AGUSTA Model A109C, A109E, A109S, A109K2, and AW109SP helicopters [Docket No. FAA-2013-0478; Directorate Identifier 2012-SW-092-AD; Amendment 39-17736; AD 2014-02-08] – requires inspecting the lock wires securing the tail rotor (T/R) duplex bearing locking nut to determine whether any lock wires are...

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