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EASA Regulations for Airbus Helicopters EC 155

54 airworthiness directives and regulations affecting Airbus Helicopters EC 155.

EASA AD 2019-0080

Fuselage — Aft Fuselage Skin Panels — Inspection

EASA Airworthiness Directive 2019-0080 is an airworthiness directive addressing inspection requirements for the aft fuselage skin panels on Airbus Helicopters SA 365, AS 365, and EC 155 models. It mandates repetitive tapping and visual inspections to detect debonding in the aft fuselage outer skin areas, which could compromise structural integrity and safety. The directive applies to all serial numbers of the specified helicopter models.

Apr 3, 2019
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters SA 365

EASA AD 2019-0046

SUPERSEDED BY EASA AD 2020-0212

EASA Airworthiness Directive 2019-0046 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters SA 365, AS 365, and EC 155 models. It addresses a safety issue related to the tail rotor drive flange of the main gearbox on these helicopters, specifically concerning the Shur-Lok nut that retains the tail rotor drive flange. The directive mandates a modification to prevent potential loss of tail rotor drive control.

Mar 11, 2019
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters SA 365

EASA AD 2014-0159R1

Fuselage — 9° Frame — Inspection

EASA Airworthiness Directive 2014-0159R1 is an updated safety directive addressing inspection requirements for the 9° frame on Airbus Helicopters SA 365 and AS 365 models, including SA 365 N, N1, and AS 365 N2 and N3 variants. The directive mandates repetitive inspections to detect cracks that could compromise structural integrity and requires corrective actions or modifications as necessary. This AD applies to all serial numbers except those with a specific Airbus Helicopters modification embodied in production.

Feb 5, 2019
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters SA 365

EASA AD 2014-0162R2

Fuselage — 9° Upper Frame — Inspection

EASA Airworthiness Directive 2014-0162R2 is an updated safety directive addressing inspection requirements for the 9° upper frame on Airbus Helicopters SA 365 and AS 365 models, including SA 365 N, N1, and AS 365 N2 and N3 variants. The directive mandates repetitive inspections to detect cracks in the upper part of the 9° frame to prevent structural failure. It applies to all serial numbers except those with modification 07 53D21 incorporated during production.

Feb 5, 2019
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters SA 365

EASA AD 2019-0008

Fuselage — Cowlings and Fairings — Inspection / Modification

EASA Airworthiness Directive 2019-0008 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters SA 365, AS 365, and EC 155 models. It addresses the inspection and modification requirements for the main gearbox (MGB) fixed cowling attachments to prevent in-flight loss of engine and MGB cowlings. The directive applies to specific serial numbers except those already incorporating certain Airbus Helicopters modifications.

Jan 22, 2019
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters SA 365

EASA AD 2018-0263

Time Limits / Maintenance Checks — Main Gearbox Magnetic Plugs — Inspection Main Rotor Drive — Planet Gear Assemblies — Replacement

EASA Airworthiness Directive 2018-0263 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters EC 155 B and EC 155 B1 models. It addresses inspection and replacement requirements for main gearbox magnetic plugs and planet gear assemblies to ensure continued airworthiness and safety. The directive mandates inspections and potential replacement of affected planet gear assemblies identified by specific part and serial numbers.

Dec 7, 2018
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters EC 155 BAirbus Helicopters EC 155 B1

EASA AD 2018-0258

Windows — Swing Door Jettisonable Window — Modification

EASA Airworthiness Directive 2018-0258 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters EC 155 B and EC 155 B1 models fitted with hinged cabin doors. The directive mandates a modification to the swing door jettisonable windows to ensure they can be opened with the required force. This AD addresses a safety concern related to the difficulty in jettisoning these windows during emergency evacuations.

Nov 30, 2018
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters EC 155 BAirbus Helicopters EC 155 B1

EASA AD 2018-0176

Main Rotor Drive — Main Gearbox Magnetic Plug — Replacement

EASA Airworthiness Directive 2018-0176 is an AD issued for Airbus Helicopters SA 365, AS 365, and EC155 models. It mandates the replacement of certain magnetic plugs installed in the main gearbox pump intake with improved non-electrical magnetic plugs. This directive applies to all serial numbers except those with specific Airbus Helicopters modifications 0763B19 or 0763C96 already embodied.

