AD 2020-13-06
Effective 08/06/2020 · Published 07/02/2020
Airworthiness Directives; Pratt & Whitney Canada Corp. Turboprop Engines
Summary
The FAA is adopting a new airworthiness directive (AD) for certain Pratt & Whitney Canada Corp. (P&WC) PW150A model turboprop engines. This AD was prompted by a determination by the manufacturer that certain PW150A engine high-pressure (HP) centrifugal impellers may exhibit a material microstructure anomaly that has a potential to adversely affect the low cycle fatigue characteristics of the part. This AD requires r…