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The FAA is adopting a new airworthiness directive (AD) for all Leonardo S.p.a. Model AB412 and AB412 EP helicopters. This AD was prompted by reports of a cracked main gearbox (MGB) support case. This AD requires revising the existing rotorcraft flight manual (RFM) for the helicopter. The FAA is issuing this AD to address the unsafe condition on these products.
Published
Feb 3, 2026
Effective
Feb 18, 2026
Citation
91 FR 4843
Agencies
2
Full text not available in our database.
View on Federal Register →Get a plain-English explanation of what this regulation does, which agencies are responsible, and how it affects existing rules.
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Docket No. FAA-2026-0021
Project Identifier MCAI-2024-00668-R
Amendment 39-23245
AD 2026-02-09
2120-AA64
14 CFR 39