# N903FX: Aerospatiale/Aeritalia ATR 42-320

- Status: Valid registration
- Airframe: [Aerospatiale/Aeritalia ATR 42-320](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-320) (registry code 8680930, 50 seats)
- Engine: [Pratt & Whitney Canada PW121](https://openairdocs.org/engine/pratt-whitney-canada-pw121) (registry code 52124)
- Data sheets: [TCDS A53EU](https://openairdocs.org/tcds/A53EU) (ATR – GIE Avions de Transport Régional), [TCDS E20NE](https://openairdocs.org/tcds/E20NE) (Pratt & Whitney Canada Corp.) (OpenAirDocs)
- Serial number: 179
- Type: Fixed wing multi engine
- Engine type: Turbo-prop
- Airworthiness: Standard, transport
- Airworthiness date: April 23, 1990
- Certificate issued: March 27, 2003
- Expires: February 28, 2030
- Mode S code: AC7AE4
- Registered owner: [Federal Express Corp](https://openairdocs.org/faa-owner/FEDERAL%20EXPRESS%20CORP)
- Location: [Memphis, TN](https://openairdocs.org/faa-place/TN/Memphis)
- Owner type: Corporation
- Owner's area on the map: 35.0254° N, 89.7893° W: Placed by OpenAirDocs at the center of ZIP code 38125, 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=903FX
- Page: https://openairdocs.org/aircraft/N903FX

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): 153 in force

### Matched by airframe (Aerospatiale/Aeritalia ATR 42-320)

- [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 2026-09-13](https://openairdocs.org/ad/2026-09-13): Flight controls · ATR – GIE Avions de Transport Régional ATR42-200, ATR42-300 and ATR42-320. Effective Jun 18, 2026
- [AD 2025-26-01](https://openairdocs.org/ad/2025-26-01): Time Limits/Maintenance Checks · ATR – GIE Avions de Transport Régional ATR42-200, ATR42-300 and ATR42-320. Effective Feb 9, 2026
- [AD 2025-24-09](https://openairdocs.org/ad/2025-24-09): Ice and rain protection · ATR – GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Jan 13, 2026
- [AD 2025-23-04](https://openairdocs.org/ad/2025-23-04): Fire Protection · ATR – GIE Avions de Transport Régional ATR42-300, ATR42-320, ATR42-500 and 6 more. Effective Jan 13, 2026
- [AD 2025-12-02](https://openairdocs.org/ad/2025-12-02): Equipment/furnishings · Ipeco Holdings 3A063-0100-( )-( ), 3A063-0080-( )-( ), 3A063-0038-( )-( ) and 18 more. Effective Jun 30, 2025
- [AD 2025-10-06](https://openairdocs.org/ad/2025-10-06): Time Limits/Maintenance Checks · ATR – GIE Avions de Transport Régional ATR42-200, ATR42-300 and ATR42-320. Effective Jun 26, 2025
- [AD 2025-05-11](https://openairdocs.org/ad/2025-05-11): Fire protection · ATR – GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Apr 22, 2025
- [AD 2025-04-06](https://openairdocs.org/ad/2025-04-06): Flight controls · ATR – GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Apr 4, 2025
- [AD 2025-02-10](https://openairdocs.org/ad/2025-02-10): Doors · ATR – GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Mar 19, 2025
- [AD 2024-23-10](https://openairdocs.org/ad/2024-23-10): Placards and Marking · Decompression Panel (Aeroconseil STC ST04602NY). Effective Jan 13, 2025
- [AD 2024-19-15](https://openairdocs.org/ad/2024-19-15): Oxygen · Safran Aerosystems Oxygen Cylinder, Valve Assembly, Oxygen Valve and 103 more. Effective Nov 26, 2024
- [AD 2024-15-14](https://openairdocs.org/ad/2024-15-14): Instruments · ATR – GIE Avions de Transport Régional ATR42-200, ATR42-300 and ATR42-320. Effective Oct 23, 2024
- [AD 2024-08-02](https://openairdocs.org/ad/2024-08-02): Electrical power · ATR – GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Jun 6, 2024
- [AD 2024-05-05](https://openairdocs.org/ad/2024-05-05): Fire Protection · ATR – GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Mar 29, 2024
- [AD 2023-17-01](https://openairdocs.org/ad/2023-17-01): Landing gear · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Oct 19, 2023
- [AD 2023-14-10](https://openairdocs.org/ad/2023-14-10): Flight Compartment Equipment · Ipeco Holdings Pilot and Co-Pilot seats, ATR42-200, ATR42-300 and 9 more. Effective Sep 7, 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 2021-24-07](https://openairdocs.org/ad/2021-24-07): Fire protection · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Nov 22, 2021
- [AD 2021-22-07](https://openairdocs.org/ad/2021-22-07): Fire Bottle, Portable · Airbus A319-111, A319-112, A319-113 and 127 more. Effective Nov 18, 2021
- [AD 2021-12-17](https://openairdocs.org/ad/2021-12-17): Fuselage · ATR - GIE Avions de Transport Régional ATR42-300, ATR42-320, ATR42-500 and 7 more. Effective Aug 4, 2021
- [AD 2021-07-04](https://openairdocs.org/ad/2021-07-04): Ice and Rain Protection. · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective May 10, 2021
- [AD 2020-07-11](https://openairdocs.org/ad/2020-07-11): Hydraulic power and Electronic common installation · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective May 18, 2020
- [AD 2019-07-03](https://openairdocs.org/ad/2019-07-03): Cabin Equipment/Furnishings · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective May 16, 2019
- [AD 2018-25-18](https://openairdocs.org/ad/2018-25-18): Landing gear · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Jan 22, 2019
- [AD 2018-23-01](https://openairdocs.org/ad/2018-23-01): Cabin Equipment/Furnishings · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Dec 28, 2018
- [AD 2018-21-09](https://openairdocs.org/ad/2018-21-09): Wings · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 1 more. Effective Nov 20, 2018
- [AD 2018-19-15](https://openairdocs.org/ad/2018-19-15): Cabin Equipment/Furnishings · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Nov 14, 2018
- [AD 2017-17-10](https://openairdocs.org/ad/2017-17-10): Landing Gear · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 1 more. Effective Sep 29, 2017
- [AD 2015-11-03](https://openairdocs.org/ad/2015-11-03): Fuel · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Jul 14, 2015
- [AD 2014-18-01](https://openairdocs.org/ad/2014-18-01): Navigation · Bombardier ATR42-200, ATR42-300, ATR42-320 and 23 more. Effective Oct 14, 2014
- [AD 2014-17-02](https://openairdocs.org/ad/2014-17-02): Communications · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 137 more. Effective Sep 9, 2014
- [AD 2014-06-09](https://openairdocs.org/ad/2014-06-09): Windows · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective May 8, 2014
- [AD 2014-03-09](https://openairdocs.org/ad/2014-03-09): Nacelles/pylons · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Mar 26, 2014
- [AD 2012-08-07](https://openairdocs.org/ad/2012-08-07): Equipment/Furnishings · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective May 9, 2012
- [AD 2011-23-10](https://openairdocs.org/ad/2011-23-10): Stabilizers · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Dec 15, 2011
- [AD 2011-21-08](https://openairdocs.org/ad/2011-21-08): Equipment/Furnishings · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 202 more. Effective Nov 23, 2011
- [AD 2011-21-05](https://openairdocs.org/ad/2011-21-05): Equipment/Furnishings · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Oct 27, 2011
- [AD 2011-01-09](https://openairdocs.org/ad/2011-01-09): Oxygen · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 290 more. Effective Feb 9, 2011
- [AD 2010-05-01](https://openairdocs.org/ad/2010-05-01): Fire Protection · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Mar 12, 2010
- [AD 2010-02-06](https://openairdocs.org/ad/2010-02-06): Equipment/Furnishings · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Feb 24, 2010
- [AD 2009-12-09](https://openairdocs.org/ad/2009-12-09): Electrical power · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Jul 16, 2009
- [AD 2008-17-19](https://openairdocs.org/ad/2008-17-19): Main Landing gear · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300 and ATR42-320. Effective Nov 3, 2008
- [AD 2008-13-24](https://openairdocs.org/ad/2008-13-24): Aileron tab bellcrank assemblies · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 7 more. Effective Aug 12, 2008
- [AD 2008-13-19](https://openairdocs.org/ad/2008-13-19): Pitot probe · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Aug 6, 2008
- [AD 2008-04-13](https://openairdocs.org/ad/2008-04-13): Fuel tank safety · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Mar 28, 2008
- [AD 2007-12-20](https://openairdocs.org/ad/2007-12-20): Bonding cable and electrical wires · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Jul 19, 2007
- [AD 2006-16-08](https://openairdocs.org/ad/2006-16-08): Locking bolt of the upper attachment pin · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Aug 23, 2006
- [AD 2006-07-19](https://openairdocs.org/ad/2006-07-19): Protective ramps on trim panel 110VU · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective May 12, 2006
- [AD 2006-05-07](https://openairdocs.org/ad/2006-05-07): Main landing gear (MLG) side braces · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300 and ATR42-320. Effective Apr 13, 2006

