Summary
We are adopting a new airworthiness directive (AD) for Bell Model 206L, 206L-1, 206L-3, and 206L-4 helicopters. This AD requires inspecting certain hydraulic servo actuator assemblies (servo) for a loose nut, shaft, and clevis assembly, modifying or replacing the servo as necessary, and reidentifying the servo. This AD is prompted by an investigation after an accident and the determination that there was a loose connection due to improper lock washer installation. These actions are intended to detect loose or misaligned parts of the servo to prevent failure of the servo and subsequent loss of control of the helicopter.
Directive Details
AD Number
FAA-2013-0022
Document Number
2013-01008
Type
Rule
Publication Date
January 23, 2013
Effective Date
February 7, 2013
Affected Manufacturer
Bell Helicopter Textron Canada Limited (Bell)
Criticality
important
Emergency
No
Docket ID
Docket No. FAA-2013-0022
Topics
Official Documents
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