Summary
We are adopting a new airworthiness directive (AD) for Eurocopter France (Eurocopter) Model AS350 and AS355 helicopters, to require inspecting for a crack in the control lever attachment yokes, and if needed, replacing the tail rotor gearbox (TGB). This AD is prompted by improper casting of TGB casing assemblies, which may lead to cracking. A crack in the control lever attachment yokes could cause a loss of tail rotor pitch control, and consequently, loss of control of the helicopter.
Directive Details
AD Number
FAA-2013-0119
Document Number
2013-22295
Type
Rule
Publication Date
September 17, 2013
Effective Date
October 22, 2013
Affected Manufacturer
Eurocopter France
Criticality
routine
Emergency
No
Docket ID
Docket No. FAA-2013-0119
Topics
Official Documents
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