### Matched by engine (Pratt & Whitney Canada PW121)

- [AD 2015-20-03](https://openairdocs.org/ad/2015-20-03): Fuel nozzle and the fuel manifold flow adapter · Pratt & Whitney Canada PW120, PW121, PW121A and 6 more. Effective Nov 18, 2015
- [AD 2012-26-08](https://openairdocs.org/ad/2012-26-08): Propeller shafts · Pratt & Whitney Canada PW118, PW118A, PW118B and 20 more. Effective Feb 15, 2013
- [AD 2006-19-06](https://openairdocs.org/ad/2006-19-06): Propeller shaft · Pratt & Whitney Canada PW118, PW118A, PW118B and 14 more. Effective Sep 29, 2006
- [AD 2003-21-03](https://openairdocs.org/ad/2003-21-03): Low pressure rotor speed (NL) sensor · Pratt & Whitney Canada PW118, PW120, PW120A and 1 more. Effective Nov 20, 2003
- [AD 2003-16-04](https://openairdocs.org/ad/2003-16-04): Fuel heaters · Pratt & Whitney Canada PW118, PW118A, PW118B and 19 more. Effective Sep 10, 2003
- [AD 98-14-02](https://openairdocs.org/ad/98-14-02): Fuel Manifold Transfer Tubes · Pratt & Whitney Canada PW118, PW118A, PW118B and 17 more. Effective Aug 31, 1998
- [AD 97-17-05](https://openairdocs.org/ad/97-17-05): Gas Generator Case Drain Ports · Pratt & Whitney Canada PW118, PW118A, PW118B and 17 more. Effective Sep 9, 1997
- [AD 94-03-02](https://openairdocs.org/ad/94-03-02): High Pressure Turbine Disks · Pratt & Whitney Canada PW118, PW118A, PW120 and 5 more. Effective Feb 16, 1994
- [AD 92-01-08](https://openairdocs.org/ad/92-01-08): High Pressure Rotor · Pratt & Whitney Canada PW118, PW118A, PW120 and 5 more. Effective Jul 27, 1992
- [AD 91-06-02](https://openairdocs.org/ad/91-06-02): Turbomachinery Magnetic Chip Detector · Pratt & Whitney Canada PW118, PW118A, PW120 and 6 more. Effective Mar 29, 1991
- [AD 91-01-03](https://openairdocs.org/ad/91-01-03): Hydromechanical Fuel Control Units · Pratt & Whitney Canada JT15D-5, PW118, PW118A and 3 more. Effective Jan 7, 1991
- [AD 88-26-51](https://openairdocs.org/ad/88-26-51): High Pressure Turbine Components · Pratt & Whitney Canada PW118, PW118A, PW120 and 2 more. Effective Sep 22, 1989

