Regulacje i polityka gospodarcza · 27/12/2000

Pratt & Whitney Proposes New Airworthiness Directive for PW4000 Series Turbofan Engines

Pratt & Whitney is proposing a new airworthiness directive to address cracked 2nd stage high pressure turbine (HPT) air seal assemblies in its PW4000 series turbofan engines, requiring operators to recalculate service life and perform on-wing inspections to prevent engine failure.