EASA AD 2021-0165-E
SUPERSEDED BY EASA AD 2022-0052-E
EASA Airworthiness Directive 2021-0165-E is an emergency directive addressing safety concerns for Leonardo S.p.A. AB204B, AB205A-1, and AB212 helicopters. It targets the main rotor hub strap pins (MRHSP) with part number 204-012-104-005 and serial numbers beginning with 'FNFS', which have shown premature failure. The directive mandates immediate replacement of these affected parts to prevent main rotor blade detachment.
Airworthiness DirectiveMaintenanceSafety MgmtLeonardo S.P.A. Helicopters AB204Leonardo S.P.A. Helicopters AB205Leonardo S.P.A. Helicopters AB212Leonardo S.P.A. Helicopters AB412Leonardo AB204BLeonardo AB205A-1Leonardo AB212