Transport i infrastruktura · 29/10/2013

Pratt & Whitney Canada Corp. Proposes New Airworthiness Directive for PT6A-114 and PT6A-114A Turboprop Engines Following Multiple Incidents of Compressor Turbine Blade Failure

Pratt & Whitney Canada Corp. is proposing a new airworthiness directive to address compressor turbine blade failures that have resulted in power loss, in-flight shutdown, and two fatalities, prompting the need for initial and repetitive borescope inspections and blade removal from service to prevent engine or airplane damage.