Superseded. This AD was superseded by AD 2017-23-08. Verify which one applies to your serial and effectivity before any maintenance action.
AD 2014-24-02
Effective 12/15/2014 · Published 11/28/2014
Airworthiness Directives; Agusta S.p.A. Helicopters
Summary
We are superseding Airworthiness Directive (AD) 2014-07-51 for AgustaWestland S.p.A. Model AB139 and AW139 helicopters with certain main rotor (M/R) rotating scissors installed. AD 2014-07-51 required repetitively inspecting the M/R rotating scissors for play of the lower half scissor spherical bearing (bearing) and removing the bearing if there was play beyond allowable limits. AD 2014-07-51 also required removing…