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

- [AD 2023-13-11](https://openairdocs.org/ad/2023-13-11) (historical): Oxygen · AVOX Systems Oxygen valve assemblies (body and gage assemblies), Oxygen cylinder and valve assemblies, A300 B2-1A and 102 more. Effective Sep 5, 2023
- [AD 2023-10-08](https://openairdocs.org/ad/2023-10-08) (historical): Time Limits/Maintenance Checks · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300 and ATR42-320. Effective Jul 11, 2023
- [AD 2022-25-16](https://openairdocs.org/ad/2022-25-16) (historical): Time Limits/Maintenance Checks · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300 and ATR42-320. Effective Jan 23, 2023
- [AD 2022-04-09](https://openairdocs.org/ad/2022-04-09) (historical): Oxygen System · Airbus A300 B2-1A, A300 B2-1C, A300 B2K-3C and 94 more. Effective Apr 4, 2022
- [AD 2021-17-02](https://openairdocs.org/ad/2021-17-02) (historical): Instruments · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300 and ATR42-320. Effective Oct 5, 2021
- [AD 2020-23-13](https://openairdocs.org/ad/2020-23-13) (historical): Instruments · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300 and ATR42-320. Effective Dec 3, 2020
- [AD 2020-09-16](https://openairdocs.org/ad/2020-09-16) (historical): Time Limits/Maintenance Checks · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300 and ATR42-320. Effective Jun 22, 2020
- [AD 2018-18-05](https://openairdocs.org/ad/2018-18-05) (historical): Time limits/maintenance checks · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300 and ATR42-320. Effective Oct 5, 2018
- [AD 2015-26-09](https://openairdocs.org/ad/2015-26-09) (historical): Fuselage and Wings · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 1 more. Effective Feb 17, 2016
- [AD 2015-23-12](https://openairdocs.org/ad/2015-23-12) (historical): Landing gear · ATR - GIE Avions de Transport R gional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Dec 29, 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 2011-23-06](https://openairdocs.org/ad/2011-23-06) (historical): Equipment/Furnishings · ATR  GIE Avions de Transport R gional ATR42-200, ATR42-300, ATR42-320 and 9 more. Effective Nov 21, 2011
- [AD 2008-04-19 R1](https://openairdocs.org/ad/2008-04-19-R1) (historical): Fuel · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Nov 18, 2009
- [AD 2009-18-18](https://openairdocs.org/ad/2009-18-18) (historical): Windows · ATR - GIE Avions de Transport R gional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Sep 24, 2009
- [AD 2008-04-19](https://openairdocs.org/ad/2008-04-19) (historical): Fuel tank system · ATR  GIE Avions de Transport R gional ATR42-200, ATR42-300, ATR42-320 and 8 more. Effective Apr 3, 2008
- [AD 2006-07-26](https://openairdocs.org/ad/2006-07-26) (historical): Outer wing boxes · ATR - GIE Avions de Transport R gional ATR42-200, ATR42-300, ATR42-320 and 1 more. Effective May 16, 2006
- [AD 2001-16-10](https://openairdocs.org/ad/2001-16-10) (historical): Airplane Flight Manual--De-icing or Anti-icing Fluids · Aerospatiale ATR42-200, ATR42-300, ATR42-320 and 2 more. Effective Sep 26, 2001
- [AD 2000-17-09](https://openairdocs.org/ad/2000-17-09) (historical): Fatigue Cracking · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300 and ATR42-320. Effective Oct 11, 2000
- [AD 2000-05-26](https://openairdocs.org/ad/2000-05-26) (historical): Cargo Door Hinges · ATR  GIE Avions de Transport R gional ATR42-200, ATR42-300 and ATR42-320. Effective Apr 26, 2000
- [AD 97-26-19](https://openairdocs.org/ad/97-26-19) (historical): Lower Lugs Of Barrel Of Main Landing Gear · ATR  GIE Avions de Transport R gional ATR42-300 and ATR42-320. Effective Jan 7, 1998
- [AD 97-04-09](https://openairdocs.org/ad/97-04-09) (historical): Main Landing Gear · ATR  GIE Avions de Transport R gional ATR42-300 and ATR42-320. Effective Mar 7, 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 93-18-04](https://openairdocs.org/ad/93-18-04) (historical): Fuselage Frame Inspection · ATR  GIE Avions de Transport R gional ATR42-300 and ATR42-320. Effective Nov 18, 1993
- [AD 90-19-06](https://openairdocs.org/ad/90-19-06) (historical): Main Landing Gear · ATR  GIE Avions de Transport R gional ATR42-300 and ATR42-320. Effective Oct 23, 1990
- [AD 2014-14-02](https://openairdocs.org/ad/2014-14-02) (historical): O-ring seal · Pratt & Whitney Canada PW120, PW121, PW121A and 6 more. Effective Aug 15, 2014
- [AD 2012-11-14](https://openairdocs.org/ad/2012-11-14) (historical): Propeller shafts · Pratt & Whitney Canada PW118, PW118A, PW118B and 20 more. Effective Jul 20, 2012

All 179: https://openairdocs.org/aircraft/N903FX/ads.md

## Information bulletins (advisory) (6 in force)

- [SAIB NM-11-45](https://openairdocs.org/saib/NM-11-45): Doors: Cargo/Baggage Doors. Issued Aug 1, 2011
- [SAIB NM-11-19](https://openairdocs.org/saib/NM-11-19): Indicating/Recording System  Angle of Attack Sensors. Issued Feb 3, 2011
- [SAIB NM-10-18](https://openairdocs.org/saib/NM-10-18): Instruments: Redesigned Aileron Sensors for Flight Data Recorder. Issued Mar 4, 2010
- [SAIB NM-10-13](https://openairdocs.org/saib/NM-10-13): Navigation: Flight Management System. Issued Jan 7, 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 NE-06-38](https://openairdocs.org/saib/NE-06-38): . Issued Apr 7, 2006

## NTSB investigations

None matched to N903FX.

