Summary
The FAA is adopting a new airworthiness directive (AD) for all Leonardo S.p.a. Model AB139 and AW139 helicopters. This AD was prompted by multiple reports of cracks found on tail rotor (TR) damper bracket assemblies. This AD requires accomplishing repetitive detailed visual inspections (DVIs) of certain part-numbered TR damper bracket assemblies for corrosion and cracks and, depending on the results, taking corrective action. This AD also prohibits installing an affected TR damper bracket assembly unless it is new. These actions are specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference. The FAA is issuing this AD to address the unsafe condition on these products.
Directive Details
AD Number
FAA-2024-0997
Document Number
2024-23066
Type
Rule
Publication Date
October 7, 2024
Effective Date
November 12, 2024
Affected Manufacturer
Leonardo S.p.a.
Criticality
routine
Emergency
No
Docket ID
Docket No. FAA-2024-0997
Topics
Official Documents
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