EASA Regulations for De Havilland Aircraft of Canada DHC-8-401

4 airworthiness directives and regulations affecting De Havilland Aircraft of Canada DHC-8-401.

EASA AD CF-2024-10

Flight Controls — Elevator Power Control Unit Bracket Cracks

Canadian Airworthiness Directive CF-2024-10 addresses cracks found in the elevator power control unit (PCU) brackets and elevator front spar on De Havilland Aircraft of Canada Limited model DHC-8-401 and DHC-8-402 aeroplanes, serial numbers 4001 and 4003 through 4580. The directive mandates inspections and corrective actions to prevent potential elevator jamming and loss of pitch control. It applies to specific parts including the horizontal stabilizer rear spar assembly P/N 85517044 and elevator structure assembly P/N 85527021.

Mar 8, 2024

Airworthiness DirectiveMaintenanceSafety MgmtDe Havilland Canada DHC-8De Havilland Aircraft of Canada DHC-8-401De Havilland Aircraft of Canada DHC-8-402

EASA AD CF-2022-63

Fuselage — Wing-to-Fuselage Joint — Moisture Ingress Between Front and Rear Spar Frame Segments

Canadian Airworthiness Directive CF-2022-63 addresses moisture ingress issues in the wing-to-fuselage joint of De Havilland Aircraft of Canada Limited DHC-8-401 and -402 aeroplanes, serial numbers 4001 and 4003 through 4624. The directive mandates inspections and retrofits to prevent corrosion and potential structural failure at the front and rear spar frame segments. This AD ensures continued airworthiness and safety of the affected aircraft models.

Nov 18, 2022

Airworthiness DirectiveMaintenanceSafety MgmtDe Havilland Canada DHC-8De Havilland Aircraft of Canada DHC-8-401De Havilland Aircraft of Canada DHC-8-402

EASA AD CF-2020-43

Landing Gear — Main Landing Gear Drag Strut — Longitudinal Cracking

Airworthiness Directive CF-2020-43 addresses longitudinal cracking in the main landing gear (MLG) drag strut assemblies, part number 46301-13, installed on De Havilland Aircraft of Canada Limited model DHC-8-400, DHC-8-401, and DHC-8-402 aeroplanes with serial numbers 4001, 4003, and subsequent. The directive mandates inspections and magnetic particle testing to detect cracks that could lead to landing gear failure. It also requires reporting inspection results to the manufacturer.

Oct 22, 2020

Airworthiness DirectiveMaintenanceSafety MgmtDe Havilland Canada DHC-8De Havilland Aircraft of Canada DHC-8-400De Havilland Aircraft of Canada DHC-8-401De Havilland Aircraft of Canada DHC-8-402

EASA AD CF-2020-28

Landing Gear — Nose Wheel Steering System — Un-Commanded Nose Wheel Deviation

Canadian Airworthiness Directive CF-2020-28 addresses the nose wheel steering system on De Havilland Aircraft of Canada Limited model DHC-8-401 and -402 aeroplanes, serial numbers 4001 and 4003 through 4608. This directive mandates modifications to prevent un-commanded nose wheel deviations that could lead to loss of directional control. It supersedes a previous directive issued in 2013.

Aug 28, 2020

Airworthiness DirectiveMaintenanceSafety MgmtDe Havilland Canada DHC-8De Havilland Aircraft of Canada DHC-8-401De Havilland Aircraft of Canada DHC-8-402