Therefore the AD covers the PT6A-64, PT6A-66, PT6A-66A, PT6A-66B, PT6A-66D, PT6A-66T, PT6A-67, PT6A-67A, PT6A-67AF, PT6A-67AG, PT6A-67B, PT6A-67D,...
P&WC suggested the process of changing the affected blades should take, "from one to four weeks. Single aircraft operators with limited access to...
AD Issued For Some PT6 Turbine Blades Canada's regulatory and safety body Transport Canada has issued an emergency Airworthiness Directive (AD)...