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EASA Regulations for Leonardo AB139

34 airworthiness directives and regulations affecting Leonardo AB139.

EASA AD 2020-0131

Equipment / Furnishings — Hoist Cable Cutter Frame — Modification

EASA Airworthiness Directive 2020-0131 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Leonardo S.p.A. AB139 and AW139 helicopters. It addresses the hoist cable cutter frame installed on single and double hoist control panels with specific part numbers. The directive mandates a modification to prevent inadvertent activation of the hoist cable cutter during night operations.

Jun 5, 2020
Airworthiness DirectiveMaintenanceSafety MgmtLeonardo S.P.A. Helicopters AB139Leonardo S.P.A. Helicopters AW139Leonardo AB139Leonardo AW139

EASA AD 2020-0013

Fire Protection — Hand-held Fire Extinguishers — Replacement

EASA Airworthiness Directive 2020-0013 is an airworthiness directive addressing fire protection on various Airbus Helicopters, Leonardo, and WSK PZL – ŚWIDNIK helicopter models. It specifically targets the replacement of certain umlaut engineering GmbH Halon-free hand-held fire extinguishers with manufacturing defects that could render them inoperative. The affected helicopter models include AS 332, AS 365, EC 155, EC 175, EC 225, SA 330, SA 365, EC135, EC635, MBB-BK117, AB139, AB 204, AB 205, AB 212, AB 412, AS-61, AW139, AW169, AW189, and PZL W-3A series helicopters.

Jan 29, 2020
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC175Airbus Helicopters SA 330Airbus Helicopters AS 332Airbus Helicopters EC 225Airbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters EC135Airbus Helicopters 635Airbus Helicopters MBB-BK 117Leonardo S.P.A. Helicopters AB139Leonardo S.P.A. Helicopters AW139Leonardo S.P.A. Helicopters AB204Leonardo S.P.A. Helicopters AB205Leonardo S.P.A. Helicopters AB212Leonardo S.P.A. Helicopters AB412Leonardo S.P.A. Helicopters AS-61Leonardo S.P.A. Helicopters AW169Leonardo S.P.A. Helicopters AW189Wsk Pzl-Swidnik PZL W-3AAirbus Helicopters EC 175Airbus Helicopters SA 365Airbus Helicopters EC635Airbus Helicopters MBB-BK117Leonardo AB139Leonardo AB 204Leonardo AB 205Leonardo AB 212Leonardo AB 412Leonardo AS-61Leonardo AW139Leonardo AW169Leonardo AW189WSK PZL – ŚWIDNIK PZL W-3A

EASA AD 2019-0311

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.

Dec 19, 2019
Airworthiness DirectiveMaintenanceSafety MgmtLeonardo S.P.A. Helicopters AB139Leonardo S.P.A. Helicopters AW139Leonardo S.P.A. Helicopters AB212Leonardo S.P.A. Helicopters AB412Leonardo AB139Leonardo AW139Leonardo AB412Leonardo AB412EP

EASA AD 2019-0174

SUPERSEDED BY EASA AD 2020-0011

EASA Airworthiness Directive 2019-0174 is an airworthiness directive issued for Leonardo S.p.A. AB139 and AW139 helicopters. It addresses the replacement of the main gearbox (MGB) bearing lock-nut part number 3G6320A09151 to prevent potential failure of the MGB planetary gears. This directive applies to all serial numbers of AB139 and AW139 helicopters equipped with affected main gearboxes.

Jul 18, 2019
Airworthiness DirectiveMaintenanceSafety MgmtLeonardo S.P.A. Helicopters AB139Leonardo S.P.A. Helicopters AW139Leonardo AB139Leonardo AW139

EASA AD 2019-0149

Powerplant — Engine Mounting Rods — Replacement

EASA Airworthiness Directive 2019-0149 is an official safety directive addressing the replacement of engine mounting rods, part number 3G7120V00132, on Leonardo S.p.A. AB139 and AW139 helicopters. This directive applies to all serial numbers of these helicopter models and mandates the removal and replacement of affected engine mounting rods due to a production non-conformity. The directive ensures continued airworthiness and safety by preventing potential rod failure.

Jun 24, 2019
Airworthiness DirectiveMaintenanceSafety MgmtLeonardo S.P.A. Helicopters AB139Leonardo S.P.A. Helicopters AW139Leonardo AB139Leonardo AW139

EASA AD 2019-0073

Tail Rotor — Full Ice Protection System Tail Rotor Blades — Inspection / Replacement

EASA Airworthiness Directive 2019-0073 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Leonardo S.p.A. AB139 and AW139 helicopters equipped with the Full Ice Protection System (FIPS). It addresses inspection and replacement requirements for specific tail rotor blades with part numbers 4G6410A00131, 4G6410A00132, and 4G6410A00133. The directive aims to ensure the continued airworthiness of these helicopters by mitigating risks related to tail rotor blade damage.

Mar 28, 2019
Airworthiness DirectiveMaintenanceSafety MgmtLeonardo S.P.A. Helicopters AB139Leonardo S.P.A. Helicopters AW139Leonardo AB139Leonardo AW139

EASA AD 2019-0036

SUPERSEDED BY EASA AD 2019-0174

EASA Airworthiness Directive 2019-0036 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Leonardo S.p.A. AB139 and AW139 helicopters. It addresses the replacement of the main gearbox bearing lock-nut part number 3G6320A09151 to prevent potential failure of the main gearbox planetary gears. This directive applies to all serial numbers of the AB139 and AW139 helicopter models.

