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EASA Regulations for Leonardo AW139

37 airworthiness directives and regulations affecting Leonardo AW139.

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New ADs and bulletins for Leonardo AW139, summarized like the ones below, every Monday.

EASA AD 2020-0271R1

Main Rotor – Swashplate Boot – Inspection

EASA Airworthiness Directive 2020-0271R1 is an updated regulation addressing inspection requirements for the main rotor swashplate boot on Leonardo S.p.A. AB139, AW139, and AW189 helicopters. It focuses on the inspection and maintenance of the affected main rotor swashplate boot part number 3G6230V00251 and its bonded stainless steel external rings to prevent in-flight failures. The directive mandates detailed inspections and adhesive restoration to ensure continued airworthiness.

Airworthiness Directive

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo S.P.A. Helicopters AW189
Leonardo AB139
Leonardo AW139
Leonardo AW189

EASA AD 2025-0094R2

Electrical Power – Overhead Panel Wires Interference – Inspection / Modification

EASA Airworthiness Directive 2025-0094R2 is an updated regulatory requirement addressing electrical power overhead panel wire interference in Leonardo S.p.A. AB139 and AW139 helicopters. It mandates inspections and modifications to detect and correct potential interference and damage between electrical cables and connectors in the overhead panel, which could lead to fire and loss of helicopter control. The directive applies to specific serial number ranges of these helicopter models.

Airworthiness Directive

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo AB139
Leonardo AW139

EASA AD 2026-0165

Engine Exhaust – Nozzle Exhaust Duct Clamp Assembly – Inspection

EASA Airworthiness Directive 2026-0165 is an airworthiness directive addressing the inspection of nozzle exhaust duct clamp assemblies on Leonardo S.p.A. AB139 and AW139 helicopters. It applies to specific serial numbers of these helicopter models and targets clamp assemblies with part numbers 3P7115A10751 or BAS238-6-1300. The directive mandates repetitive inspections to detect damage or cracks that could compromise tail rotor drive shaft safety.

Airworthiness Directive

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo AB139
Leonardo AW139

EASA AD 2025-0094R1

Electrical Power – Overhead Panel Wires Interference – Inspection / Modification

EASA Airworthiness Directive 2025-0094R1 is issued for Leonardo S.p.A. AB139 and AW139 helicopters, addressing interference issues between electrical cables and connectors in the overhead panel. The directive mandates inspections and modifications to prevent potential cable damage that could lead to fire and loss of helicopter control. It applies to all serial numbers from 31201 onward, focusing on Long Nose helicopter configurations.

Airworthiness DirectiveSuperseded

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo AB139
Leonardo AW139

EASA AD 2024-0088

[Correction] Placards and Markings — Rear Facing Seat(s) — Placard Installation

EASA Airworthiness Directive 2024-0088 is a safety directive addressing placard installation for rear facing seats on Leonardo AB139 and AW139 helicopters modified under EASA Supplemental Type Certificates 10030095 and 10017198. The directive mandates new placards instructing occupants to lock the seat headrest in the highest position during take-off and landing. This applies specifically to certain serial-numbered helicopters modified by Mecaer Aviation Group VIP Interiors.

Airworthiness Directive

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo AB139
Leonardo AW139

EASA AD 2024-0084-E

Main Landing Gear – Main Landing Gear Shock Absorber – Inspection

EASA Airworthiness Directive 2024-0084-E is an emergency directive addressing the main landing gear shock absorber assemblies on Leonardo AB139 and AW139 helicopters. It mandates repetitive ultrasonic inspections to detect fatigue cracking in specific shock absorber parts with part numbers 3G3210V00333 and 3G3210V01031. The directive aims to prevent structural failure of the main landing gear that could lead to helicopter damage or occupant injury.

Airworthiness DirectiveSuperseded

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo AB139
Leonardo AW139

EASA AD 2023-0101

Equipment/Furnishings — Life Raft Inflation System — Replacement

EASA Airworthiness Directive 2023-0101 is an airworthiness directive issued by EASA affecting Leonardo S.p.A. AB139 and AW139 helicopters. It addresses the replacement of certain life raft inflation systems with specific part numbers that have been identified as potentially damaged due to improper shipment. The directive mandates replacement of affected life raft inflation systems to ensure safe evacuation capability.

