EASA Regulations for De Havilland Aircraft of Canada Limited DHC-8-400

3 airworthiness directives and regulations affecting De Havilland Aircraft of Canada Limited DHC-8-400.

EASA AD CF-2020-06R1

Standard Practices/Structures — Introduction of Barrel Nut Inspections

The Standard Practices/Structures — Introduction of Barrel Nut Inspections is a Canadian Airworthiness Directive CF-2020-06R1 issued by Transport Canada affecting all serial numbers of De Havilland Aircraft of Canada Limited DHC-8-100, DHC-8-200, DHC-8-300, and DHC-8-400 series aeroplanes. This directive mandates inspections of barrel nuts installed at multiple structural locations on these aircraft to detect and address cracking caused by corrosion. The inspections aim to maintain structural integrity and prevent potential loss of control of the aeroplane.

Jan 12, 2021

Airworthiness DirectiveMaintenanceSafety MgmtDe Havilland Canada DHC-8De Havilland Aircraft of Canada Limited DHC-8-100De Havilland Aircraft of Canada Limited DHC-8-200De Havilland Aircraft of Canada Limited DHC-8-300De Havilland Aircraft of Canada Limited DHC-8-400

EASA AD CF-2020-34

Flight Controls — Rudder Actuator Bracket — Cracked or Missing Nuts

Canadian Airworthiness Directive CF-2020-34 addresses a safety issue affecting De Havilland Aircraft of Canada Limited DHC-8 series aeroplanes, including models DHC-8-102 through DHC-8-315 and DHC-8-400 series. The directive mandates inspection of the rudder actuator bracket mounting nuts for cracks or missing nuts that could compromise the rudder control system. This AD aims to ensure continued safe flight operations by preventing potential loss of directional control.

Oct 7, 2020

EASA AD CF-2018-01R2

Landing Gear — Nose Landing Gear Drag Strut Lock Link Wear

The Airworthiness Directive CF-2018-01R2 addresses wear issues in the nose landing gear (NLG) drag strut lock link on De Havilland Aircraft of Canada Limited DHC-8-400, -401, and -402 models, serial numbers 4001 through 4585 and 4587. It mandates inspections and corrective actions to prevent NLG collapse caused by worn or loose bushings in the locking mechanism. This directive updates previous versions to clarify supersession and compliance requirements.

Dec 2, 2019

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