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EASA Regulations for De Havilland Canada DHC-8

58 airworthiness directives and regulations affecting De Havilland Canada DHC-8.

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.

Airworthiness Directive

De Havilland Canada DHC-8
De Havilland Aircraft of Canada DHC-8-401
De Havilland Aircraft of Canada DHC-8-402

EASA AD CF-2017-04R3

Fuel System — Corrosion and Wear of Hydraflow Couplings and Sleeves, Fuel Tube End Ferrules, and Fuel Component End Ferrules

Airworthiness Directive CF-2017-04R3 addresses corrosion and wear issues in Hydraflow fuel couplings, sleeves, fuel tube end ferrules, and fuel component end ferrules on De Havilland Aircraft of Canada Limited DHC-8-400, -401, and -402 aeroplanes, serial numbers 4001, 4003 and subsequent. The directive mandates inspections, repairs, replacements, and installation of improved fuel system components to mitigate the risk of lightning strike induced fuel tank ignition. It also requires maintenance schedule revisions to ensure ongoing compliance.

Airworthiness Directive

De Havilland Canada DHC-8
De Havilland Aircraft of Canada DHC-8-400

EASA AD CF-2020-01

Fuel System — Non-Conforming Installation of Electrical Bonding Jumpers

Canadian Airworthiness Directive CF-2020-01 addresses the non-conforming installation of electrical bonding jumpers on the fuel scavenge and vent lines of De Havilland Aircraft of Canada Limited models DHC-8-400, DHC-8-401, and DHC-8-402, serial numbers 4001, 4003, and subsequent. This directive mandates inspections and corrective actions to remove or modify these jumpers and brackets to prevent potential lightning strike induced fuel tank ignition. It also prohibits certain maintenance procedures that could lead to reinstallation of non-compliant bonding jumpers.

Airworthiness Directive

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

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.

Airworthiness Directive

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

EASA AD CF-2019-36

Stabilizers — Elevator Power Control Unit (PCU) Arm Fittings Insufficient Fillet Radius

Canadian Airworthiness Directive CF-2019-36 addresses issues with the elevator power control unit (PCU) arm fittings on De Havilland DHC-8-400 series aircraft, specifically models -400, -401, and -402 with serial numbers 4001 and subsequent. The directive identifies nonconforming fillet radii on certain PCU arm fittings that could lead to premature fatigue failure and potential loss of elevator control. It mandates inspections and replacements to ensure airworthiness and safety.

Airworthiness Directive

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

EASA AD CF-2017-05R2

Fuel System — Motive Flow Line Fouling, Motive Flow Line and Pressure Relief Line Broken P-Clamps, and Vent Line TeflonTM Sleeve Installation

The Canadian Airworthiness Directive CF-2017-05R2 titled 'Fuel System — Motive Flow Line Fouling, Motive Flow Line and Pressure Relief Line Broken P-Clamps, and Vent Line TeflonTM Sleeve Installation' applies to De Havilland DHC-8-400 series aircraft with serial numbers 4001, 4003, and subsequent. It addresses issues related to broken P-clamps on fuel system lines, interference causing wear on the motive flow line, and improper installation of Teflon sleeves on vent lines that could lead to fuel tank ignition risks during lightning strikes.

Airworthiness Directive

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

EASA AD CF-2010-30R2

Cracking of the Nacelle Attachment Fitting(s)

The Canadian Airworthiness Directive CF-2010-30R2 addresses cracking issues in the nacelle attachment fittings of De Havilland Aircraft of Canada Limited model DHC-8-400, -401, and -402 aeroplanes, serial numbers 4001 and subsequent. It mandates inspections and modifications to ensure structural integrity and safe landing operations. The directive applies to specific part numbers of nacelle attachment fittings and outlines inspection and replacement procedures.

Airworthiness Directive

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

EASA AD CF-2014-08R1

Doors — Translating Doors Loose Bolts

The Airworthiness Directive CF-2014-08R1 is issued by Transport Canada and applies to De Havilland Aircraft of Canada Limited model DHC-8-400, -401, and -402 aeroplanes with serial numbers 4001 through 4530. It addresses the issue of loose bolts in the translating door crank assemblies, which can prevent emergency exits from opening. This directive mandates inspections and modifications to ensure the secure retention of door crank assembly bolts on emergency and reclassified doors.

Airworthiness Directive

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

EASA AD CF-2019-13

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-2019-06

Fuselage — Non-Conforming Keel Tension Fittings and Stringer End Fittings

The Canadian Airworthiness Directive CF-2019-06 addresses non-conforming keel tension fittings and stringer end fittings on Bombardier Inc. DHC-8-401 and DHC-8-402 aircraft with specific serial numbers. This directive mandates inspections and eventual replacement of these fittings to ensure structural integrity of the fuselage. It applies to affected aircraft to prevent premature cracking and corrosion in critical fuselage joints.

Airworthiness Directive

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

EASA AD 2018-0259R1

Information Systems – Electronic Flight Bag Universal Serial Bus Receptacle – Modification

EASA Airworthiness Directive 2018-0259R1 is an updated directive addressing safety concerns related to USB receptacles installed in various aircraft including Fokker F27 and F28 models, Airbus A318 through A340 series, ATR42 and ATR72, Boeing 737 through 777, and Bombardier CL-600 and DHC-8 aircraft. The directive mandates modifications to the affected Lone Star Aviation USB receptacle part number LS03-05050-A to prevent overheating and smoke/fumes in the cockpit. It applies to aircraft with these USB receptacles installed via Fokker Services Supplemental Type Certificates, Service Bulletins, or minor modifications.

Airworthiness DirectiveSuperseded

Airbus A318
Airbus A319
Airbus A320
Airbus A321
Airbus A330
Airbus A340
ATR ATR42
ATR ATR72
Boeing 737
Boeing 757
Boeing 767
Boeing 777
Bombardier CL-600 (Challenger)
De Havilland Canada DHC-8
Fokker CRR-0185
Fokker CRR-0186
Fokker CRR-0190
Fokker CRR-0210
Fokker CRR-0241
Fokker CRR-0265
Fokker CRR-0300
MHI RJ Aviation CL-600 (Regional Jet)
Fokker F27
Fokker F28
Boeing 747
Bombardier CL-600
Bombardier DHC-8

EASA AD CF-2009-11R3

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

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

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-2018-30

Stabilizers - Elevator - Spring Tab - Mass Balance Hinge Arm Fracture

The Canadian Airworthiness Directive CF-2018-30 addresses a safety issue on Bombardier Inc. DHC-8 series aeroplanes, models -102, -103, -106, -201, -202, -301, -311, -314, and -315, serial numbers 003 through 672. It mandates inspection and corrective actions related to the elevator spring tab mass balance hinge arm to prevent fractures that could lead to loss of the spring tab balance weight. This directive aims to ensure continued airworthiness and flight safety by addressing potential flutter risks.

Airworthiness Directive

De Havilland Canada DHC-8
Bombardier DHC-8-102
Bombardier DHC-8-103
Bombardier DHC-8-106
Bombardier DHC-8-201
Bombardier DHC-8-202
Bombardier DHC-8-301
Bombardier DHC-8-311
Bombardier DHC-8-314
Bombardier DHC-8-315

EASA AD CF-2018-21R1

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

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

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