## FAA accident and incident reports

None matched to N903FX.

## Service difficulty reports (97, 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 COEA2026082803903](https://openairdocs.org/sdr/COEA2026082803903), Aug 28, 2026: SKIN. DENTED. DAMAGE FOUND ON LOWER EDGE OF AFT CARGO DOOR. TEMPORARY REPAIR PER SRAS-00054354-02 ISSUE A, DATED 9/1/2026. PERMANENT REPAIR IN 750FC OR NEXT A CHECK. MAJOR RE
- [SDR COEA2026052002903](https://openairdocs.org/sdr/COEA2026052002903), May 19, 2026: COMPUTER. FAULTED. FLIGHT 203, AIR TURNBACK/DISCREPANCY: AIR TURNBACK TO RAP DUE TO CONFIG WARNING IN FLIGHT. NO EMERGENCY DECLARED. REPLACED THE CREW ALERTING COMPUTER. OPS CHECK
- [SDR COEA2026052001903](https://openairdocs.org/sdr/COEA2026052001903), May 19, 2026: RELAY. FAULTED. FLIGHT 202 AIR TURNBACK/DISCREPANCY: AIR TURNBACK TO RAP DUE TO CONFIG WARNING IN FLIGHT. NO EMERGENCY DECLARED. REPLACED RELAY 25GB. OPS CHECK GOOD.
- [SDR COEA2025070307903](https://openairdocs.org/sdr/COEA2025070307903), Jul 2, 2025: PROXIMITY SWITCH. FAILED. FLIGHT 7820, ENROUTE MSO-GTF AIR TURNBACK/DISCREPANCY: LANDING GEAR FAILED TO RETRACT ON CLIMB OUT. AIRCRAFT WAS RETURNED TO MSO. LANDED SAFELY AND NO EMERGENCY
- [SDR COEA2025061006903](https://openairdocs.org/sdr/COEA2025061006903), Jun 7, 2025: COMPUTER. FAULTED. FLT. 7820 ENROUTE MSO-GTF, AIR TURNBACK DISCREPANCY: ON CLIMB OUT, THE FLIGHT CONTROL LIGHT ILLUMINATED ON CAP ALONG WITH A STICK PUSHER FAULT. THE AIRCRAFT WAS
- [SDR COEA2025051305903](https://openairdocs.org/sdr/COEA2025051305903), Feb 18, 2025: SPAR. CORRODED. WO 262165 NR 600012 HEAVY CHECK COE/MAJOR REPAIR: R/H UPPER WING RIB 13-21 REAR SPAR UPPER CHORD UPPER SURFACE HAS LEVEL 2 CORROSION. CORRECTIVE ACTION: REPAIRE
- [SDR COEA2025050704903](https://openairdocs.org/sdr/COEA2025050704903), Feb 18, 2025: CHANNEL. CORRODED. WO 262165 NR 600013 HEAVY CHECK COE/MAJOR DISCREPANCY: R/H AILERAON TRIM TAB TRAILING EDGE CLOSEOUT CHANNEL HAS LEVEL 2 CORROSION. CORRECTIVE ACTION: REPLACED C
- [SDR COEA2025050703903](https://openairdocs.org/sdr/COEA2025050703903), Feb 16, 2025: CHANNEL. CORRODED. WO 262165 NR 500015 HEAVY CHECK COE/MAJOR DISCREPANCY: L/H AILERON FIXED TAB TRAILING EDGE CLOSEOUT CHANNEL UPPER SURFACE HAS LEVEL 2 CORROSION. CORRECTIVE ACTI
- [SDR COEA2025050702903](https://openairdocs.org/sdr/COEA2025050702903), Feb 16, 2025: FLOORBEAM. CORRODED. WO 262165 NR 100002 HEAVY CHECK COE/MAJOR DISCREPANCY: FLOORBEAM 39 OUTBOARD OF L/H SEAT TRACK UPPER FLANGE, TOP AND BOTTOM SIDES HAVE LEVEL 2 CORROSION. CORREC
- [SDR COEA2025050701903](https://openairdocs.org/sdr/COEA2025050701903), Feb 16, 2025: FLOORBEAM. CORRODED. WO 262165 NR 100001 HEAVY CHECK COE/MAJOR DISCREPANCY: FLOORBEAM 36 BETWEEN L/H SEAT TRACKS HAS LEVEL 2 CORROSION. CORRECTIVE ACTION: REPAIR PER ATR42 SRM 53000
- [SDR COEA2024040503903](https://openairdocs.org/sdr/COEA2024040503903), Oct 29, 2023: SKIN. DENTED. WO 250268 NR 26, HAIL DAMAGE/DISCREPANCY: L/H HORIZONTAL STABILIZER UPPER SKIN HAS DENTS. CORRECTIVE ACTION: REPAIRED PER SRAS ES_00230417_07...23074 ISSUE A, D
- [SDR COEA2024040502903](https://openairdocs.org/sdr/COEA2024040502903), Oct 29, 2023: CHANNEL. CORRODED. R/H AILERON FIXED T/E CLOSEOUT CHANNEL HAS LEVEL 2 CORROSION DAMAGE. REPLACED PER ATR42 SRM 51-25-03.
- [SDR COEA2024040401903](https://openairdocs.org/sdr/COEA2024040401903), Oct 29, 2023: DOUBLER. DENTED. WO 250268 NR 30, HAIL DAMAGE/DISCREPANCY: UPPER SKIN ELT ANTENNA DOUBLER FRAME 30-31 HAS DENTS. CORRECTIVE ACTION: REPLACED DOUBLER PER E.O. 2560-08.
- [SDR COEA2023020903903](https://openairdocs.org/sdr/COEA2023020903903), Feb 2, 2023: SKIN. DAMAGED. WO 242861 NR 2 HEAVY CHECK COE/MAJOR REPAIR: EXTERNAL FUSELAGE, SKIN PANEL AFT OF FRAME 22 AT STRINGER 21L SKIN DAMAGED DURING RIVET INSTALLATION. CORRECTIVE AC
- [SDR COEA2023020702903](https://openairdocs.org/sdr/COEA2023020702903), Jan 22, 2023: FLANGE. GOUGED. WO 242858 NR 200135 HEAVY CHECK COE/MAJOR REPAIR: INTERIOR FUSELAGE - STRINGER 2A L/H HAS GOUGE ON LOWER FLANGE FWD OF FRAME 19. CORRECTIVE ACTION: SPLICED IN N
- [SDR COEA2023031506903](https://openairdocs.org/sdr/COEA2023031506903), Jan 20, 2023: DOUBLER. DAMAGED. WO 242858 NR 200134 HEAVY CHECK COE/MAJOR REPAIR: R/H FUSELAGE SKIN DOUBLER ABOVE REFUELING PANEL BETWEEN FRAMES 23-24 AND STRINGERS 12-23A HAS DAMAGE. CORRECTI
