AD 2011-20-06
Effective 11/14/2011 · Published 10/27/2011
Airworthiness Directives; Agusta S.p.A. Model AB139 and AW139 Helicopters
Summary
This amendment supersedes an existing airworthiness directive (AD) for Agusta S.p.A. (Agusta) Model AB139 and AW139 helicopters. This action retains the requirements in the existing AD and adds a daily check of the tailboom panels to detect bulging or deformation of the tailboom outer skin panels. If there is bulging or deformation, this AD requires a mechanic to do a tap inspection for debonding. If the debonded ar…