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News: Transport Canada Emergency AD For PT6 Turbine Blades

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  1. AD Issued For Some PT6 Turbine Blades
    Canada's regulatory and safety body Transport Canada has issued an emergency Airworthiness Directive (AD) for Pratt & Whitney Canada's PT6 Turbine engines. It relates to PT2 (power turbine) blades. It has come to light that there was an incident of PT6A-67 P2 Blade failure as well as P2 blade failures on PT6 engines in testing at P&W Canada facilities. The airworthiness directive (AD) is CF-2024-05.
  2. P&WC suggested the process of changing the affected blades should take, "from one to four weeks. Single aircraft operators with limited access to an overhaul facility will take closer to four weeks, while those with access to shops can turn an engine in less than a week." There are approximately 5,000 blades known to have been manufactured from the suspect raw material.
  3. 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, PT6A-67F, PT6A-67P, PT6A-67R, PT6A-67RM, PT6A-67T, PT6A-68, PT6A-68B, PT6A-68C, PT6A-68D, PT6A-68T, PT6E-67XP, and PT6E-66XT.

    For more information:

    Pratt & Whitney Corporate Headquarters
    400 Main Street
    East Hartford, CT 06118
    United States of America
    www.prattwhitney.com

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