EASA Regulations for Airbus Helicopters MBB-BK117 D-2

19 airworthiness directives and regulations affecting Airbus Helicopters MBB-BK117 D-2.

EASA AD 2024-0131

Main Rotor — Control Rod Assembly / Pitch Link Assembly — Inspection

EASA Airworthiness Directive 2024-0131 is an airworthiness directive issued by the European Union Aviation Safety Agency concerning Airbus Helicopters Deutschland GmbH MBB-BK117 C-2 and D-2 helicopters. It mandates inspection of the main rotor control rod assembly and pitch link assembly, specifically parts with certain part numbers, to detect wear in spherical bearings that could affect rotor blade pitch and control.

Jul 8, 2024

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 C-2Airbus Helicopters MBB-BK117 D-2

EASA AD 2023-0213

Equipment / Furnishings — Hook Damper — Modification

EASA Airworthiness Directive 2023-0213 is an airworthiness directive addressing Airbus Helicopters Deutschland GmbH MBB-BK117 C-2, D-2, D-3, and D-3m helicopters. It focuses on the hook damper assemblies involving forged D-LOK and Slide-LOK hoist hooks and specific hook dampers and nuts. The directive mandates inspection and modification procedures to ensure safe operation of the affected hoist hook assemblies.

Dec 8, 2023

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 C-2Airbus Helicopters MBB-BK117 D-2Airbus Helicopters MBB-BK117 D-3Airbus Helicopters MBB-BK117 D-3m

EASA AD 2023-0175

ATA — Rotorcraft Flight Manual — Altitude Correction — Amendment ATA 21 — Air Conditioning — Cooling System — Modification

EASA Airworthiness Directive 2023-0175 is an amendment addressing altitude correction procedures and air conditioning system modifications for Airbus Helicopters Deutschland GmbH MBB-BK117 D-2, D-2m, D-3, and D-3m helicopters. The directive mandates changes to the Rotorcraft Flight Manual Supplement and replacement of specific condenser outlet grids with covers to correct airspeed and altitude indication errors. It applies to all serial numbers of the affected helicopter models.

Oct 5, 2023

Airworthiness DirectiveFlight OpsMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 D-2Airbus Helicopters MBB-BK117 D-2mAirbus Helicopters MBB-BK117 D-3Airbus Helicopters MBB-BK117 D-3m

EASA AD 2021-0289-E

Rotorcraft Flight Manual / Section 2 and 3 — Amendment

EASA Airworthiness Directive 2021-0289-E is an emergency directive addressing Airbus Helicopters Deutschland GmbH MBB-BK117 C-2, D-2, D3, and D-3m helicopters of all variants and serial numbers. It mandates amendments to the Rotorcraft Flight Manual (RFM) Sections 2 and 3 to incorporate temporary revisions related to the inlet barrier filter (IBF) system. The directive aims to mitigate engine flame out risks caused by partial icing of the IBF engine intakes during operations in falling snow.

Dec 23, 2021

Airworthiness DirectiveFlight OpsSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 C-2Airbus Helicopters MBB-BK117 D-2Airbus Helicopters MBB-BK117 D3Airbus Helicopters MBB-BK117 D-3m

EASA AD 2021-0160

Main Rotor System — Flex Control Unit Bearing Pin — Inspection / Modification

EASA Airworthiness Directive 2021-0160 is an airworthiness directive issued by the European Union Aviation Safety Agency concerning Airbus Helicopters Deutschland GmbH MBB-BK117 D-3 helicopters, including converted MBB-BK117 D-2 models. The directive addresses inspection and modification requirements for the main rotor system's flex control unit bearing pin to prevent potential unsafe conditions.

Jul 5, 2021

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 D-3Airbus Helicopters MBB-BK117 D-2

EASA AD 2019-0305R1

Wiring Harness — Cabin Wiring Harness — Inspection

EASA Airworthiness Directive 2019-0305R1 is an updated regulatory document addressing inspection requirements for the wiring harness behind the front passenger panels of Airbus Helicopters Deutschland GmbH MBB-BK117 D-2 helicopters. It mandates inspections and corrective actions to detect and resolve chafing and clearance issues in the cabin wiring harness to prevent potential in-flight hazards.

