EASA Regulations for Airbus Helicopters EC 175 B

40 airworthiness directives and regulations affecting Airbus Helicopters EC 175 B.

EASA AD 2021-0038

Jan 26, 2021

Time Limits / Maintenance Checks – Airworthiness Limitations Section / 04-10 Limitations and 04-20 Inspections – Amendment

EASA Airworthiness Directive 2021-0038 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting all Airbus Helicopters EC 175 B models. It mandates compliance with updated airworthiness limitations and maintenance tasks related to specific lead lag damper components and associated parts. The directive ensures continued airworthiness by requiring recalculation of flight hours and torque cycles and adherence to revised maintenance intervals.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B

EASA AD 2020-0269

Dec 7, 2020

Main Rotor – Damper Rod Ends – Inspection

EASA Airworthiness Directive 2020-0269 is an airworthiness directive issued for Airbus Helicopters EC 175 B models equipped with main rotor elastomeric damper rod ends having part numbers M622G40T1015 or M622G40T1016. The directive mandates repetitive inspections of these damper rod ends to detect cracks that could lead to loss of damping function and potential loss of helicopter control. It provides inspection instructions and corrective actions to ensure continued airworthiness.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B

EASA AD 2020-0180

Aug 13, 2020

Fuel — Fuel Tanks — Inspection / Replacement

EASA Airworthiness Directive 2020-0180 is an official regulation addressing fuel tank inspection and replacement for Airbus Helicopters EC 175 B models. It targets specific fuel tanks identified by part numbers and serial numbers due to a manufacturing non-conformity. The directive mandates inspection and potential replacement of affected fuel tanks to ensure continued airworthiness and safety.

Airworthiness Directive
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B

EASA AD 2020-0164

Jul 22, 2020

Fuselage — Pylon Skin — Inspection

EASA Airworthiness Directive 2020-0164 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters EC 175 B models with specific serial numbers 5018, 5023, 5026, and 5037. The directive mandates inspection of the tail rotor pylon right-hand side centre skin for potential damage to the honeycomb panel following retrofit installations. This inspection aims to ensure the structural integrity of the pylon and prevent possible safety hazards.

Airworthiness Directive
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B

EASA AD 2020-0134

Jun 15, 2020

Equipment / Furnishings — Electric Hoist Installation — Modification

EASA Airworthiness Directive 2020-0134 is an airworthiness directive issued for Airbus Helicopters EC 175 B models equipped with specific single or dual electric hoist and cargo hook part numbers. The directive addresses a safety issue related to the hoist/cargo hook load release button potentially causing inadvertent activation of the cable cut function. This AD mandates modifications to the wiring and replacement of certain control units to ensure safe operation.

Airworthiness Directive
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B

EASA AD 2020-0049

Mar 26, 2020

[Correction] Fuel System — Fuel Tank — Inspection/Replacement

EASA Airworthiness Directive 2020-0049 is a corrective directive addressing fuel system inspection and replacement requirements for Airbus Helicopters EC 175 B models. It mandates inspection and possible replacement of specific feeder tanks (P/N 509505-5 and 509506-5) to prevent uncommanded engine shutdowns caused by defective feeder tank connections. The directive applies to all serial numbers of the EC 175 B helicopter.

Airworthiness Directive
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B

EASA AD 2020-0042

Feb 28, 2020

Main Rotor Drive — Main Gearbox Top Sensor / Main Rotor Mast Lubrication System — Inspection

EASA Airworthiness Directive 2020-0042 is an airworthiness directive affecting all Airbus Helicopters EC 175 B models. It mandates inspections of the main gearbox top sensor and the main rotor mast lubrication system to detect foreign object debris that could cause mast bearing seizure and potential loss of helicopter control. The directive includes specific inspection procedures and corrective actions to ensure continued airworthiness.

Airworthiness Directive
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B

EASA AD 2020-0015

Jan 29, 2020

Fuel — Roll-over Valves — Replacement

EASA Airworthiness Directive 2020-0015 is an airworthiness directive issued for Airbus Helicopters EC 175 B models. It addresses a manufacturing non-conformity in roll-over valves with part number 510397-4 that may cause fuel leakage during an aircraft roll-over or hard landing. The directive mandates replacement of affected roll-over valves to prevent potential post-impact fires.

Airworthiness Directive
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B

EASA AD 2020-0004

Jan 9, 2020

Fuselage — Lower Fuselage Fuel Tank Structure and Equipment Electrical Connectors — Rework / Relocation

EASA Airworthiness Directive 2020-0004 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters EC 175 B models delivered before November 2017, except certain serial numbers and those with a specific modification. The directive addresses a non-conformity involving electrical connectors installed under the lower fuselage fuel tank structure. It mandates rework and relocation of these connectors to ensure continued airworthiness and safety.

