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AD/AS 355/57 Amdt 1 - Tail Rotor Hub Pitch Change Bearings
Transfer of bearings between models:Transfer of bearings between models:
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Transfer of bearings between models:
If bearings are to be transferred from one AS 355 version to another, apply the transfer rules defined in Master Servicing Manual, Chapter 05.99, Page P8.
This Amendment becomes effective on 31 October 2002.
Background: This Airworthiness Directive is prompted by advice from the DGAC that cracks have been found in some tail rotor pitch change plate bearings, which can lead to malfunction of the plate and loss of control of the helicopter.