EASA Regulations for Leonardo AB139

37 airworthiness directives and regulations affecting Leonardo AB139.

EASA AD 2020-0271

Dec 8, 2020

Main Rotor — Swashplate Boot — Inspection

EASA Airworthiness Directive 2020-0271 is an airworthiness directive addressing the inspection of 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, specifically part number 3G6230V00251, to prevent in-flight failure of the external stainless steel rings bonded to the boot. 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 S.P.A. Helicopters AW189
  • Leonardo AB139
  • Leonardo AW139
  • Leonardo AW189

EASA AD 2020-0011R1

Nov 20, 2020

Main Rotor Drive – Main Gearbox Bearing Lock Nut – Replacement

EASA Airworthiness Directive 2020-0011R1 is an amendment addressing the main gearbox (MGB) bearing lock nut issue on Leonardo S.p.A. AB139 and AW139 helicopters. It mandates replacing the cracked MGB bearing lock nut part number 3G6320A09151 with an improved lock nut part number 3G6320A09152 to prevent potential failure of the MGB planetary gears. The directive applies to all serial numbers of these helicopter models and specifies affected MGB part numbers.

Airworthiness DirectiveSuperseded
  • Leonardo S.P.A. Helicopters AB139
  • Leonardo S.P.A. Helicopters AW139
  • Leonardo AB139
  • Leonardo AW139

EASA AD 2020-0185

Aug 19, 2020

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

EASA Airworthiness Directive 2020-0185 is issued for Leonardo S.p.A. AB139 and AW139 helicopters equipped with specific emergency flotation kits. It addresses the risk of inadvertent activation and deployment of the emergency life raft during flight due to issues with certain life raft reservoirs and actuator cables. The directive mandates inspections and replacements to ensure continued airworthiness and flight safety.

Airworthiness DirectiveSuperseded
  • Leonardo S.P.A. Helicopters AB139
  • Leonardo S.P.A. Helicopters AW139
  • Leonardo AB139
  • Leonardo AW139

EASA AD 2020-0131

Jun 5, 2020

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.

Airworthiness Directive
  • Leonardo S.P.A. Helicopters AB139
  • Leonardo S.P.A. Helicopters AW139
  • Leonardo AB139
  • Leonardo AW139

EASA AD 2020-0013

Jan 29, 2020

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.

Airworthiness Directive
  • Airbus Helicopters EC175
  • Airbus Helicopters SA 330
  • Airbus Helicopters AS 332
  • Airbus Helicopters EC 225
  • Airbus Helicopters SA
  • Airbus Helicopters AS 365
  • Airbus Helicopters EC 155
  • Airbus Helicopters EC135
  • Airbus Helicopters 635
  • Airbus Helicopters MBB-BK 117
  • Leonardo S.P.A. Helicopters AB139
  • Leonardo S.P.A. Helicopters AW139
  • Leonardo S.P.A. Helicopters AB204
  • Leonardo S.P.A. Helicopters AB205
  • Leonardo S.P.A. Helicopters AB212
  • Leonardo S.P.A. Helicopters AB412
  • Leonardo S.P.A. Helicopters AS-61
  • Leonardo S.P.A. Helicopters AW169
  • Leonardo S.P.A. Helicopters AW189
  • Wsk Pzl-Swidnik PZL W-3A
  • Airbus Helicopters EC 175
  • Airbus Helicopters SA 365
  • Airbus Helicopters EC635
  • Airbus Helicopters MBB-BK117
  • Leonardo AB139
  • Leonardo AB 204
  • Leonardo AB 205
  • Leonardo AB 212
  • Leonardo AB 412
  • Leonardo AS-61
  • Leonardo AW139
  • Leonardo AW169
  • Leonardo AW189
  • WSK PZL – ŚWIDNIK PZL W-3A

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

EASA AD 2019-0174

Jul 18, 2019

Main Rotor Drive – Main Gearbox Bearing Lock-Nut – Replacement

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.

Airworthiness DirectiveSuperseded
  • Leonardo S.P.A. Helicopters AB139
  • Leonardo S.P.A. Helicopters AW139
  • Leonardo AB139
  • Leonardo AW139

EASA AD 2019-0149

Jun 24, 2019

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.

Airworthiness Directive
  • Leonardo S.P.A. Helicopters AB139
  • Leonardo S.P.A. Helicopters AW139
  • Leonardo AB139
  • Leonardo AW139

EASA AD 2019-0073

Mar 28, 2019

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.

Airworthiness Directive
  • Leonardo S.P.A. Helicopters AB139
  • Leonardo S.P.A. Helicopters AW139
  • Leonardo AB139
  • Leonardo AW139

EASA AD 2019-0036

Feb 15, 2019

Main Rotor Drive – Main Gearbox Bearing Lock-Nut – Replacement

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.

Airworthiness DirectiveSuperseded
  • Leonardo S.P.A. Helicopters AB139
  • Leonardo S.P.A. Helicopters AW139
  • Leonardo AB139
  • Leonardo AW139

EASA AD 2019-0022

Feb 4, 2019

[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.

Airworthiness Directive
  • Leonardo S.P.A. Helicopters AB139
  • Leonardo S.P.A. Helicopters AW139
  • Leonardo S.P.A. Helicopters AW169
  • Leonardo S.P.A. Helicopters AW189
  • Leonardo AB139
  • Leonardo AW139
  • Leonardo AW169
  • Leonardo AW189

EASA AD 2018-0292

Dec 28, 2018

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.

Airworthiness Directive
  • Leonardo S.P.A. Helicopters AB139
  • Leonardo S.P.A. Helicopters AW139
  • Leonardo AB139
  • Leonardo AW139

EASA AD 2018-0208

Sep 20, 2018

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.

Airworthiness Directive
  • Leonardo S.P.A. Helicopters AB139
  • Leonardo S.P.A. Helicopters AW139
  • Leonardo S.P.A. Helicopters AW169
  • Leonardo S.P.A. Helicopters AW189
  • Leonardo AB139
  • Leonardo AW139
  • Leonardo AW169
  • Leonardo AW189

EASA AD 2018-0132

Jun 21, 2018

Time Limits / Maintenance Checks – Airworthiness Limitation Section – Amendment / Implementation

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.

Airworthiness DirectiveSuperseded
  • Leonardo S.P.A. Helicopters AB139
  • Leonardo S.P.A. Helicopters AW139
  • Leonardo AB139
  • Leonardo AW139

EASA AD 2018-0130

Jun 18, 2018

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.

Airworthiness Directive
  • Leonardo S.P.A. Helicopters AB139
  • Leonardo S.P.A. Helicopters AW139
  • Leonardo AB139
  • Leonardo AW139

EASA AD 2018-0002

Jan 4, 2018

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.

Airworthiness Directive
  • Leonardo S.P.A. Helicopters AB139
  • Leonardo S.P.A. Helicopters AW139
  • Leonardo AB139
  • Leonardo AW139

EASA AD 2017-0124R1

Dec 13, 2017

Time Limits / Maintenance Checks – Airworthiness Limitation Section – Amendment / Implementation

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.

Airworthiness DirectiveSuperseded
  • Leonardo S.P.A. Helicopters AB139
  • Leonardo S.P.A. Helicopters AW139
  • Leonardo AB139
  • Leonardo AW139