Summary
We are revising Airworthiness Directive (AD) 2011-22-05 for Eurocopter France (Eurocopter) Model AS350B, B1, B2, B3, BA, C, D, D1, AS355E, F, F1, F2, N, and NP helicopters with certain tail rotor (T/R) pitch control rods (control rods) installed. AD 2011-22-05 required checking the control rod for play before the first flight of each day. This new AD requires checking the control rod for play within 30 hours time-in-service (TIS) and, if no bearing play is detected, thereafter at intervals not to exceed 30 hours TIS. The actions in this AD are intended to prevent failure of a T/R control rod, loss of T/R control, and subsequent loss of control of the helicopter.
Directive Details
AD Number
FAA-2011-1158
Document Number
2014-04282
Type
Rule
Publication Date
March 13, 2014
Effective Date
April 17, 2014
Affected Manufacturer
Airbus Helicopters (Type Certificate Previously Held By Eurocopter France) (Airbus Helicopters)
Criticality
important
Emergency
No
Docket ID
Docket No. FAA-2011-1158
Topics
Official Documents
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