importantRule

AD FAA-2014-0109

Airworthiness Directives; Agusta S.p.A. Helicopters

Summary

We are adopting a new airworthiness directive (AD) for Agusta S.p.A. (Agusta) Model AB412 and AB412 EP helicopters. This AD requires inspecting the tail rotor (T/R) blade for a crack, corrosion, nick, scratch, dent, or other damage and replacing or repairing the blade, depending on the damage. This AD is prompted by reports of T/R blade failures caused by fatigue cracking that originated from surface damage. These actions are intended to prevent failure of the T/R blade and subsequent loss of control of the helicopter.

Directive Details

AD Number

FAA-2014-0109

Document Number

2014-04274

Type

Rule

Publication Date

March 10, 2014

Effective Date

March 25, 2014

Affected Manufacturer

Agusta S.p.A.

Criticality

important

Emergency

Docket ID

Docket No. FAA-2014-0109

Topics

Air transportationAircraftAviation safetyIncorporation by referenceSafety

Official Documents

View PDF View on Federal Register

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