EASA AD US-2020-04-01
Engine - LP10 Oil Supply Tube & Fuel Oil Cooler - Inspection
FAA Airworthiness Directive 2020-04-01 is a final rule addressing Pratt & Whitney PW1519G, PW1521G, PW1521GA, PW1524G, PW1525G, PW1521G-3, PW1524G-3, PW1525G-3, PW1919G, PW1921G, PW1922G, PW1923G, and PW1923G-A model turbofan engines. It mandates inspections and potential replacement of the LP10 oil supply tube and the fuel oil cooler (FOC) due to reports of in-flight shutdowns caused by oil leaks at their connection. This directive aims to prevent engine fires and damage to aircraft.