RegNotify

EASA Regulations for De Havilland Canada DHC-8

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

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.

Oct 25, 2019
Airworthiness DirectiveMaintenanceSafety MgmtDe Havilland Canada DHC-8De 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.

Oct 1, 2019
Airworthiness DirectiveMaintenanceSafety MgmtDe Havilland Canada DHC-8De 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.

Aug 1, 2019
Airworthiness DirectiveMaintenanceSafety MgmtDe Havilland Canada DHC-8De Havilland DHC-8-400De Havilland DHC-8-401De 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.

Aug 1, 2019
Airworthiness DirectiveMaintenanceSafety MgmtDe Havilland Canada DHC-8De Havilland DHC-8-400De Havilland DHC-8-401De 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.

Apr 15, 2019
Airworthiness DirectiveMaintenanceSafety MgmtDe Havilland Canada DHC-8Bombardier 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.

Mar 1, 2019
Airworthiness DirectiveMaintenanceSafety MgmtDe Havilland Canada DHC-8Bombardier DHC-8-401Bombardier DHC-8-402

EASA AD 2018-0259R1

SUPERSEDED BY EASA AD 2021-0234

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.

Feb 7, 2019
Airworthiness DirectiveMaintenanceSafety MgmtAirbus A318Airbus A319Airbus A320Airbus A321Airbus A330Airbus A340ATR ATR42ATR ATR72Boeing 737Boeing 757Boeing 767Boeing 777Bombardier CL-600 (Challenger)De Havilland Canada DHC-8Fokker CRR-0185Fokker CRR-0186Fokker CRR-0190Fokker CRR-0210Fokker CRR-0241Fokker CRR-0265Fokker CRR-0300MHI RJ Aviation CL-600 (Regional Jet)Fokker F27Fokker F28Boeing 747Bombardier CL-600Bombardier 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.

Feb 1, 2019
Airworthiness DirectiveMaintenanceSafety MgmtDe Havilland Canada DHC-8Bombardier 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.

Jan 28, 2019
Airworthiness DirectiveMaintenanceSafety MgmtDe Havilland Canada DHC-8Bombardier DHC-8-400Bombardier DHC-8-401Bombardier DHC-8-402

EASA AD CF-2018-34

SUPERSEDED BY TCCA AD CF-2024-10

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.

Dec 20, 2018
Airworthiness DirectiveMaintenanceSafety MgmtDe Havilland Canada DHC-8Bombardier 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.

Nov 12, 2018
Airworthiness DirectiveMaintenanceSafety MgmtDe Havilland Canada DHC-8Bombardier DHC-8-102Bombardier DHC-8-103Bombardier DHC-8-106Bombardier DHC-8-201Bombardier DHC-8-202Bombardier DHC-8-301Bombardier DHC-8-311Bombardier DHC-8-314Bombardier 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.

Oct 25, 2018
Airworthiness DirectiveMaintenanceSafety MgmtDe Havilland Canada DHC-8Bombardier 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.

Mar 15, 2018
Airworthiness DirectiveMaintenanceSafety MgmtDe Havilland Canada DHC-8Bombardier DHC-8-400Bombardier DHC-8-401Bombardier 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.

Dec 1, 2017
Airworthiness DirectiveMaintenanceSafety MgmtDe Havilland Canada DHC-8Bombardier DHC-8-400