EASA Regulations for Bell Helicopter Textron Canada 429

Tail Rotor Drive — Tail Rotor Gearbox — Introduction of Attachment Hardware Recurring Torque Check

Airworthiness Directive CF-2018-35 is issued by Transport Canada and applies to Bell Helicopter Textron Canada Limited model 429 helicopters, serial number 57001 and subsequent. This directive mandates recurring torque checks of the tail rotor gearbox attachment hardware to ensure continued airworthiness and safety. The directive addresses potential loosening of the tail rotor gearbox that could lead to structural damage and loss of helicopter control.