Summary
We are adopting a new airworthiness directive (AD) for Airbus Helicopters Model AS350B, BA, B1, B2, B3, and D, and Model AS355E, F, F1, F2, and N helicopters with certain tail rotor (T/R) blades. This AD requires installing additional rivets to secure each T/R blade trailing edge tab (tab), and inspecting for evidence of debonding of the tab after the rivets are installed. This AD was prompted by reports of T/R blade tab debonding. The actions of this AD are intended to prevent loss of a T/R blade tab, which could result in excessive vibration and loss of control of the helicopter.
Directive Details
AD Number
FAA-2013-0351
Document Number
2014-04285
Type
Rule
Publication Date
March 5, 2014
Effective Date
April 9, 2014
Affected Manufacturer
Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) (Airbus Helicopters)
Criticality
important
Emergency
No
Docket ID
Docket No. FAA-2013-0351
Topics
Official Documents
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