EASA Regulations for Airbus Helicopters EC155

5 airworthiness directives and regulations affecting Airbus Helicopters EC155.

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New ADs and bulletins for Airbus Helicopters EC155, summarized like the ones below, every Monday.

EASA AD 2022-0220

Nov 16, 2022

Equipment / Furnishings — Main Rotor Flight Controls / Shear-Button Safety-Cap — Operational Check

EASA Airworthiness Directive 2022-0220 is an airworthiness directive issued by the European Union Aviation Safety Agency addressing the operational check of the main rotor flight controls' hoist shear-button safety-cap on Airbus Helicopters models AS 355, AS 365, SA 365, EC 155, AS 332, and EC 225 LP. The directive targets helicopters equipped with hoist provisions and focuses on ensuring the proper functioning of the safety-cap spring to prevent inadvertent activation of the hoist shear-button. It applies to specific collective pitch handles identified by part numbers listed in the directive.

Airworthiness Directive
  • Airbus Helicopters AS 355
  • 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 AS355
  • Airbus Helicopters AS365
  • Airbus Helicopters SA365
  • Airbus Helicopters EC155
  • Airbus Helicopters AS332
  • Airbus Helicopters EC225

EASA AD 2007-0256-CN

May 11, 2021

CANCELLED: PACIFIC SCIENTIFIC COMPANY — Seat Restraint System Plastic Rotary Buckle Handle — Inspection / Replacement

EASA Airworthiness Directive Cancellation Notice 2007-0256-CN cancels the previous EASA AD 2007-0256 concerning Pacific Scientific Company seat restraint system plastic rotary buckle handles. The affected parts include Pacific Scientific rotary buckles with part numbers 1111430-XX and 1111475-XX, manufactured between November 2004 and May 2007, installed on TSO-C114 approved restraint systems used on Airbus Helicopters AS 350, AS 355, EC120, EC130, and EC155 models. This cancellation aligns with FAA AD 2021-07-13 and reflects that the original compliance period has expired for rotorcraft in EASA states.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters AS 355
  • Airbus Helicopters EC120
  • Airbus Helicopters EC130
  • Airbus Helicopters EC155

EASA AD 2019-0267R1

Nov 13, 2019

Tail Rotor – Double Bearing – Inspection / Replacement

EASA Airworthiness Directive 2019-0267R1 is an update addressing the inspection and replacement requirements for the double bearing installed on the tail rotor gearbox of Airbus Helicopters SA 365, AS 365, and EC155 models. This directive applies to all serial numbers of these helicopter types and focuses on preventing loss of yaw control due to bearing degradation. It mandates repetitive inspections of the tail rotor gearbox chip detector and timely replacement of affected double bearings.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters SA
  • Airbus Helicopters AS 365
  • Airbus Helicopters EC 155
  • Airbus Helicopters SA 365
  • Airbus Helicopters EC155

EASA AD 2019-0184

Jul 29, 2019

Rotors Flight Control — Main Rotor Servo Actuators — Inspection

EASA Airworthiness Directive 2019-0184 is an airworthiness directive addressing the inspection of main rotor servo actuators on Airbus Helicopters models SA 365, AS 365, EC155, AS 350, EC 130, and AS355. The directive targets specific part numbers of main rotor servo actuators to ensure the correct installation of the threaded-shouldered bushing to prevent potential loss of helicopter control.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355
  • Airbus Helicopters SA
  • Airbus Helicopters AS 365
  • Airbus Helicopters EC 155
  • Airbus Helicopters SA 365
  • Airbus Helicopters EC155
  • Airbus Helicopters AS355

EASA AD 2018-0176

Aug 21, 2018

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.

Airworthiness Directive
  • Airbus Helicopters SA
  • Airbus Helicopters AS 365
  • Airbus Helicopters EC 155
  • Airbus Helicopters SA 365
  • Airbus Helicopters EC155