Jul 2, 2021

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 D-2

EASA AD 2021-0122

Time Limits / Maintenance Checks — Airworthiness Limitation Section — Tension Torsion Straps — Storage Life Limit

EASA Airworthiness Directive 2021-0122 addresses the storage life limits of Tension Torsion (TT) Straps installed on Airbus Helicopters Deutschland GmbH MBB-BK117 helicopter models including A-1, A-3, A-4, B-1, B-2, C-1, C-2, and D-2. The directive focuses on the ageing of elastomeric materials in Bendix and Lord TT-Straps, which may compromise structural integrity and helicopter control. It mandates compliance with storage life limits and removal of certain Bendix TT-Straps to ensure continued airworthiness.

May 6, 2021

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 A-1Airbus Helicopters MBB-BK117 A-3Airbus Helicopters MBB-BK117 A-4Airbus Helicopters MBB-BK117 B-1Airbus Helicopters MBB-BK117 B-2Airbus Helicopters MBB-BK117 C-1Airbus Helicopters MBB-BK117 C-2Airbus Helicopters MBB-BK117 D-2

EASA AD 2021-0116

Rotors Flight Control — Co-pilot Collective Lever Wire Harness — Inspection / Modification

EASA Airworthiness Directive 2021-0116 is an airworthiness directive affecting Airbus Helicopters Deutschland GmbH MBB-BK117 D-2 helicopters, specifically those with serial numbers up to 20340 inclusive. The directive addresses inspection and modification requirements for the co-pilot collective lever wire harness to prevent potential electrical short circuits caused by incorrect wire routing. This AD mandates inspections, corrective actions, and a modification to improve the wire harness support.

Apr 26, 2021

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 D-2

EASA AD 2021-0074

Rotors Flight Control — Collective Bellcrank — Inspection

EASA Airworthiness Directive 2021-0074 is an airworthiness directive addressing the inspection of the collective bellcrank on Airbus Helicopters Deutschland GmbH MBB-BK117 C-2 and D-2 helicopters. It applies to collective bellcrank parts with part numbers B670M7021101, B670M7021102, and D671M7008101. The directive mandates inspection and corrective actions to ensure proper installation and marking of the affected parts to maintain safe rotor flight control.

Mar 15, 2021

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 C-2Airbus Helicopters MBB-BK117 D-2

EASA AD 2020-0257

Rotors Flight Control — Main Rotor Actuator — Inspection

EASA Airworthiness Directive 2020-0257 is an airworthiness directive addressing the main rotor actuator (MRA) inspection on Airbus Helicopters Deutschland GmbH MBB-BK117 C-2 and D-2 helicopters. It mandates repetitive inspections of specific main rotor actuators with part numbers B673M30A1002 or D673M30A1003 to detect cracks or damage in the piston nuts. The directive aims to ensure continued safe flight control by preventing potential loss of helicopter control.

Nov 17, 2020

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 C-2Airbus Helicopters MBB-BK117 D-2

EASA AD 2020-0246

Wiring Harness — Lateral Control Rod Wiring — Inspection

EASA Airworthiness Directive 2020-0246 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters Deutschland GmbH MBB-BK117 D-2 helicopters, specifically all serial numbers up to 20334 inclusive except for a few listed exceptions. The directive mandates inspection of the wiring harness near the lateral control rod to detect chafing and clearance issues. It also requires updating the Aircraft Maintenance Programme to include ongoing inspection tasks.

Nov 10, 2020

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 D-2

EASA AD 2020-0084

Rotors Flight Control — Collective Lever Switch Unit — Inspection

EASA Airworthiness Directive 2020-0084 is an airworthiness directive issued for Airbus Helicopters Deutschland GmbH MBB-BK117 D-2 helicopters. It mandates inspection of the collective lever switch units identified by specific part numbers and serial numbers to ensure the retaining rings of the cable cut switch guard are present and secure. The directive addresses a potential safety issue related to inadvertent activation of the rescue hoist cable cut function.

