Superseded. This AD was superseded by AD 2014-24-02. Verify which one applies to your serial and effectivity before any maintenance action.
AD 2014-07-51
Effective 08/20/2014 · Published 08/05/2014
Airworthiness Directives; AgustaWestland S.p.A. Helicopters
Summary
We are publishing a new airworthiness directive (AD) for certain AgustaWestland S.p.A. Model AB139 and AW139 helicopters. This AD requires repetitively inspecting the Main Rotor (M/R) Rotating Scissors for play of the Lower Half Scissor Spherical Bearing (bearing) and removing the bearing if there is play beyond allowable limits. This AD also requires removing all affected bearings. This AD is prompted by reports of…