL ON BOTH GROUND AND AFTER TAKEOFF. PER ECS PAGE, ALL ZONE TEMPS NORMAL EXCEPT A
- [SDR UALA2012041302233](https://openairdocs.org/sdr/UALA2012041302233), Apr 12, 2012: GIRT BAR. UNSECURE. GIRT BAR CAME LOOSE AT DOOR 3R, WHEN CATERING OPENED DOOR. SECURED GIRT BAR PER AMM.
- [SDR UALA2012040902158](https://openairdocs.org/sdr/UALA2012040902158), Apr 7, 2012: SKIN. DENTED. DENT NOTICED ON LDG EDGE OF LEFT HORIZONTAL STAB. DENT SIZE 5 INCHES BY 3 INCHES BY .125 DEPTH, ACCOMPLISHED INTERIM REPAIR PER EC-RA 5517-01001.
- [SDR UALA2012040302063](https://openairdocs.org/sdr/UALA2012040302063), Apr 3, 2012: SKIN. DENTED. DENT ON LEADING EDGE OF LEFT HORIZONTAL STAB. DENT SIZE 5 BY 3 INCHES BY .125 DEPTH, ACCOMPLISHED INTERIM REPAIR PER EC-RA 5517-01001.
- [SDR UALA2012040202007](https://openairdocs.org/sdr/UALA2012040202007), Mar 31, 2012: SKIN. DENTED. LOWER FUSELAGE SKIN BS 1618 S18R AND S19R DENTED. ACCOMPLISHED INTERIM REPAIR PER ECRA 5330-04224. MAJOR REPAIR
- [SDR UALA2012040202033](https://openairdocs.org/sdr/UALA2012040202033), Mar 30, 2012: SKIN. DAMAGED. SKIN DAMAGED. REPAIRED AT BS 1620 S18-19R PER ECRA 5330-04224.
- [SDR UALA2012040202006](https://openairdocs.org/sdr/UALA2012040202006), Mar 30, 2012: SKIN. DAMAGED. SKIN DAMAGED, REPAIRED AT DOOR 1R AT LWR DOOR CUTOUT PER ECRA 5330-04221.
- [SDR UALA2012040202004](https://openairdocs.org/sdr/UALA2012040202004), Mar 30, 2012: SKIN. CORRODED. LOWER FUSELAGE SKIN BULGING AT BS 1714 TO 1719 LBL-16. INSTALLED REPLACEMENT SKIN PANEL BS 1621-1720 S-26L TO S-26R. ALL WORK PERFORMED PER ECRA 5330-04223 AND 
- [SDR UALA2012032901978](https://openairdocs.org/sdr/UALA2012032901978), Mar 29, 2012: SKIN. DAMAGED. FUSELAGE SKIN AND STRINGER DAMAGED STA 1720-1740 AT S-15AL REF SCAL LP 9963950, 9964047. MAJOR REPAIR ACCOMPLISHED: INSTALLED FUSELAGE SKIN AND STRINGER REPAIRS
- [SDR UALA2012032701931](https://openairdocs.org/sdr/UALA2012032701931), Mar 26, 2012: STRINGER. BENT. STR S-14L BENT STA 630 REF SCAL LP 9664075. REPAIR ACCOMPLISHED ON SCAL NON ROUTINE 9664075. ALSO SEE PTT 5972065 FOR ADDITIONAL INFORMATION.
- [SDR UALA2012032601901](https://openairdocs.org/sdr/UALA2012032601901), Mar 25, 2012: STRINGER. DAMAGED. STRINGER S-14L DAMAGED STA 600-630 REF SCAL LP 9964075,9965403,9965693. MAJOR REPAIR ACCOMPLISHED: INSTALLED STRINGER REPAIRS STA 580-640.
- [SDR UALA2012022401130](https://openairdocs.org/sdr/UALA2012022401130), Feb 22, 2012: FLOOR SUPPORT. CRACKED. FOUND CRACK IN LONGITUDINAL FLOORBOARD SUPPORT ANGLE BETWEEN STA 460-480 AT BL 0. REPLACED FLOOR SUPPORT.
- [SDR UALA2012022001020](https://openairdocs.org/sdr/UALA2012022001020), Feb 20, 2012: CONTROL CABLE. OUT OF RIG. AT CRUISE ACFT WOULD START TO ROLL LEFT AND HAD TO INPUT RUDDER TRIM TO LEVEL OFF. ACCOMPLISHED REVIEW OF AMIS HSI, AND AILERONS. ACCOMPLISHED RIG CHECK OF AILE
- [SDR UALA2012020300684](https://openairdocs.org/sdr/UALA2012020300684), Feb 3, 2012: ACTUATOR. FAULTY. FIRST OFFICER'S CONTROL WHEEL LOOSE. REPLACED ACTUATORS AT POSITIONS 1,4,5&6. INBOUND CREW DEFECT REPORT WAS FOR EXCESSIVE RUDDER TRIM IN CRUISE FOLLOWED LATER 
