Superseded. This AD was superseded by AD 2025-09-03. Verify which one applies to your serial and effectivity before any maintenance action.
AD 2021-24-09
Effective 12/07/2021 · Published 11/22/2021
Airworthiness Directives; Bell Textron Canada Limited Helicopters
Summary
The FAA is adopting a new airworthiness directive (AD) for certain Bell Textron Canada Limited Model 430 helicopters. This AD was prompted by an in-flight failure of the main rotor (M/R) pitch link clevis (clevis) due to fatigue damage and excessive wear. This AD requires a visual inspection of the M/R clevis, rod end, and a certain part-numbered universal bearing, performing a purge grease, and performing a magneti…