Pratt and Whitney PW4000 Series Turbofan Engines: Airworthiness Directive Amendment

Summary

The Federal Aviation Administration (FAA) has issued an amendment to an existing airworthiness directive (AD) for Pratt and Whitney (PW) model 4000 series turbofan engines, which affects the stability margin of these engines on certain aircraft, including the Airbus A300 and Boeing 747 models.