EASA Regulations for Bombardier DHC-8-400

7 airworthiness directives and regulations affecting Bombardier DHC-8-400.

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New ADs and bulletins for Bombardier DHC-8-400, summarized like the ones below, every Monday.

EASA AD CF-2019-13

Apr 15, 2019

Fire Detection System - Contamination of the sensor contacts for Advanced Pneumatic Detectors (APD) System

The Canadian Airworthiness Directive CF-2019-13 addresses contamination issues in the sensor contacts of Advanced Pneumatic Detectors (APD) installed on Bombardier DHC-8-400 series aircraft, including models -400, -401, and -402. This directive applies to specific Kidde (UTAS) APD part numbers and serial numbers. It mandates inspection and potential replacement of affected APD units to ensure proper fire detection system functionality.

Airworthiness Directive

De Havilland Canada DHC-8
Bombardier DHC-8-400

EASA AD CF-2009-11R3

Feb 1, 2019

Failure of the Main Landing Gear Stabilizer Braces

Airworthiness Directive CF-2009-11R3 addresses the failure of the main landing gear stabilizer braces on Bombardier Inc. DHC-8-400, -401, and -402 aircraft, serial numbers 4001, 4003 and subsequent, equipped with main landing gear forward stabilizer brace part number 46401-7. This directive mandates inspections, corrective actions, and installation of an elbow restrictor to prevent potential collapse of the main landing gear due to fatigue cracks. The directive is issued by Transport Canada under Canadian Aviation Regulation 521.427.

Airworthiness Directive

De Havilland Canada DHC-8
Bombardier DHC-8-400

EASA AD CF-2011-24R1

Jan 28, 2019

Wings - Wing to Fuselage Attachment Joints - Barrel Nut Cracking

Airworthiness Directive CF-2011-24R1 addresses the issue of barrel nut cracking in the wing to fuselage attachment joints on Bombardier Inc. DHC-8-400, -401, and -402 aeroplanes, serial numbers 4001 through 4437. This directive mandates inspections and replacement of barrel nuts to prevent structural integrity compromise caused by hydrogen embrittlement. It introduces a design change involving new Inconel 718 barrel nuts and related hardware to enhance durability.

Airworthiness Directive

De Havilland Canada DHC-8
Bombardier DHC-8-400
Bombardier DHC-8-401
Bombardier DHC-8-402

EASA AD CF-2018-34

Dec 20, 2018

Flight Controls – Elevator Power Control Unit Bracket Cracking

Canadian Airworthiness Directive CF-2018-34 mandates inspections for elevator power control unit (PCU) bracket cracking on Bombardier DHC-8-400 series aircraft, specifically models -400, -401, and -402 with serial numbers 4001 through 4580. The directive addresses structural integrity concerns related to the elevator PCU brackets and elevator spars to prevent potential loss of pitch control. It requires a one-time inspection and reporting of findings, with replacement or repair as necessary.

Airworthiness DirectiveSuperseded

De Havilland Canada DHC-8
Bombardier DHC-8-400

EASA AD CF-2018-21R1

Oct 25, 2018

Wings — Cracked Spoiler Actuator Bracket

The Canadian Airworthiness Directive CF-2018-21R1 addresses cracked spoiler actuator brackets on Bombardier DHC-8-400 series aircraft, specifically models -400, -401, and -402 with serial numbers 4001 to 4547. This directive mandates inspections and replacement of the external spoiler actuator brackets to ensure continued airworthiness and safe operation. It provides detailed instructions for initial and periodic inspections as well as part replacements.

Airworthiness Directive

De Havilland Canada DHC-8
Bombardier DHC-8-400

EASA AD CF-2018-09

Mar 15, 2018

Furnishings — Forward Lavatory Door Hinge Flexing

Canadian Airworthiness Directive CF-2018-09 addresses the issue of forward lavatory door hinge flexing on Bombardier DHC-8-400, -401, and -402 aircraft models. This directive mandates modifications to the forward lavatory door hinge to ensure proper functioning of the cockpit door latch mechanism. The directive applies to aircraft with serial numbers listed in Bombardier Service Bulletins 84-25-130 Revision B and 84-25-131 Revision B.

Airworthiness Directive

De Havilland Canada DHC-8
Bombardier DHC-8-400
Bombardier DHC-8-401
Bombardier DHC-8-402

EASA AD CF-2017-35

Dec 1, 2017

Flight Controls - Power Lever Module — Introduction of Operational Check of Ground Spoiler Switches

Airworthiness Directive CF-2017-35 is issued by Transport Canada and applies to Bombardier Inc. DHC-8-400, -401, and -402 aircraft, serial numbers 4001 and subsequent. It introduces a new operational check for the ground spoiler switches in the power lever module to prevent uncommanded spoiler deployment during take-off. This directive aims to enhance flight safety by addressing a known issue with faulty switches that could cause runway excursions.

Airworthiness Directive

De Havilland Canada DHC-8
Bombardier DHC-8-400