routineRule

AD FAA-2019-0092

Airworthiness Directives; Leonardo S.p.A. Helicopters

Summary

We are adopting a new airworthiness directive (AD) for Leonardo S.p.A. Model AB139, AW139, AW169, and AW189 helicopters. This AD requires removing certain part-numbered and serial-numbered tail rotor (T/R) duplex bearings from service. This AD is prompted by a report of a failed T/R duplex bearing roughness inspection. The actions of this AD are intended to address an unsafe condition on these products.

Directive Details

AD Number

FAA-2019-0092

Document Number

2019-04529

Type

Rule

Publication Date

March 13, 2019

Effective Date

March 28, 2019

Affected Manufacturer

Leonardo S.p.A.

Criticality

routine

Emergency

Docket ID

Docket No. FAA-2019-0092

Topics

Air transportationAircraftAviation safetyIncorporation by referenceSafety

Official Documents

View PDF View on Federal Register

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