- [SDR COEA2023031005903](https://openairdocs.org/sdr/COEA2023031005903), Jan 18, 2023: PANEL. GOUGED. WO 242858 NR 100031 HEAVY CHECK COE/MAJOR REPAIR: FUSELAGE CENTER AFT KEEL PANEL AT FRAME 23 HAS GOUGE NEAR FASTENER HOLE BETWEEN STRINGERS 20L - 21L. CORRECTIV
- [SDR COEA2023031004903](https://openairdocs.org/sdr/COEA2023031004903), Jan 12, 2023: FLOORBEAM. CRACKED. WO 242858 NR 100021 HEAVY CHECK COE/MAJOR REPAIR: INTERIOR FUSELAGE, R/H LONGITUDINAL FLOORBEAM IS CRACKED FWD OF FRAME 23. CORRECTIVE ACTION: FLOORBEAM SPLICE 
- [SDR COEA2023020301903](https://openairdocs.org/sdr/COEA2023020301903), Jan 12, 2023: FLOORBEAM. CRACKED. WO 242858 NR 100019 HEAVY CHECK COE/MAJOR REPAIR: INTERIOR FUSELAGE, L/H LONGITUDINAL FLOORBEAM CRACKED AFT OF FRAME 20. CORRECTIVE ACTION: FLOORBEAM SPLICE REP
- [SDR COEA2023032107903](https://openairdocs.org/sdr/COEA2023032107903), Jan 11, 2023: STRINGER. CORRODED. WO 242858 NR 200088 HEAVY CHECK COE/MAJOR REPAIR: INTERNAL FUSELAGE STRINGER 6R HAS LEVEL 2 CORROSION BETWEEN FRAMES 17 - 19, STRINGER COUT OUT BETWEEN FRAMES 1
- [SDR COEA202208240001](https://openairdocs.org/sdr/COEA202208240001), Aug 23, 2022: PROXIMITY SWITCH. DIRTY. DISCREPANCY: EMERGENCY DOOR (HATCH) UNLOCK LIGHT ILLUMINATED DURING TAXI. CORRECTIVE ACTION: MAINTENANCE CLEANED PROXIMITY SWITCH FACE AND TARGET PLATE AND CLEA
- [SDR COEA2019021201903](https://openairdocs.org/sdr/COEA2019021201903), Jan 4, 2019: FRAME. DAMAGED. WO 195207 NR 1 HEAVY CHECK COE/MAJOR REPAIR: CARGO COMPARTMENT, FRAME 28 STRINGERS 16-17 R/H & L/H, DAMAGED. CORRECTIVE ACTION: REPAIRED PER SRAS ES_0091317_01.
- [SDR COEA2018123108903](https://openairdocs.org/sdr/COEA2018123108903), Dec 31, 2018: STRINGER. CRACKED. WO 193109 NR 200092 HEAVY CHECK COE/MAJOR REPAIR: STRINGER 1L IS CRACKED AT FRAME 34. CORRECTIVE ACTION: STRINGER SPLICE REPAIR PER SRM 530000-300-826-A01.
- [SDR COEA2018123011](https://openairdocs.org/sdr/COEA2018123011), Dec 30, 2018: CREASE BEAM. CORRODED. HEAVY CHECK COE/MAJOR REPAIR: LEVEL 2 CORROSION ON RT CREASED BEAM WEB FORWARD OF FRAME 23. REPAIRED PER ES_0091377_01...13990.
- [SDR COEA2018123009903](https://openairdocs.org/sdr/COEA2018123009903), Dec 30, 2018: CREASE BEAM. CORRODED. WO 193109 NR 100042 HEAVY CHECK COE/MINOR REPAIR: LT CREASE BEAM WEB UPPER SURFACE HAS LEVEL 2 CORROSION ON FRAMES 28-29. CORRECTIVE ACTION: REPLACED WEB WITH N
- [SDR COEA2018123007903](https://openairdocs.org/sdr/COEA2018123007903), Dec 30, 2018: STRINGER. CRACKED. WO 193109 NR 200091 HEAVY CHECK COE/MAJOR REPAIR: STRINGER 2R IS CRACKED AT FRAME 34. CORRECTIVE ACTION: STRINGER SPLICE REPAIR PER SRM 530000-300-826-A01.
- [SDR COEA2018123006903](https://openairdocs.org/sdr/COEA2018123006903), Dec 30, 2018: SHEAR TIE. CRACKED. WO 193109 NR 200081 HEAVY CHECK COE/MINOR REPAIR: LT FRAME 26 SHEAR TIE IS CRACKED AT STRINGER 12L-13L. CORRECTIVE ACTION: REPLACED WITH NEW PART.
- [SDR COEA2018123005903](https://openairdocs.org/sdr/COEA2018123005903), Dec 30, 2018: FRAME. CRACKED. WO 193109 NR 200080 HEAVY CHECK COE/MINOR REPAIR: RT FRAME 26 CRACKED AT STRINGER 13R. CORRECTIVE ACTION: REPLACED FRAME WITH NEW PART.
- [SDR COEA2018123004903](https://openairdocs.org/sdr/COEA2018123004903), Dec 30, 2018: FRAME. CRACKED. WO 193109 NR 200079 HEAVY CHECK COE/MINOR REPAIR: L/H FRAME 26 IS CRACKED AT STRINGER 13L. CORRECTIVE ACTION: FRAME REPLACED WITH NEW PART.
- [SDR COEA2018123003903](https://openairdocs.org/sdr/COEA2018123003903), Dec 30, 2018: FLOOR SUPPORT. CRACKED. WO 193109 NR 100038 HEAVY CHECK COE/MAJOR REPAIR: LT LONGITUDINAL FLOORBEAM CRACKED BETWEEN FRAMES 31-32. CORRECTIVE ACTION: FLOORBEAM REPAIRED PER E.O. 5315-01
- [SDR COEA2018123002903](https://openairdocs.org/sdr/COEA2018123002903), Dec 30, 2018: SHEAR TIE. CRACKED. WO 193109 NR 200082 HEAVY CHECK COE/MINOR REPAIR: FRAME 26 SHEAR TIE CRACKED STRINGER 12R - 13R. CORRECTIVE ACTION: SHEAR TIE REPLACED.
- [SDR COEA2018123001903](https://openairdocs.org/sdr/COEA2018123001903), Dec 30, 2018: FLOOR SUPPORT. CRACKED. WO 193109 NR 100046 HEAVY CHECK COE/MAJOR REPAIR. LT LONGITUDINAL FLOORBEAM CRACKED BETWEEN FRAMES 24-25. CORRECTIVE ACTION: REPAIRED PER EO 5315-01.
