AD 2012-11-12
Effective 07/03/2012 · Published 06/18/2012
Airworthiness Directives; AGUSTA S.p.A. Helicopters
Summary
We are adopting a new airworthiness directive (AD) for Agusta S.p.A. (Agusta) Model AW139 helicopters to determine if the hardware that attaches the upper end of collective control rod C2 to torque tube C3 is properly installed. This AD is prompted by the discovery of an incorrectly-attached collective control rod. These actions are intended to prevent separation of the collective control rod from the torque tube, l…