Superseded. This AD was superseded by AD 2018-02-01. Verify which one applies to your serial and effectivity before any maintenance action.
AD 2015-08-51
Effective 06/02/2015 · Published 05/18/2015
Airworthiness Directives; The Enstrom Helicopter Corporation
Summary
We are publishing a new airworthiness directive (AD) for Enstrom Helicopter Corporation (Enstrom) Model F-28A, 280, F-28C, F- 28C-2, F-28C-2R, 280C, F-28F, F-28F-R, 280F, 280FX, and 480 helicopters. This AD was sent previously to all known U.S. owners and operators of these helicopters and supersedes Emergency AD (EAD) 2015- 04-51, dated February 12, 2015. This AD requires inspecting certain main rotor spindles (spi…