AD 2011-17-14
Effective 09/12/2011 · Published 08/26/2011
Airworthiness Directives; Agusta S.p.A. Model A109A and A109AII Helicopters
Summary
This amendment adopts a new airworthiness directive (AD) for the specified Agusta S.p.A. (Agusta) helicopters with a certain tail rotor special hub plug (hub plug) installed. This action requires a one-time inspection to determine the tightening torque value of the hub plug, and depending on the inspection results, replacing certain parts or disassembling the tail rotor hub and blades assembly and inspecting for dam…