- [SDR UALA2012011200262](https://openairdocs.org/sdr/UALA2012011200262), Jan 12, 2012: LIGHT. INOPERATIVE. EEL LIGHTS ON SEAT NR 1 AND SEAT NR 20 IS INOP. RELAMPED AFT EEL STRIP AT 1AB PER MM AND SECURED EEL STRIP CONNECTOR AT 20ABC. BOTH STRIPS OP OK.
- [SDR UALA2011101905659](https://openairdocs.org/sdr/UALA2011101905659), Oct 18, 2011: LINE. LEAKING. FLUID LEAK FROM LEFT ENGINE PYLON DRAIN TUBE. LOCATED ON LOWER AFT CORNER OF ENGINE PYLON. MAINT TEXT: FOUND LARGE HYD LINE DRIPPING INSIDE AFT SIDE OF PYLON. U
- [SDR UALA2011101705634](https://openairdocs.org/sdr/UALA2011101705634), Oct 17, 2011: LINE. LEAKING. DIRTY SOCK SMELL AFTER TAKEOFF. REPEAT WRITEUP. ACP'D NR 1 ENGINE CHARGE. FLUID LEAK FROM LEFT ENGINE PYLON DRAIN TUBE. LOCATED ON LOWER AFT CORNER OF ENGINE PY
- [SDR UALA2011101005436](https://openairdocs.org/sdr/UALA2011101005436), Oct 7, 2011: BATTERY PACK. INOPERATIVE. EMERGENCY LIGHT INOPERATIVE AT SEATS 9AB, 10AB, 11AB AND 12AB. REPLACED BATTERY PACK , OPS CHECKED NORMAL.
- [SDR UALA2011101005437](https://openairdocs.org/sdr/UALA2011101005437), Oct 7, 2011: BATTERY PACK. DISCHARGED. OVERHEAD EMERGENCY LIGHTS INOP ABOVE SEATS 8AB AND 10AB. REPLACED BATTERY PACK AT SEAT 10A, LIGHTS NOT OP NORMAL.
- [SDR UALA2011092105107](https://openairdocs.org/sdr/UALA2011092105107), Sep 20, 2011: SENSOR. INOPERATIVE. THE R2 DOOR ARMED LIGHT INOPERATIVE. REPLACED R2 DOOR GIRT BAR PROXIMITY SENSORS A (S10220) AND B (S102211). R2 DOOR ARM LIGHT CHECKED OKAY.
- [SDR UALA2011090204724](https://openairdocs.org/sdr/UALA2011090204724), Sep 2, 2011: SEQUENCE VALVE. FAULTY. USED ALT GEAR TO EXTEND ON LANDING AFTER NO NOSE GEAR GREEN LIGHT. AS PER FAULT ISOLATION PROCEDURE 32-30-00 FIG 104, FOUND THE DOOR OPERATED SEQUENCE VALVE AT 
- [SDR UALA2011072503765](https://openairdocs.org/sdr/UALA2011072503765), Jul 24, 2011: FAN. FAULTY. CREW SELECTED ALTERNATE AND LIGHT REMAINED ILLUMINATED. 'AFT EQ EXH FAN 1' AND 'AFT EQ EXH FAN 2' MSG DISPLAYED. REPLACED AFT EQUIPMENT FANS 1 AND 2, OPS CHECKE
- [SDR UALA2011070803393](https://openairdocs.org/sdr/UALA2011070803393), Jul 7, 2011: TRANSCEIVER. FAULTY. AFTER TURNING ON WX RADAR GOT WXR FAIL MESSAGE SAMC TEXT: CREW REPORT CB F2 ON P11 FOR WXR RT POPPED. REPLACED WXR SCANNER ANTENNA AND WXR TRANSCEIVER. OPERATIO
- [SDR UALA2011070703383](https://openairdocs.org/sdr/UALA2011070703383), Jul 6, 2011: ACTUATOR. FAULTY. L/G DISAGREE MSG, RTFL. PER CREW, HAD LG DISAGREE MSG WITH ASC LIGHT. HEARD THUMP NOISE WHEN GEAR HANDLE SELECTED OFF AND WHEN SELECTED BACK UP. MAINT TEXT: PSE
- [SDR UALA2010100103629](https://openairdocs.org/sdr/UALA2010100103629), Oct 1, 2010: ACTUATOR. FAILED. RUDDER RATIO EICAS, FLIGHT DIVERTED. FOUND PCA FAULT BALL AND TEST FAIL FAULT BALL ON LT RUDDER RATIO CHANGER MODULE. INSTALLED NEW RRCM IN LT SIDE AND TESTED, 
- [SDR UALA2010082003072](https://openairdocs.org/sdr/UALA2010082003072), Aug 20, 2010: POWER SUPPLY. FAILED. ROW 18-26 ABC STOWBIN EMERGENCY LIGHTS DO NOT COME ON WHEN TESTED. REPLACED BATTERY POWER SUPPLY, M10818 AND BATTERY IAW MM. TESTS OK.
