Regulacje i polityka gospodarcza · 09/12/2015

Pratt & Whitney Division Proposes New Airworthiness Directive for Certain Turbofan Engines

The Federal Aviation Administration (FAA) is considering a new airworthiness directive (AD) for certain Pratt & Whitney Division PW4000-94 inch and PW4000-100 inch model turbofan engines, following a report of a crack find in the high-pressure compressor (HPC) disk, to prevent failure of the HPC 10th stage disk and potential damage to the engine and airplane.