AD 2018-10-06

Effective 06/25/2018 · Published 05/21/2018

Airworthiness Directives; Bell Helicopter Textron Canada Limited (Bell) Helicopters

Bell Helicopter Textron Canada Bell Textron Canada Bell Helicopter Textron Canada Limited

Summary

We are adopting a new airworthiness directive (AD) for Bell Model 407 helicopters. This AD requires repetitive inspections of the tail rotor (TR) driveshaft segment assemblies and a torque check of the TR adapter retention nuts. This AD was prompted by a report of an in- flight failure of the TR drive system. The actions of this AD are intended to detect and correct an unsafe condition on these products.

Read the full AD on the Federal Register See what applies to your aircraft — Logbook