Apr 3, 2020

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 D-2

EASA AD 2019-0275

Power Plant — Engine Mount Bushings — Inspection / Replacement

EASA Airworthiness Directive 2019-0275 is an official regulatory document addressing inspection and replacement requirements for engine mount bushings on Airbus Helicopters Deutschland GmbH MBB-BK117 D-2 helicopters. It applies to all serial numbers of this helicopter model and focuses on both elastomeric and metal engine mount bushings identified by specific part numbers. The directive mandates repetitive inspections and corrective actions to prevent potential engine mount failures.

Nov 7, 2019

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 D-2

EASA AD 2019-0258

Tail Rotor Drive — Titanium Bolts — Inspection / Replacement

EASA Airworthiness Directive 2019-0258 is an airworthiness directive addressing the inspection and replacement of titanium bolts, part number EN3740-060022F, installed on the tail rotor drive of Airbus Helicopters Deutschland GmbH MBB-BK117 D-2 helicopters. The directive requires a one-time inspection of these titanium bolts for potential defects due to improper heat treatment that could lead to hydrogen embrittlement. It applies to all serial numbers of the MBB-BK117 D-2 helicopter model.

Oct 18, 2019

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 D-2

EASA AD 2019-0208

Integrated Modular Avionics — Aircraft Management Computer Software — Update

EASA Airworthiness Directive 2019-0208 is an update concerning the Aircraft Management Computer software for Airbus Helicopters Deutschland GmbH MBB-BK117 D-2 helicopters. It addresses a software issue in the Integrated Modular Avionics system that caused erroneous low rotor RPM indications during One Engine Inoperative conditions. This directive applies to all serial numbers of the MBB-BK117 D-2 helicopter model.

Aug 22, 2019

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 D-2

EASA AD 2019-0198

Flight Controls — Wiring Harness — Modification

EASA Airworthiness Directive 2019-0198 is an airworthiness directive addressing wiring harness modifications for Airbus Helicopters Deutschland GmbH MBB-BK117 D-2 helicopters. It targets specific wire harness trim connector backshells with part number M85049/90-13W02 manufactured by AMPHENOL or of unknown manufacturer. The directive aims to prevent potential short circuits in yaw and pitch trim actuators that could lead to loss of helicopter control.

Aug 15, 2019

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 D-2

EASA AD 2019-0030

SUPERSEDED BY EASA AD 2019-0275

EASA Airworthiness Directive 2019-0030 is an airworthiness directive issued for Airbus Helicopters Deutschland GmbH MBB-BK117 D-2 helicopters. It addresses the inspection and replacement of engine mount bushings, specifically part number 105-60386, to prevent potential failure of engine mount front support pins. This directive mandates inspections and replacement with serviceable parts to ensure continued safe operation of affected helicopters.

Feb 13, 2019

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 D-2

EASA AD 2018-0283

SUPERSEDED BY EASA AD 2020-0257

EASA Airworthiness Directive 2018-0283 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters Deutschland GmbH MBB-BK117 C-2 and D-2 helicopters. It addresses a safety issue related to the main rotor actuator (MRA) parts with part numbers B673M30A1002 and D673M30A1003. The directive mandates inspection and reporting requirements to ensure continued safe operation of these helicopters.

Dec 20, 2018

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 C-2Airbus Helicopters MBB-BK117 D-2

EASA AD 2018-0230

SUPERSEDED BY EASA AD 2019-0208

EASA Airworthiness Directive 2018-0230 is an airworthiness directive issued for Airbus Helicopters Deutschland GmbH MBB-BK117 D-2 helicopters. It addresses issues related to the Aircraft Management Computer software versions V5.0.2 and earlier, focusing on the integrated modular avionics and autopilot cruise height mode. The directive mandates software updates and flight manual amendments to ensure safe helicopter operation.

Oct 23, 2018

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters MBB-BK 117Airbus Helicopters MBB-BK117 D-2