EASA Regulations for Bell Textron Canada Limited 407

4 airworthiness directives and regulations affecting Bell Textron Canada Limited 407.

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New ADs and bulletins for Bell Textron Canada Limited 407, summarized like the ones below, every Monday.

EASA AD CF-2024-18

May 30, 2024

Rotors Flight Control — Cyclic Stick Tube Cracking

Canadian Airworthiness Directive CF-2024-18 addresses cracking in the cyclic stick tube assembly on Bell Textron Canada Limited model 407 helicopters with specific serial numbers and part numbers 206-001-342-101 or 206-001-342-101FM. The directive mandates revisions to the Interior and Prestart Check procedures and requires inspections and corrective actions to detect and repair or replace cracked cyclic stick tubes. This AD aims to prevent in-flight failure of the cyclic stick tube and potential loss of helicopter control.

Airworthiness Directive
  • Bell 407
  • Bell Textron Canada Limited 407

EASA AD CF-2023-63

Aug 18, 2023

Tail Rotor Blade — Missing Adhesive between Upper Skin and Core

Canadian Airworthiness Directive CF-2023-63 is an emergency directive addressing Bell Textron Canada Limited model 407 helicopters with specific serial numbers. It mandates inspection and possible replacement of tail rotor blades, part number 406-016-100-119, due to missing adhesive between the upper skin and core. This issue can cause severe vibration and potential tail rotor failure.

Airworthiness Directive
  • Bell 407
  • Bell Textron Canada Limited 407

EASA AD CF-2022-68

Dec 16, 2022

Fuselage – Tailboom – Loss of Tailboom Attachment Hardware

Canadian Airworthiness Directive CF-2022-68 addresses safety concerns for Bell Textron Canada Limited model 407 helicopters, specifically serial numbers 53000 through 56304. This directive mandates inspections and torque checks of the tailboom attachment hardware to prevent potential loss of tailboom attachment and consequent loss of helicopter control. The directive follows findings from a National Transportation Safety Board investigation into missing tailboom attachment hardware.

Airworthiness DirectiveSuperseded
  • Bell 407
  • Bell Textron Canada Limited 407

EASA AD CF-2021-34

Nov 4, 2021

Fuselage — Tailboom — Lower Skin Cracking

Canadian Airworthiness Directive CF-2021-34 addresses a structural issue involving lower skin cracking on the tailboom of Bell Textron Canada Limited model 407 helicopters, specifically serial numbers 53000 through 53900, 53911 through 54166, 54300 and subsequent. The directive mandates inspections and maintenance actions to detect and correct fatigue cracks near the horizontal stabilizer cutout to ensure continued airworthiness. This AD is issued under Canadian Aviation Regulation 521.427 and applies to affected Bell 407 helicopters.

Airworthiness Directive
  • Bell 407
  • Bell Textron Canada Limited 407