AD 2012-07-01
Effective 04/20/2012 · Published 04/05/2012
Airworthiness Directives; Agusta S.p.A. Helicopters
Summary
We are adopting a new airworthiness directive (AD) for Agusta S.p.A. (Agusta) Model AB412 helicopters with certain tail rotor blades (blades) installed. This AD requires, before further flight, removing and replacing each affected blade with an airworthy blade. This AD is prompted by incidents where a blade tip weight separated from a blade in flight on other model helicopters with common part-numbered blades. It ha…