AD 2026-09-15

Effective 07/21/2026 · Published 06/16/2026

Airworthiness Directives; Airbus Helicopters

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Summary

The FAA is superseding Airworthiness Directive (AD) 2023-01-04 for all Airbus Helicopters Model AS350B, AS350BA, AS350B1, AS350B2, AS350B3, AS350D, AS355E, AS355F, AS355F1, AS355F2, AS355N, and AS355NP helicopters. AD 2023-01-04 required, for helicopters with certain part- numbered tail rotor head (TRH) spider pitch change units installed, inspecting the pitch change spider nut (nut) for correct installation; markin…

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