Airworthiness Directive

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo AB139
Leonardo AW139

EASA AD 2023-0088

Placards and Markings — Stretcher Unit / Placard — Installation

EASA Airworthiness Directive 2023-0088 is an airworthiness directive addressing the installation of placards on the 3-stretcher unit assembly installed on Leonardo AB139 and AW139 helicopters modified by Aerolite AG STC 10017231 or EASA.R.S.01403. The directive applies to specific serial numbers of the 3-stretcher unit and affected stretchers, requiring placard installation to indicate occupant weight limits. It aims to ensure continued airworthiness and safety by mitigating risks associated with a design deficiency in the stretcher units.

Airworthiness Directive

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo AB139
Leonardo AW139

EASA AD 2023-0071-E

Main Rotor — Pitch Link Upper Rod End Assembly — Inspection

EASA Airworthiness Directive 2023-0071-E is an emergency directive addressing the inspection of the main rotor pitch link upper rod end assembly with Part Number 3G6230A01133 installed on Leonardo AB139 and AW139 helicopters. It mandates a one-time dimensional check of affected parts to detect incorrect bearing installation that could lead to part fracture and potential loss of helicopter control. This directive applies to all serial numbers of the specified helicopter models.

Airworthiness Directive

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo AB139
Leonardo AW139

EASA AD 2022-0209-E

Harness Installation — Forward Roof Area — Inspection

EASA Airworthiness Directive 2022-0209-E is an emergency directive addressing a potential fire hazard in Leonardo AB139 and AW139 helicopters. It mandates inspections of the harness installation in the forward roof area, specifically focusing on electrical cable routing, the collective torque tube, and diode components. The directive applies to specific serial numbers of AB139 and AW139 helicopters and aims to prevent electrical short circuits that could lead to fire and loss of control.

Airworthiness Directive

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo AB139
Leonardo AW139

EASA AD 2022-0205

Tail Rotor — Damper Bracket — Inspection

EASA Airworthiness Directive 2022-0205 is an airworthiness directive addressing inspection requirements for the tail rotor damper bracket assemblies on Leonardo AB139 and AW139 helicopters. It applies to parts with Part Numbers 3G6420A06131 and 4G6420A04432, covering all serial numbers. The directive mandates repetitive detailed visual inspections to detect cracks and corrosion that could compromise tail rotor damper integrity.

Airworthiness Directive

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo AB139
Leonardo AW139

EASA AD 2022-0182-E

Tail Rotor — Duplex Bearings — Inspection / Replacement; Rotor Flight Control — Tail Rotor Actuator — Inspection / Replacement

EASA Airworthiness Directive 2022-0182-E is an emergency directive addressing inspection and replacement requirements for tail rotor duplex bearings and tail rotor actuators on Leonardo AB139 and AW139 helicopters. It mandates inspections and corrective actions for specific part numbers of tail rotor duplex bearings and tail rotor actuators to prevent potential structural failure. The directive applies to all serial numbers of AB139 and AW139 helicopters.

Airworthiness Directive

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo AB139
Leonardo AW139

EASA AD 2022-0154

Tail Rotor – Damper Bracket – Inspection

EASA Airworthiness Directive 2022-0154 is an airworthiness directive issued for Leonardo S.p.A. AB139 and AW139 helicopters. It addresses the inspection and potential replacement of tail rotor damper bracket assemblies with part number 3G6420A06131 due to detected cracks caused by stress corrosion. The directive mandates repetitive inspections and corrective actions to ensure continued safe operation of affected helicopters.

Airworthiness DirectiveSuperseded

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo AB139
Leonardo AW139

EASA AD 2022-0152-E

Tail Rotor – Duplex Bearings – Inspection / Replacement

EASA Airworthiness Directive 2022-0152-E is an emergency directive addressing safety concerns for Leonardo S.p.A. AB139 and AW139 helicopters. It mandates inspections and potential replacement of tail rotor duplex bearings with specific part numbers to prevent structural failure. The directive applies to all serial numbers of these helicopter models.