- [SDR COEA2018122712](https://openairdocs.org/sdr/COEA2018122712), Dec 27, 2018: SKIN PANEL. DELAMINATED. HEAVY CHECK COE/MAJOR REPAIR: DELAMINATION ON RT STABILIZER LOWER SKIN PANEL. REPAIRED PER ES_0091773_01...14065, DATED 2/7/2019.
- [SDR COEA2018121010903](https://openairdocs.org/sdr/COEA2018121010903), Dec 10, 2018: FRAME. NOT REPORTED. HEAVY CHECK COE/MAJOR REPAIR: PERMANENT REPAIR OF RT FRAME 23A LOWER FLANGE. REPAIR PER SRAS CETS-195/17...11036 ISSUE B.
- [SDR COEA2017011508903](https://openairdocs.org/sdr/COEA2017011508903), Jan 15, 2017: SKIN. CORRODED. CORROSION ON INTERIOR SKIN, UNDER INSULATION STAND OFF BETWEEN FRAMES 16-17 STRINGERS 5A-6. REPAIR IAW SRM 53-00-00-300-803-A01.
- [SDR COEA2017011405903](https://openairdocs.org/sdr/COEA2017011405903), Jan 14, 2017: STRINGER. DAMAGED. HEAVY CHECK COE/MAJOR REPAIR: STRINGER 12R IS DAMAGED BETWEEN FRAMES 39-40. STRINGER REPAIR IAW SRM 530000-300-826-A01.
- [SDR COEA2017011004903](https://openairdocs.org/sdr/COEA2017011004903), Jan 10, 2017: SKIN. DENTED. HEAVY CHECK COE/MAJOR REPAIR: DENT, 3.5" FWD OF FRAME 42, 1.2" BELOW SKIN LAP. REPAIR PER SRAS ES-253/17.11047 DATED 1/27/2017.
- [SDR COEA2017010610903](https://openairdocs.org/sdr/COEA2017010610903), Jan 6, 2017: FLOORBEAM. CORRODED. HEAVY CHECK COE/MAJOR REPAIR: LT FLOORBEAM 7 HAS LEVEL 2 CORROSION OUTBOARD OF THE CAPTAIN'S SEAT FITTING NEAR AN EXISTING REPAIR. REPAIRED PER SRAS S531R0169.1
- [SDR COEA2017010609903](https://openairdocs.org/sdr/COEA2017010609903), Jan 6, 2017: FRAME. CORRODED. RIGHT FRAME 23A LOWER FLANGE HAS CORROSION FROM CONTACT WITH PANEL 192FR. REPAIRED IAW CETS-195/17.
- [SDR COEA2017010603903](https://openairdocs.org/sdr/COEA2017010603903), Jan 6, 2017: DOUBLER. DAMAGED. HEAVY CHECK COE/MAJOR REPAIR. LT ENGINE NACELLE UNDERWING BOX, LT SHEET METAL DOUBLER HAS LEVEL 2 FRETTING DAMAGE. REPAIRED PER SRAS CETS-111/17.11017 DATED 1/1
- [SDR COEA2017010502903](https://openairdocs.org/sdr/COEA2017010502903), Jan 5, 2017: FLOOR SUPPORT. CRACKED. RIGHT OUTBOARD LONGITUDINAL FLOORBEAM IS CRACKED JUST FWD OF FRAME 33. REPAIRED IAW E.O. 5315-01.
- [SDR COEA2017010401903](https://openairdocs.org/sdr/COEA2017010401903), Jan 4, 2017: STRINGER. CORRODED. STRINGER 2A LT HAS AREAS OF CORROSION BETWEEN FRAMES 15-17. REPAIRED IAW SRM 530000-300-826-A01.
- [SDR COEA2017010311903](https://openairdocs.org/sdr/COEA2017010311903), Jan 3, 2017: SPAR. LEAKING. HEAVY CHECK COE/MAJOR REPAIR. LT WING AT LOWER REAR SPAR LEAKS FUEL AT RIB 13. REPAIRED PER SRAS CETS-245/17...11105 DATED 2/7/2017.
- [SDR COEA2016123107903](https://openairdocs.org/sdr/COEA2016123107903), Dec 31, 2016: STIFFENER. CORRODED. NOSE GEAR LT AFT DOOR FORWARD EDGE BRACKET IS CORRODED. REPLACED THE STIFFENER.
- [SDR COEA2016123106903](https://openairdocs.org/sdr/COEA2016123106903), Dec 31, 2016: CHANNEL. CORRODED. LEFT AILERON TRAILING EDGE CLOSE OUT CORRODED. REPLACED CHANNEL CLOSING TEE.
- [SDR COEA2015012305903](https://openairdocs.org/sdr/COEA2015012305903), Jan 23, 2015: FRAME. GOUGED. FRAME 6 HAD TOOLING GOUGES NEAR THE WINDOW SUPPORT STRUCTURE AT WL 3553. REPAIR IAW SRAS DT S-109 15 8933 ISSUE B 1/23/2015.
- [SDR COEA2015012304903](https://openairdocs.org/sdr/COEA2015012304903), Jan 23, 2015: SKIN. CHAFED. RIGHT WING LOWER SKIN AT THE RIB 8 FLAP ARM FAIRING MOUNT AREA WAS CHAFING. REPAIR IAW SRAS DT S-215 15 8967 ISSUE A 1/23/2015.
- [SDR COEA2015012003903](https://openairdocs.org/sdr/COEA2015012003903), Jan 20, 2015: SKIN. CORRODED. HEAVY CHECK COE & MAJOR REPAIR. EXTERIOR SKIN HAS AREA OF LEVEL 2 CORROSION AROUND FASTENER BETWEEN FRAME 20 & 21, UPPER CROWN SKIN PANEL AT STRINGER 4L. REPAIR
- [SDR COEA2015012002903](https://openairdocs.org/sdr/COEA2015012002903), Jan 20, 2015: SPAR. DAMAGED. HEAVY CHECK COE & MAJOR REPAIR. RIGHT LOWER SPAR FLANGE HAS FRETTING DAMAGE FROM PANEL 292CR. REPAIR IAW SRAS DT S-87 15 8936 ISSUE DATED 1/16/2015.
- [SDR COEA2015011501903](https://openairdocs.org/sdr/COEA2015011501903), Jan 15, 2015: SPAR. WORN. WORK ORDER 141851 NR 500005 HEAVY CHECK COE & MAJOR REPAIR. LT WING BOX FWD LOWER SPAR FLANGE HAS WEAR DAMAGE FROM CONTACT WITH PANEL 291CL. REPAIR IAW SRAS DT 

