airworthiness · Rule · Final rule. · Published 2021-02-25 · Effective 2021-04-01 · 86 FR 11410
Document
Document number
2021-03660
Federal Register citation
86 FR 11410
Type
Rule
Action
Final rule.
Category
airworthiness
Manufacturer
Leonardo S.p.a.
Publication date
2021-02-25
Effective date
2021-04-01
FAA docket
Docket No. FAA-2020-0649
Abstract
The FAA is adopting a new airworthiness directive (AD) for certain Leonardo S.p.a. (Leonardo) Model AB139 and AW139 helicopters. This AD requires removing certain engine mounting rods from service and prohibits their installation on any helicopter. This AD was prompted by a report of non-conforming engine mounting rods. The actions of this AD are intended to address an unsafe condition on these products.