Regulacje i polityka gospodarcza · 17/09/2018
Pratt & Whitney Canada Corp. Proposes Supersession of Airworthiness Directive for PT6B-37A Turboshaft Engines
Pratt & Whitney Canada Corp. is proposing to supersede an existing airworthiness directive for certain PT6B-37A turboshaft engines due to concerns over gearbox damage and contamination, and inadequate bearing installation.