Summary
We are adopting a new airworthiness directive (AD) for Eurocopter France (Eurocopter) Model EC 155B, EC155B1, SA-365N1, AS- 365N2 and AS 365 N3 helicopters to require visually inspecting the tail rotor hub (TRH) for a crack and removing the TRH if a crack exists. This AD is prompted by reports of cracks on two TRHs. These actions are intended to prevent the tail rotor from jamming, which could lead to reduced or loss of control of the helicopter.
Directive Details
AD Number
FAA-2012-1018
Document Number
2012-23448
Type
Rule
Publication Date
September 25, 2012
Effective Date
October 10, 2012
Affected Manufacturer
Eurocopter France
Criticality
routine
Emergency
No
Docket ID
Docket No. FAA-2012-1018
Topics
Official Documents
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