Feb 15, 2019
Airworthiness DirectiveMaintenanceSafety MgmtLeonardo S.P.A. Helicopters AB139Leonardo S.P.A. Helicopters AW139Leonardo AB139Leonardo AW139

EASA AD 2019-0022

[Correction] Tail Rotor — Duplex Bearings — Replacement

EASA Airworthiness Directive 2019-0022 is a corrective directive addressing the replacement of tail rotor duplex bearings on Leonardo S.p.A. AB139, AW139, AW169, and AW189 helicopters. The directive targets specific part numbers and serial numbers of tail rotor duplex bearings identified as potentially defective due to a quality non-conformity. It mandates replacement of affected bearings to ensure continued airworthiness and safe operation of the helicopters.

Feb 4, 2019
Airworthiness DirectiveMaintenanceSafety MgmtLeonardo S.P.A. Helicopters AB139Leonardo S.P.A. Helicopters AW139Leonardo S.P.A. Helicopters AW169Leonardo S.P.A. Helicopters AW189Leonardo AB139Leonardo AW139Leonardo AW169Leonardo AW189

EASA AD 2018-0292

Tail Rotor — Tail Rotor Slider Assembly — Inspection

EASA Airworthiness Directive 2018-0292 is an airworthiness directive addressing the inspection of the tail rotor slider assembly, Part Number 3G6430A00131, on Leonardo S.p.A. AB139 and AW139 helicopters. It mandates a one-time detailed visual inspection for corrosion and damage, with possible repetitive inspections or replacement depending on findings. The directive aims to prevent potential failure of the tail rotor controls due to fatigue cracks caused by corrosion.

Dec 28, 2018
Airworthiness DirectiveMaintenanceSafety MgmtLeonardo S.P.A. Helicopters AB139Leonardo S.P.A. Helicopters AW139Leonardo AB139Leonardo AW139

EASA AD 2018-0208

Emergency Flotation System — Aft Float Assembly Inflation System — Removal / Installation

EASA Airworthiness Directive 2018-0208 addresses the emergency flotation system aft float assembly inflation system on Leonardo S.p.A. AB139, AW139, AW169, and AW189 helicopters. It applies to specific part numbers of the Shape Memory Alloy inflation systems installed on these helicopters. The directive mandates removal and replacement of affected parts to prevent uncommanded deployment of the emergency flotation system.

Sep 20, 2018
Airworthiness DirectiveMaintenanceSafety MgmtLeonardo S.P.A. Helicopters AB139Leonardo S.P.A. Helicopters AW139Leonardo S.P.A. Helicopters AW169Leonardo S.P.A. Helicopters AW189Leonardo AB139Leonardo AW139Leonardo AW169Leonardo AW189

EASA AD 2018-0132

SUPERSEDED BY EASA AD 2026-0003

EASA Airworthiness Directive 2018-0132 is an airworthiness directive issued by the European Aviation Safety Agency affecting Leonardo S.p.A. AB139 and AW139 helicopters. It mandates compliance with updated airworthiness limitations and maintenance tasks as specified in Leonardo's Maintenance Manual, issue 9, to ensure continued airworthiness of these helicopter models.

Jun 21, 2018
Airworthiness DirectiveMaintenanceSafety MgmtLeonardo S.P.A. Helicopters AB139Leonardo S.P.A. Helicopters AW139Leonardo AB139Leonardo AW139

EASA AD 2018-0130

Main Rotor — Main Rotor Blades — Inspection

EASA Airworthiness Directive 2018-0130 is an airworthiness directive addressing the inspection of main rotor blades on Leonardo S.p.A. AB139 and AW139 helicopters. It mandates repetitive hammer tapping inspections of specific main rotor blades with part number 3G6210A00131 due to potential bonding defects in the tip cap. The directive applies to all serial numbers of these helicopters and aims to prevent in-flight loss of the rotor blade tip cap.

Jun 18, 2018
Airworthiness DirectiveMaintenanceSafety MgmtLeonardo S.P.A. Helicopters AB139Leonardo S.P.A. Helicopters AW139Leonardo AB139Leonardo AW139

EASA AD 2018-0002

Information Systems — —Primus Epic— System Software — Software Update

EASA Airworthiness Directive 2018-0002 is an official regulatory document addressing software updates for the "Primus Epic" system installed on Leonardo S.p.A. AB139 and AW139 helicopters. This directive applies to specific serial numbers equipped with software releases 7.4, 7.7, or 7.10. It mandates an upgrade to improved software versions to ensure continued airworthiness and system reliability.

Jan 4, 2018
Airworthiness DirectiveMaintenanceSafety MgmtLeonardo S.P.A. Helicopters AB139Leonardo S.P.A. Helicopters AW139Leonardo AB139Leonardo AW139

EASA AD 2017-0124R1

SUPERSEDED BY EASA AD 2018-0132

EASA Airworthiness Directive 2017-0124R1 is an amendment applicable to Leonardo S.p.A. AB139 and AW139 helicopters. It mandates compliance with updated airworthiness limitations and maintenance tasks as specified in the latest issue of the Leonardo Helicopters Maintenance Manual 39-A-AMPI-00-P Chapter IV. This directive ensures continued airworthiness by enforcing life limits and inspection requirements for these helicopter models.

Dec 13, 2017
Airworthiness DirectiveMaintenanceSafety MgmtLeonardo S.P.A. Helicopters AB139Leonardo S.P.A. Helicopters AW139Leonardo AB139Leonardo AW139