Regulacje i polityka gospodarcza · 12/10/2017

Pratt & Whitney Division Proposes New Airworthiness Directive for Turbofan Engines

Pratt & Whitney Division is proposing a new airworthiness directive to address cracked 4th stage low-pressure turbine air seals in its PW4052, PW4056, PW4060, and other turbofan engine models, requiring removal from service of affected air seals to correct an unsafe condition.