Summary
We propose to adopt a new airworthiness directive (AD) for Airbus Helicopters Model AS350B, AS350BA, AS350B1, AS350B2, AS350B3, AS350C, AS350D, AS350D1, AS355E, AS355F, AS355F1, AS355F2, AS355N, AS355NP, EC130B4, and EC130T2 helicopters. This proposed AD would require inspecting the swashplate assembly rotating star to determine whether a ferrule was installed. If a ferrule exists, this proposed AD would require inspecting the rotating star for a crack and removing any cracked rotating star. This proposed AD is prompted by a report that reconditioning the rotating swashplate per a certain repair procedure could result in the rotating star cracking. The proposed actions are intended to detect a crack in the rotating star and prevent failure of the rotating star and subsequent loss of control of the helicopter.