All 97: https://openairdocs.org/aircraft/N903FX/reports.md

## STCs that may be installed (OpenAirDocs) (111, 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 (Aerospatiale/Aeritalia ATR 42-320)

- [STC ST01305WI-D](https://openairdocs.org/stc/ST01305WI-D): Modification of a Collins ALT-50A or ALT-55B Radio Altimeter system installation to a Collins ALT-1000 or ALT-4000 Radio Altimeter system installation in accordance with Collins Drawing Index as listed on AML No. ST01305WI-D, Revision -, or later FAA approved revision. Rockwell Collins Inc
- [STC ST01761NY](https://openairdocs.org/stc/ST01761NY): Conversion of an ATR-420/300/320 passenger configuration into a full Class E cargo configuration, including a new lining, smoke detection system, large cargo door with an embedded crew door, and provisions for the transportation of bulk weight and standard unit load devices. PMV Engineering
- [STC ST12461IB](https://openairdocs.org/stc/ST12461IB): Installation of Cockpit Voice Recorder with optional RIPS Upgrade. Mid- Canada Mod Center
- [STC ST00197IB](https://openairdocs.org/stc/ST00197IB): Installation of the Universal Quick Access Recorder (uQAR). Flight Data Technologies Inc
- [STC ST12365IB](https://openairdocs.org/stc/ST12365IB): Installation of ERT/CNG/1579 Fuselage Protection for Unpaved Runway for Belly Fuselage Skin Panels. EIRTECH AVIATION SERVICES LIMITED
- [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 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 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 ST03166AT](https://openairdocs.org/stc/ST03166AT): Installation of L3 Communications Micro Quick Access Recorder (uQAR) models QAR100, 200 or 201. Acron Aviation Inc
- [STC ST02472AT](https://openairdocs.org/stc/ST02472AT): Installation of a mini Quick Access Recorder (QAR) model MKI, MKII, or MKIII. Aircraft Systems and Manufacturing Inc
- [STC ST04486NY](https://openairdocs.org/stc/ST04486NY): Installation of the Dual SFIM F227 APIRS. Mid Canada Mod Center
- [STC ST01189WI](https://openairdocs.org/stc/ST01189WI): Passenger to all cargo conversion. IPR M7 CONVERSIONS (USA) LIMITED c/o Vistra International
- [STC ST00079IB](https://openairdocs.org/stc/ST00079IB): Integration of Halon-free Portable Fire Extinguisher HAFEX. UMLAUT ENGINEERING GMBH
- [STC ST03042CH](https://openairdocs.org/stc/ST03042CH): Installation of a Global AirWorks Cockpit Door Surveillance System. Aero Technik Inc
- [STC ST02020WI](https://openairdocs.org/stc/ST02020WI): Reduce maximum zero fuel weight to restrict maximum payload to 7500 lbs. Worldwide Aircraft Services Inc
- [STC ST00215IB](https://openairdocs.org/stc/ST00215IB): Installation of saf-Tglo ECO Photoluminescent Aisle Path Marking Systems. STG AEROSPACE GERMANY GmbH
- [STC ST00192IB](https://openairdocs.org/stc/ST00192IB): Installation of Automatic Dependent Surveillance – Broadcast (ADS-B) Out System and Single UNS-1Lw Flight Management System including Localizer Performance with Vertical Guidance (LPV) Monitor. 365 AEROSPACE DDS LIMITED
- [STC ST02529AT](https://openairdocs.org/stc/ST02529AT): Installation of photoluminescent floor proximity emergency escape path marking system (FPEEPMS). STG Aerospace Inc
- [STC ST04562NY](https://openairdocs.org/stc/ST04562NY): Installation of saf-Tglo® SuperSeal UltraLite-X (SSUL-X) Photoluminescent Floor Proximity Emergency Escape Path Marking Systems. STG AEROSPACE GERMANY GmbH
- [STC ST03238NY](https://openairdocs.org/stc/ST03238NY): The installation of a single HF-9000 Communication Transceiver System. Roeder Praezision GMBH
- [STC ST00098IB](https://openairdocs.org/stc/ST00098IB): Introduction of ADS-B Out. STC Twenty One Limited
- [STC ST00095IB](https://openairdocs.org/stc/ST00095IB): Conversion of Passenger to Freighter Configuration. Aerodisa S.L
- [STC ST01925CH](https://openairdocs.org/stc/ST01925CH): Installation of a Honeywell RESCU 406AF Emergency Locator Transmitter (ELT) System. Honeywell International Inc
- [STC ST03912AT](https://openairdocs.org/stc/ST03912AT): Installation of a T2CAS System into an ATR42/72 Series Aircraft and associated hardware. Woven Electronics LLC
