EASA Regulations for Leonardo AB412EP

9 airworthiness directives and regulations affecting Leonardo AB412EP.

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New ADs and bulletins for Leonardo AB412EP, summarized like the ones below, every Monday.

EASA AD 2022-0258

Dec 20, 2022

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.

Airworthiness Directive
  • Leonardo S.P.A. Helicopters AB212
  • Leonardo S.P.A. Helicopters AB412
  • Leonardo AB212
  • Leonardo AB412
  • Leonardo AB412EP

EASA AD 2022-0084

May 11, 2022

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.

Airworthiness Directive
  • Leonardo S.P.A. Helicopters AB212
  • Leonardo S.P.A. Helicopters AB412
  • Leonardo AB212
  • Leonardo AB412
  • Leonardo AB412EP

EASA AD 2022-0046

Mar 17, 2022

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.

Airworthiness Directive
  • Leonardo S.P.A. Helicopters AB212
  • Leonardo S.P.A. Helicopters AB412
  • Leonardo AB212
  • Leonardo AB412
  • Leonardo AB412EP

EASA AD 2022-0035

Mar 7, 2022

Fuselage – Tailboom Attachment – Inspection / Replacement

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.

Airworthiness DirectiveSuperseded
  • Leonardo S.P.A. Helicopters AB212
  • Leonardo S.P.A. Helicopters AB412
  • Leonardo AB212
  • Leonardo AB412
  • Leonardo AB412EP

EASA AD 2021-0126

May 10, 2021

Fuel / Oil — Check Valves — Inspection / Replacement

EASA Airworthiness Directive 2021-0126 is an official regulatory document addressing inspection and replacement requirements for fuel and oil check valves on Leonardo S.p.A. AB212, AB412, and AB412EP helicopters. It specifically targets oil check valves with Part Number 209-062-520-1 and fuel check valves with Part Number 209-062-607-1 manufactured by Circor Aerospace. The directive mandates inspections to detect cracks caused by incorrect torque application and requires replacement of affected parts to ensure continued airworthiness.

Airworthiness Directive
  • Leonardo S.P.A. Helicopters AB212
  • Leonardo S.P.A. Helicopters AB412
  • Leonardo AB212
  • Leonardo AB412
  • Leonardo AB412EP

EASA AD 2021-0072-E

Mar 12, 2021

Equipment / Furnishings — Hoist Support — Inspection / Replacement

EASA Airworthiness Directive 2021-0072-E is an emergency directive addressing the inspection and possible replacement of hoist support assemblies with Part Number 212-8800-02-1 installed on Leonardo AB412 and AB412EP helicopters. This directive applies to all serial numbers of these helicopter models and focuses on ensuring the structural integrity of the hoist support to prevent in-flight detachment. The directive mandates inspections and corrective actions to maintain airworthiness.

Airworthiness Directive
  • Leonardo S.P.A. Helicopters AB212
  • Leonardo S.P.A. Helicopters AB412
  • Leonardo AB412
  • Leonardo AB412EP

EASA AD 2020-0192

Sep 4, 2020

Electrical Power — Cable Assembly — Inspection

EASA Airworthiness Directive 2020-0192 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Leonardo S.p.A. AB412 and AB412EP helicopters. It mandates inspection of the electrical power cable assembly to detect potential chafing caused by an improperly installed protective grommet in the emergency bus interlock compartment. The directive aims to prevent autopilot failure and loss of avionics systems due to wiring damage.

Airworthiness Directive
  • Leonardo S.P.A. Helicopters AB212
  • Leonardo S.P.A. Helicopters AB412
  • Leonardo AB412
  • Leonardo AB412EP

EASA AD 2020-0062-E

Mar 17, 2020

Tail Rotor — Hub / Blade Assembly — Replacement

EASA Airworthiness Directive 2020-0062-E is an emergency directive addressing the replacement of tail rotor hub and blade assemblies on Leonardo AB212, AB412, and AB412EP helicopters. It targets specific tail rotor blades with part number 212-010-750-133 that may have manufacturing defects. The directive mandates inspection and replacement to ensure continued airworthiness and flight safety.

Airworthiness Directive
  • Leonardo S.P.A. Helicopters AB212
  • Leonardo S.P.A. Helicopters AB412
  • Leonardo AB212
  • Leonardo AB412
  • Leonardo AB412EP

EASA AD 2019-0311

Dec 19, 2019

Equipment / Furnishings — Emergency Flotation System Inflation Hoses — Inspection

EASA Airworthiness Directive 2019-0311 is a regulatory document addressing the inspection of Emergency Flotation System (EFS) inflation hoses on Leonardo S.p.A. AB139, AW139, AB412, and AB412EP helicopters. The directive targets specific part numbers of EFS semi-rigid cover assemblies to ensure proper inflation during ditching events. It mandates inspections to detect manufacturing defects that could block gas flow to flotation compartments.

Airworthiness Directive
  • Leonardo S.P.A. Helicopters AB139
  • Leonardo S.P.A. Helicopters AW139
  • Leonardo S.P.A. Helicopters AB212
  • Leonardo S.P.A. Helicopters AB412
  • Leonardo AB139
  • Leonardo AW139
  • Leonardo AB412
  • Leonardo AB412EP