- [SDR UALA2010081903042](https://openairdocs.org/sdr/UALA2010081903042), Aug 18, 2010: WIRE HARNESS. DAMAGED. AISLE EMERGENCY LIGHTS AT 15 THROUGH 20 ABC DO NOT ILLUMINATE. SWAPPED INVERTER NO HELP, BATT ON ORDER. INSTALLED NEW PWR SUPPLY- NO HELP. SHORT IN SYS DUE TO S
- [SDR UALA2010081803040](https://openairdocs.org/sdr/UALA2010081803040), Aug 17, 2010: BOTTLE. READS LOW. SLIDE 3L BOTTLE PRESS INDICATOR IN THE RED. SLIDE READS LOW. REPLACED SLIDE ASSY.
- [SDR UALA2010062802290](https://openairdocs.org/sdr/UALA2010062802290), Jun 28, 2010: SKIN. DAMAGED. LT AFT OVERWING EXIT DOOR HAS A HOLE IN OUTER SKIN. MAJOR REPAIR ACCOMPLISH: REPAIRED HOLE IN OVERWING EXIT DOOR, FABRICATED A REPAIR DOUBLER, FILLER AND SHIM.
- [SDR UALA2010062802289](https://openairdocs.org/sdr/UALA2010062802289), Jun 27, 2010: RESERVOIR. READS LOW. R1 DOOR EMERGENCY POWER RESERVOIR READS NO PRESSURE. REMOVED AND REPLACED R1 DOOR EMERGENCY POWER RESERVOIR.
- [SDR UALA2010021200548](https://openairdocs.org/sdr/UALA2010021200548), Feb 12, 2010: O-RING. DAMAGED. HYDRAULIC QTY LOW , FLT DIVERTED SHUTDOWN BOTH RT SYS PUMPS AT 49 PERCENT INDICATED. SYSTEM QTY DECLINED SOME MORE-NOW DOWN TO 47 PERCENT. RT, AC HYD. PUMP PRES
- [SDR UALA2009120903807](https://openairdocs.org/sdr/UALA2009120903807), Dec 8, 2009: MECHANISM. DAMAGED. HEAVY ELEVATOR FORCES. WORSE AT SLOWER SPEEDS, ALSO WITH RT HYD SYS OFF FORCES IMPROVE. ACP ELEV FEEL FORCE TEST. FOUND 3 LB ABOVE MAX ALLOWED. REPLACED ELEVATO
- [SDR UALA2009102303308](https://openairdocs.org/sdr/UALA2009102303308), Oct 23, 2009: ACTUATOR. FAULTY. RIGHT AILERON TRIM PROBLEM, RTFL. REPLACED LATERAL TRIM ACTUATOR. OP CHECK OKAY. MOTOR SPEED NORMAL. CHK'D FOR ELEVATOR PCU HYD BYPASSING, NO BYPASSING NOTED. P
- [SDR UALA2009070801968](https://openairdocs.org/sdr/UALA2009070801968), Jul 8, 2009: FEEDER CABLE. INOPERATIVE. EMERGENCY LIGHT INOP ON SEAT 19A. REPLACED SEAT CABLE. CHECKS GOOD.
- [SDR UALA2009051101331](https://openairdocs.org/sdr/UALA2009051101331), May 10, 2009: LIGHT. INOPERATIVE. EMERGENCY LIGHT AT 19C INOP, EMERGENCY ESCAPE PATH LIGHT AT SEAT 19C IS INOP. REPLACED LIGHT STRIP. OPS CHECKED OK.
- [SDR UALA2009051101330](https://openairdocs.org/sdr/UALA2009051101330), May 10, 2009: LIGHT. INOPERATIVE. EEL AT 16C INOP - EMERGENCY ESCAPE PATH LIGHT AT SEAT 16C IS INOP (BROKEN WIRE). REPLACED LIGHT STRIP. OPS CHECKED OKAY.
- [SDR UALA2009031000725](https://openairdocs.org/sdr/UALA2009031000725), Mar 5, 2009: LIGHT. MISSING. THE 20C LIGHT STRIP ON SEAT MISSING.
- [SDR UALA2009011300136](https://openairdocs.org/sdr/UALA2009011300136), Jan 12, 2009: LIGHT. MISSING. SEAT 16C EMERGENCY LIGHT MISSING. REPLACED EMERGENCY LIGHT STRIP. OPS CHECKED OK.

All 96: https://openairdocs.org/aircraft/N508UA/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 757-222)

- [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/N508UA/stcs.md

## Related

- Other Boeing 757-222 aircraft: https://openairdocs.org/model/boeing-757-222/aircraft.md
- The Pratt & Whitney PW2040 engine: https://openairdocs.org/engine/pratt-whitney-pw2040.md

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