Airworthiness DirectiveSuperseded

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo AB139
Leonardo AW139

EASA AD 2020-0191R1

Equipment / Furnishings — Forward Facing Central Seat(s) — Removal

EASA Airworthiness Directive 2020-0191R1 is a regulatory update addressing a design deficiency in certain Leonardo AB139 and AW139 helicopters equipped with a specific passenger cabin floor and forward-facing central seats in the first row. The directive mandates removal of affected seats to prevent potential failure during emergency landings, which could cause injury to occupants. It applies to helicopters with serial numbers 31400 to 31882 and 41300 to 41570, excluding those modified with Leonardo Service Bulletin 139-678.

Airworthiness Directive

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo AB139
Leonardo AW139

EASA AD 2021-0044R1

Electrical Power — Overhead Panel — Inspection

EASA Airworthiness Directive 2021-0044R1 is an updated safety directive addressing electrical power system inspections on Leonardo AB139 and AW139 helicopters. It mandates detailed inspections of the overhead panel wiring to detect chafing and potential short circuits that could cause fire hazards. The directive applies to specific serial numbers of these helicopter models and includes instructions for repetitive inspections and corrective actions.

Airworthiness Directive

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo AB139
Leonardo AW139

EASA AD 2021-0259

[Correction] Fuselage — Tail Gearbox Fitting — Inspection / Replacement

EASA Airworthiness Directive 2021-0259 is a safety directive addressing the inspection and possible replacement of tail gearbox (TGB) fittings, part numbers 3G5351A01151 and 3G5351A01152, on Leonardo AB139 and AW139 helicopters. The directive mandates a one-time borescope inspection of the affected TGB fittings to detect cracks that could compromise helicopter control. It applies to all serial numbers of the specified helicopter models.

Airworthiness Directive

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo AB139
Leonardo AW139

EASA AD 2021-0186R1

[Correction] Equipment / Furnishings — External Hoist Assembly — Rated Load Check

EASA Airworthiness Directive 2021-0186R1 is a correction to the emergency AD addressing the rated load check (RTC) requirement for Breeze external hoist assemblies installed on Leonardo AB139 and AW139 helicopters. It applies to specific Breeze hoist assembly part numbers, particularly those with replaced hoist cables or stored over 12 months. The AD mandates a one-time RTC to ensure the integrity and safe operation of the hoist assemblies.

Airworthiness Directive

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo AB139
Leonardo AW139

EASA AD 2021-0121

Main Rotor Drive — Main Gearbox Bearing Lock Nut — Replacement

EASA Airworthiness Directive 2021-0121 is an airworthiness directive addressing the replacement of main gearbox (MGB) bearing lock nuts on Leonardo AB139 and AW139 helicopters. It applies to all serial numbers of these helicopter models with specific affected MGB part numbers. The directive mandates replacing the cracked or potentially cracked bearing lock nut P/N 3G6320A09151 with an improved design P/N 3G6320A09152 to ensure continued safe operation.

Airworthiness Directive

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo AB139
Leonardo AW139

EASA AD 2021-0054

Equipment / Furnishings — Life Raft Reservoir and Actuator Cable — Replacement / Inspection

EASA Airworthiness Directive 2021-0054 addresses safety concerns for Leonardo S.p.A. AB139 and AW139 helicopters equipped with emergency flotation kits having specific life raft reservoir part numbers. The directive mandates replacement and inspection of certain life raft reservoirs and actuator cables to prevent inadvertent activation and deployment of the emergency life raft during flight. It applies to helicopters with affected reservoirs identified by serial numbers in Leonardo Alert Service Bulletins 139-648 and 139-662.

Airworthiness Directive

Leonardo S.P.A. Helicopters AB139
Leonardo S.P.A. Helicopters AW139
Leonardo AB139
Leonardo AW139