The FAA is adopting a new airworthiness directive for Eurocopter France Model EC225 helicopters with certain epicyclic modules installed. This AD requires inspecting the epicyclic module for the presence of a through-hole upstream of the magnetic plug.

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The FAA is issuing an emergency airworthiness directive - sent to owners and operators of Eurocopter France Model AS350B3 helicopters.

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The FAA is proposing to adopt a new airworthiness directive for Robinson Helicopter Company Model R44 and R44 II helicopters equipped with emergency floats, which would require replacing the inflation valve assembly.

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The FAA is proposing to adopt a new airworthiness directive for Eurocopter France Model AS332C, L, and L1 helicopters to require an initial and repetitive inspections of the outer skin, butt strap, and fuselage frame for a crack and modification of the helicopter.

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The FAA is proposing to adopt a new airworthiness directive for Bell Helicopter Textron, Inc. Model 412 and 412EP helicopters. This is prompted by reports of cracking in the swashplate outer ring assemblies.

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The FAA is superseding an existing airworthiness directive for certain Lycoming Engines reciprocating engines. That AD currently requires replacing certain crankshafts in the affected engines.

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The FAA is adopting a new airworthiness directive for Eurocopter France Model SA330F, SA330G, SA330J, AS332C, AS332L, AS332L1, and AS332L2 helicopters to require cleaning, inspecting, and lubricating each tangential gearbox and adjusting, as necessary, the fuel shut-off control lever.

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The FAA is superseding an existing airworthiness directive for certain Turbomeca S.A. Arriel 2B and 2B1 turboshaft engines. This new AD requires adding the Arriel 2S2 and 2C2 engines to the applicability of engines requiring the TU166 modification with different compliance times.

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The FAA is adopting a new airworthiness directive for the Bell Helicopter Textron Canada Limited Model 407 helicopters. This AD requires you to replace tail boom attachment hardware, and perform initial and recurring determinations of the torque on the nuts of the tail boom-attachment bolts at all four attachment locations.

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The FAA is adopting a new airworthiness directive for Eurocopter France Model SA341G helicopters. This AD requires replacing any rotating star with more than 12,000 hours TIS.

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