ALLIEDSIGNAL ENGINES LTS101 series turboshaft engines installed on Eurocopter France Model AS-350D and SA-366G1 helicopters (Docket No. 95- ANE-21) - proposes to require incorporation of design modifications to the power turbine rotor. This proposal is prompted by reports of power turbine disk failures after No. 3 bearing failures. The actions specified by the proposed AD are intended to prevent an uncontained engine failure due to a power turbine disk failure. Comments on the proposal ...


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