EASA Regulations for Leonardo AB412EP

4 airworthiness directives and regulatory documents affecting Leonardo AB412EP.

EASA AD 2022-0258

Main Rotor Drive — Main Transmission Support Case — Inspection / Replacement

EASA Airworthiness Directive 2022-0258 is an airworthiness directive addressing the main rotor drive main transmission support case for Leonardo S.p.A. AB212, AB412, and AB412EP helicopters. It mandates inspections and possible replacement of the main transmission support case to detect and correct cracks caused by corrosion, which could compromise helicopter control.

Dec 20, 2022

Airworthiness DirectiveMaintenanceSafety MgmtLeonardo S.P.A. Helicopters AB212Leonardo S.P.A. Helicopters AB412Leonardo AB212Leonardo AB412Leonardo AB412EP

EASA AD 2022-0084

Fuselage — Tailboom / Fin Spar Cap — Inspection

EASA Airworthiness Directive 2022-0084 is an airworthiness directive issued by EASA that applies to Leonardo S.p.A. AB212, AB412, and AB412EP helicopters. It mandates repetitive inspections of the left-hand fin spar cap, part number 212-030-447-117, and the adjacent fin skin to detect fatigue cracks that could compromise structural integrity. The directive provides inspection instructions based on Leonardo service bulletins SB 212-213 and SB 412-168.

May 11, 2022

Airworthiness DirectiveMaintenanceSafety MgmtLeonardo S.P.A. Helicopters AB212Leonardo S.P.A. Helicopters AB412Leonardo AB212Leonardo AB412Leonardo AB412EP

EASA AD 2022-0046

Fuselage — Tailboom Attachment — Inspection / Replacement

EASA Airworthiness Directive 2022-0046 is an airworthiness directive addressing inspection and replacement requirements for the tailboom attachment bolts and barrel nuts on Leonardo S.p.A. AB212, AB412, and AB412EP helicopters. The directive targets potential cracks and fractures in these components that could compromise the tailboom attachment. It applies to all serial numbers of the affected helicopter models.

Mar 17, 2022

Airworthiness DirectiveMaintenanceSafety MgmtLeonardo S.P.A. Helicopters AB212Leonardo S.P.A. Helicopters AB412Leonardo AB212Leonardo AB412Leonardo AB412EP

EASA AD 2022-0035

SUPERSEDED BY EASA AD 2022-0046

EASA Airworthiness Directive 2022-0035 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Leonardo S.p.A. AB212, AB412, and AB412EP helicopters. It addresses the inspection and replacement of tailboom attachment bolts and barrel nuts due to reports of cracking and fractures that could compromise the tailboom attachment. The directive mandates inspections, replacements, and torque checks to ensure continued airworthiness.

Mar 7, 2022

Airworthiness DirectiveMaintenanceSafety MgmtLeonardo S.P.A. Helicopters AB212Leonardo S.P.A. Helicopters AB412Leonardo AB212Leonardo AB412Leonardo AB412EP