Aug 21, 2018
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters SA 365Airbus Helicopters EC155

EASA AD 2018-0173-E

Equipment & Furnishings — Hoist Carrier Assembly — Inspection

EASA Airworthiness Directive 2018-0173-E is an emergency directive addressing inspection requirements for the Goodrich electrical hoist carrier assembly installed on Airbus Helicopters AS 332 L2, EC 225 LP, AS 365 N3, and EC175 B models. The directive mandates inspection of specific hoist part numbers to detect incorrect assembly that could lead to carrier assembly loosening and potential load loss. It applies to all serial numbers of the affected helicopter models and requires compliance with Airbus Helicopters Alert Service Bulletins.

Aug 8, 2018
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters EC175Airbus Helicopters SA 330Airbus Helicopters AS 332Airbus Helicopters EC 225Airbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters AS 332 L2Airbus Helicopters EC 225 LPAirbus Helicopters AS 365 N3Airbus Helicopters EC175 B

EASA AD 2014-0236R1

Lights — Emergency Lighting Rotorcraft Flight Manual Amendment / Operational Procedure

EASA Airworthiness Directive 2014-0236R1 is an amendment addressing emergency lighting battery issues on Airbus Helicopters SA 365, AS 365, and EC 155 models. It applies to helicopters equipped with specific Cobham or Air Precision emergency lighting batteries and requires amendments to the Rotorcraft Flight Manual and operational procedures to ensure battery functionality. The directive aims to maintain emergency lighting operation for at least 10 minutes under critical conditions.

Jun 28, 2018
Airworthiness DirectiveFlight OpsMaintenanceSafety MgmtAirbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters SA 365

EASA AD 2018-0069

Navigation — Flight / Ground Logic — Modification

EASA Airworthiness Directive 2018-0069 is an airworthiness directive affecting Airbus Helicopters EC 155 B and EC 155 B1 models. It addresses a safety issue related to the Flight/Ground signal logic used by the Attitude Heading and Reference Systems (AHRS) on these helicopters. The directive mandates modifications to ensure independent Flight/Ground signal supply to each AHRS to prevent erroneous flight instrument indications.

Mar 26, 2018
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters EC 155 BAirbus Helicopters EC 155 B1

EASA AD 2012-0227R1

Tail Rotor — Tail Rotor Hub — Inspection / Replacement

EASA Airworthiness Directive 2012-0227R1 is a regulatory document addressing inspection and replacement requirements for the tail rotor hub on Airbus Helicopters EC 155, SA 365, and AS 365 models equipped with specific 10-blade and 11-blade tail rotor hubs. The directive mandates repetitive inspections and corrective actions to detect and replace cracked tail rotor hubs to prevent potential tail rotor jams and loss of helicopter control.

Mar 8, 2018
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters SA 365

EASA AD 2018-0052

SUPERSEDED BY EASA AD 2018-0263

EASA Airworthiness Directive 2018-0052 is an airworthiness directive applicable to Airbus Helicopters EC 155 B and B1 models. It addresses safety concerns related to the main gearbox (MGB) planet gear assemblies, specifically types Y and Z, which have been found susceptible to spalling and cracking. The directive mandates inspections and replacements to ensure continued airworthiness of affected helicopters.

Mar 2, 2018
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters EC 155 BAirbus Helicopters EC 155 B1

EASA AD 2017-0116R2

Time Limits / Maintenance Checks — Main Gearbox Magnetic Plugs — Inspection; Main Rotor Drive — Planet Gear Assemblies — Replacement

EASA Airworthiness Directive 2017-0116R2 is an update addressing maintenance and inspection requirements for Airbus Helicopters SA 365 and AS 365 models. It mandates repetitive inspections of the main gearbox magnetic plugs and replacement of certain planet gear assemblies in the main rotor drive to prevent failures. This directive applies to all serial numbers of SA 365 N, SA 365 N1, AS 365 N2, and AS 365 N3 helicopters.

Mar 2, 2018
Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters SAAirbus Helicopters AS 365Airbus Helicopters EC 155Airbus Helicopters SA 365