Airworthiness Directive
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B

EASA AD 2019-0303

Dec 16, 2019

Landing Gear — Main Landing Gear — Inspection / Replacement

EASA Airworthiness Directive 2019-0303 is an airworthiness directive issued for Airbus Helicopters EC 175 B models. It addresses inspection and replacement requirements for specific left-hand and right-hand main landing gear shock absorbers identified by certain part and serial numbers. The directive aims to ensure continued airworthiness by mandating removal and replacement of affected parts to prevent landing gear failure.

Airworthiness Directive
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B

EASA AD 2019-0285

Nov 22, 2019

Time Limits / Maintenance checks – Airworthiness Limitations Section – Amendment

EASA Airworthiness Directive 2019-0285 is an airworthiness directive issued for Airbus Helicopters EC 175 B models. It mandates compliance with updated airworthiness limitations and maintenance tasks as specified in the Airbus Helicopters EC 175 B Airworthiness Limitations Section Revision 014. The directive addresses recalculation of service life limits and replacement of certain parts to ensure continued airworthiness.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B

EASA AD 2019-0268

Oct 29, 2019

Equipment and Furnishings — Emergency Locator Transmitter Sealing Gasket — Inspection / Installation

EASA Airworthiness Directive 2019-0268 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters EC 175 B models equipped with CPI 503 ADELT emergency locator transmitters (ELT) with part number 503-16-25. The directive addresses the inspection and installation of the ELT sealing gasket to prevent water ingress that could impair emergency transmission functionality.

Airworthiness Directive
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B

EASA AD 2019-0169

Jul 16, 2019

Main Rotor Drive – Main Gearbox Top Sensor / Main Rotor Mast Lubrication System – Inspection

EASA Airworthiness Directive 2019-0169 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting all Airbus Helicopters EC 175 B models. It addresses potential safety issues related to the main gearbox top sensor and main rotor mast lubrication system. The directive mandates inspections and corrective actions to prevent mast bearing seizure and possible loss of helicopter control.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B

EASA AD 2019-0009

Jan 22, 2019

Landing Gear – Nose Landing Gear A-Frame / Airframe Junctions – Inspection

EASA Airworthiness Directive 2019-0009 is an airworthiness directive issued for Airbus Helicopters EC 175 B models. It addresses the inspection and maintenance of the nose landing gear A-frame and airframe junctions, specifically focusing on nut retainers and trailing arm pins to prevent potential failures. This directive mandates repetitive inspections to ensure the integrity of these components and prevent landing gear separation.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B

EASA AD 2019-0003

Jan 11, 2019

Rotor Drive – Main Gearbox Top Sensor – Inspection

EASA Airworthiness Directive 2019-0003 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters EC 175 B models equipped with main gearboxes manufactured before 1 December 2018. The directive mandates inspections of the main gearbox top sensor to detect potential foreign object debris that could cause loss of lubrication and mast bearing seizure. This directive aims to ensure continued safe operation of the affected helicopters by requiring repetitive inspections and corrective actions as necessary.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B

EASA AD 2018-0236-E

Nov 2, 2018

Landing Gear – Emergency Flotation Unit – Inspection / Replacement; Rotorcraft Flight Manual / Master Minimum Equipment List – Temporary

EASA Airworthiness Directive 2018-0236-E is an emergency directive addressing Airbus Helicopters EC 175 B models equipped with specific Emergency Flotation Units (EFU) part numbers SE13876 and SE24251. It mandates inspection and possible replacement of the EFU due to a reported issue of unwanted inflation caused by contamination on the EFU's printed circuit board. The directive also requires temporary revisions to the Rotorcraft Flight Manual and Master Minimum Equipment List to prevent manual mode use of the flotation system.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B

EASA AD 2018-0190

Aug 31, 2018

Landing Gear - Nose Landing Gear A-Frame / Liner - Inspection

EASA Airworthiness Directive 2018-0190 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters EC 175 B models. It mandates inspection of the nose landing gear A-frame and liner assembly to ensure correct installation and presence of critical components. The directive aims to prevent potential nose landing gear failure during landing.

Airworthiness Directive
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B

EASA AD 2018-0177

Aug 21, 2018

Rotor Drive – Main Gearbox Magnetic Plugs – Inspection

EASA Airworthiness Directive 2018-0177 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters EC 175 B models. It mandates repetitive inspections of the main gearbox magnetic plugs to detect particle contamination that could indicate unsafe wear. The directive aims to enhance safety by reducing inspection intervals and updating acceptance criteria for particle assessment.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters EC175
  • Airbus Helicopters EC 175 B