Summary
We are adopting a new airworthiness directive (AD) for Eurocopter Deutschland GmbH (ECD) Model MBB-BK 117 (all versions) and BO-105LS A-3 helicopters. This AD requires inspecting the tail rotor pitch link spherical bearing for proper swaging. This AD is prompted by a report of a tail rotor pitch link with a spherical bearing that had migrated out of the bearing bore. The actions specified by this AD are intended to prevent failure of the tail rotor pitch link and subsequent loss of control of the helicopter.
Directive Details
AD Number
FAA-2012-0704
Document Number
2012-17559
Type
Rule
Publication Date
July 23, 2012
Effective Date
August 7, 2012
Affected Manufacturer
Eurocopter Deutschland GmbH
Criticality
important
Emergency
No
Docket ID
Docket No. FAA-2012-0704
Topics
Official Documents
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