- [STC SA8860SW](https://openairdocs.org/stc/SA8860SW): Replace core assembly of AiResearch Primary/Secondary Air-to-Air Heat Exchangers, part numbers 194776-1, SR1; 194776-2, SR1; and 194776-2, SR2. Honeywell International Inc
- [STC ST04177AT](https://openairdocs.org/stc/ST04177AT): Installation of a Talon Aerospace LED Replacement General Purpose Lamps. Aaxico Technical Services Inc
- [STC ST04608NY](https://openairdocs.org/stc/ST04608NY): Installation of the Rockwell Collins TDR-94D Transponder Upgrade. Mid Canada Mod Center
- [STC ST04602NY](https://openairdocs.org/stc/ST04602NY): Installation of Decompression Panel for Bulk Freighter Conversion. Aeroconseil
- [STC SA01452CH](https://openairdocs.org/stc/SA01452CH): Installation of an air ambulance conversion kit. Med-Pac Inc
- [STC ST04372NY](https://openairdocs.org/stc/ST04372NY): Installation of saf-Tglo® SSUL23 Photoluminescent Aisle Path Marking System. STG Aerospace Ltd
- [STC ST04340NY](https://openairdocs.org/stc/ST04340NY): Installation of TCAS 7.1 (ACAS II) upgrade of Prior Existing TCAS 7.0. Scandinavian Avionics Design ApS
- [STC ST04443AT](https://openairdocs.org/stc/ST04443AT): Replacement of the HT1000 MCDU (Multi-Function Control Display Unit) with the HT9100 MCDU. Chippewa Aerospace Inc
- [STC ST02647NY](https://openairdocs.org/stc/ST02647NY): Update of Delta Engineering Synchro's and Sagem ED36 FDAU with APM (Aircraft Performance Monitor). Delta Engineering Corporation
- [STC ST02636LA](https://openairdocs.org/stc/ST02636LA): Modification to upgrade the existing XS-950 Mode S Transponder system to add ADS-B Out. Aviation Communication and Surveillance Systems (ACSS) LLC
- [STC ST04437AT](https://openairdocs.org/stc/ST04437AT): Replacement/Upgrade of HT1000 NPR (Nav Processor Unit) and the HT9100 NPR. Chippewa Aerospace Inc
- [STC ST04288NY](https://openairdocs.org/stc/ST04288NY): For ATR 42 Model Aircraft and ATR 72 Model Aircraft Installation of gravel protection. Northeast Engr & Dev Ltd
- [STC ST04229NY](https://openairdocs.org/stc/ST04229NY): Introduction of a 16G New Generation Stretcher XL P/N 1120030-Series. Bucher Leichtbau AG
- [STC ST01872NY](https://openairdocs.org/stc/ST01872NY): Installation of Hawker 9750W0538 (24V 40Ah) and 9750W0350-5 (24V 18Ah) sealed lead-acid battery. Securaplane Technologies
- [STC ST02655LA](https://openairdocs.org/stc/ST02655LA): Installation of two True Blue Power model TA102 Charging Ports in the cockpit. U.S. Technical
- [STC ST02528SE](https://openairdocs.org/stc/ST02528SE): Installation of lightweight window plugs. LiteAir Aviation Products Inc
- [STC ST02509SE](https://openairdocs.org/stc/ST02509SE): Installation of dual Garmin GTX3000 transponders with ADS-B Out. AeroMech Incorporated
- [STC ST03776NY](https://openairdocs.org/stc/ST03776NY): Modification to upgrade existing Rockwell Collins TCAS (Model: TTR-920, TTR-921, and TTR-4000) at VERSION 7.0 to Rockwell Collins TCAS (Model: TTR-921, TTR-4000, and TTR-4100) at VERSION 7.1 (ACAS II). Scandinavian Avionics Design ApS
- [STC ST03840NY](https://openairdocs.org/stc/ST03840NY): Installation of the SkyTrac Flight Following/SATCOM System. SkyTrac Systems Ltd
- [STC ST00881WI-D](https://openairdocs.org/stc/ST00881WI-D): Modification of a TCAS II system installation to Change 7.0 or Change 7.1. Rockwell Collins Inc
- [STC ST03707NY](https://openairdocs.org/stc/ST03707NY): Replacement of fluorescent lighting with LED lighting. First Air
- [STC ST01812WI](https://openairdocs.org/stc/ST01812WI): Installation of dual Garmin GTN 725 GPS Navigator System with dual Garmin GA36 WAAS/GPS antennas. Garmin International Inc
- [STC ST04057CE](https://openairdocs.org/stc/ST04057CE): Installation of the CMA-6800 AMLCD EFIS Displays. Canard Aerospace Corporation

All 111: https://openairdocs.org/aircraft/N903FX/stcs.md

## Related

- Other Aerospatiale/Aeritalia ATR 42-320 aircraft: https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-320/aircraft.md
- The Pratt & Whitney Canada PW121 engine: https://openairdocs.org/engine/pratt-whitney-canada-pw121.md

---
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