Document ID: chunk:federal_register_of_legislation:F2008L01656:body:0:p2
Version: federal_register_of_legislation:F2008L01656
Segment Type: other
Provision Reference: 
Character Range: 2857–3567

effective on 1 June 2008.
Background:  Reports were received of three occurrences of cracked tail rotor blades which were discovered during scheduled inspection.  Two cracks initiated from the outboard bearing bore underneath the flanged sleeves.  The third crack initiated from the inboard bearing bore.  Corrosion and machining burrs are suspected as the crack initiators.

             Amendment 1 introduced terminating action for the repetitive inspection requirements.

             Amendment 2 is issued in response to a revision of the related Transport Canada AD, which extends terminating action until 31 December 2008.

David Villiers
Delegate of the Civil Aviation Safety Authority

19 May 2008