EASA Regulations for Pratt & Whitney Canada PW150

EASA AD CF-2025-44

PW150A Full Authority Digital Electronic Control (FADEC) Software Upgrade to Minimize Risk of Aircraft Jet Pipe Fire

The Airworthiness Directive CF-2025-44 mandates a software upgrade for Pratt and Whitney Canada PW150A engines to reduce the risk of aircraft jet pipe fires. This directive requires installation of a new version of the Full Authority Digital Electronic Control (FADEC) software on all affected PW150A engines. The upgrade addresses a hazard where unburned fuel could ignite in the jet pipe, causing thermal damage.