EASA Regulations for Bombardier CL-600 (Challenger)

46 airworthiness directives and regulations affecting Bombardier CL-600 (Challenger).

EASA AD CF-2025-51R1

Flight Controls — Uncommanded and Unarrested Flap Movement

Canadian Airworthiness Directive CF-2025-51R1 addresses uncommanded and unarrested flap movement issues on Bombardier Inc. CL-600-1A11, CL-600-2A12, and CL-600-2B16 aircraft models. This directive mandates functional tests and introduces life limits for flap extension and retraction relays to prevent flap control failures. It aims to enhance flight safety by mitigating risks of flap malfunctions that could lead to loss of aircraft control.

Dec 2, 2025

Airworthiness DirectiveMaintenanceSafety MgmtBombardier CL-600 (Challenger)

EASA AD CF-2025-36

Fuselage, Stabilizers, Wings, Exhaust System

Canadian Airworthiness Directive CF-2025-36 addresses structural inspections for Bombardier Inc. model CL-600-2B16 aircraft, serial numbers 5301 through 5665. This directive mandates detailed inspections of the fuselage, stabilizers, wings, and exhaust system components to detect cracks that could lead to structural failure. The inspections involve specific non-destructive testing procedures outlined in the CH 604 Non-Destructive Testing Manual.

Jul 9, 2025

Airworthiness DirectiveMaintenanceSafety MgmtBombardier CL-600 (Challenger)

EASA AD CF-2025-06

Auxiliary Power Unit (APU) — APU Muffler Drainage Blockage Causing Fuel Leakage Accumulation

The Canadian Airworthiness Directive CF-2025-06 addresses an issue with the Auxiliary Power Unit (APU) muffler drainage blockage causing fuel leakage accumulation on Bombardier Inc. CL-600-2A12 and CL-600-2B16 aircraft models. This directive mandates inspections and functional tests of the APU exhaust muffler drainage system to prevent fuel accumulation and potential fire hazards. It applies to all serial numbers of the affected Bombardier Challenger aircraft variants.

Jan 27, 2025

Airworthiness DirectiveMaintenanceSafety MgmtBombardier CL-600 (Challenger)

EASA AD CF-2025-05

Landing Gear — Uncommanded Steering

The Canadian Airworthiness Directive CF-2025-05 addresses uncommanded steering issues in the landing gear of Bombardier Inc. Challenger aircraft models CL-600-1A11, CL-600-2A12, and CL-600-2B16 with specified serial numbers. This directive mandates periodic functional testing of the transfer valve in the nose landing gear steering system to prevent unintended directional changes during landing. The directive applies to multiple variants of the Challenger 600 series aircraft.

Jan 27, 2025

Airworthiness DirectiveMaintenanceSafety MgmtBombardier CL-600 (Challenger)

EASA AD CF-2024-47

Fuselage, Stabilizers, Wings - Lower Wing Plank at the Rear Spar WS 59 to WS 65 Web and/or Flange / VSTAB Front Spar to Frame Attachment Fittings Lower Legs FS 755.00 / Pressure Bulkhead Web between LBL 9 and RBL 9 at FS 409 - Inspections

The Airworthiness Directive CF-2024-47 issued by Transport Canada mandates inspections and potential repairs for Bombardier Inc. model CL-600-2B16 aircraft, serial numbers 5301 through 5665. The directive addresses cracks found in critical structural areas including the lower wing plank at the rear spar, vertical stabilizer front spar to frame attachment fittings, and the pressure bulkhead web between specific buttock lines. This directive ensures continued airworthiness by requiring detailed ultrasonic and eddy current inspections.

Jan 6, 2025

Airworthiness DirectiveMaintenanceSafety MgmtBombardier CL-600 (Challenger)

EASA AD CF-2024-31R1

Flight Controls — Flap System On-Board Recorder (FSOBR) effects on Flap Control Unit

Airworthiness Directive CF-2024-31R1 is issued by Transport Canada concerning Bombardier Inc. model CL-600-2B16 aeroplanes, including Challenger 604, 605, and 650 variants. The directive addresses issues related to the Flap System On-Board Recorder (FSOBR) and its effects on the Flap Control Unit, which can cause flap failures and potential loss of control. It mandates corrective actions to disconnect the FSOBR and prohibits its future installation on these aircraft.

Dec 17, 2024

Airworthiness DirectiveMaintenanceSafety MgmtBombardier CL-600 (Challenger)

EASA AD CF-2024-39

Flight Controls — Uncommanded and Unarrested Flap Movement

Canadian Airworthiness Directive CF-2024-39 addresses the issue of uncommanded and unarrested flap movement in Bombardier Inc. model CL-600-1A11, CL-600-2A12, and CL-600-2B16 aeroplanes. This directive mandates updates to the Aircraft Flight Manual (AFM) to provide flight crews with specific procedures to follow if such flap movements occur. The directive aims to enhance flight safety by mitigating risks associated with flap control system failures.

Dec 3, 2024

Airworthiness DirectiveFlight OpsSafety MgmtBombardier CL-600 (Challenger)

EASA SIB CASA-2024-12

Electrical Shock Hazard

The Electrical Shock Hazard Safety Alert CASA 2024-12 is a Transport Canada Civil Aviation safety alert addressing a potential electrocution risk during maintenance of the potable water tank on Bombardier Inc. CL-600-2B16 Challenger 605 aircraft. This alert specifically affects Challenger 605 aircraft with serial numbers ranging from 5752 to 5988. It highlights incidents where maintenance personnel received electric shocks from exposed electrical connections on the baggage compartment heater thermostat.

Nov 22, 2024

Safety Information BulletinMaintenanceSafety MgmtBombardier CL-600 (Challenger)

EASA AD CF-2024-12R1

Landing Gear — Uncommanded Steering Due to Nosewheel Steering Potentiometer Universal Coupling Setscrew Failure

The Canadian Airworthiness Directive CF-2024-12R1 addresses uncommanded steering issues caused by failure of the nosewheel steering potentiometer universal coupling setscrews on Bombardier CL-600-1A11, CL-600-2A12, and CL-600-2B16 aircraft models. This directive mandates replacement of the coupling setscrews and updates maintenance procedures to prevent runway excursions due to steering malfunctions. It applies to all serial numbers of the affected Bombardier Challenger aircraft.

Aug 21, 2024

Airworthiness DirectiveMaintenanceSafety MgmtBombardier CL-600 (Challenger)Bombardier Challenger CL-600-1A11Bombardier Challenger CL-600-2A12Bombardier Challenger CL-600-2B16

EASA AD CF-2024-19

Flight Controls — Pitch-up on Landing When Using Thrust Reversers in Partial Flap Configurations

Canadian Airworthiness Directive CF-2024-19 addresses a pitch-up issue on landing when using thrust reversers in partial flap configurations for Bombardier Inc. aircraft models CL-600-1A11, CL-600-2A12, and CL-600-2B16. The directive mandates revisions to the Aircraft Flight Manual (AFM) procedures to mitigate the risk of tail strikes during landing. This AD applies to specific serial number ranges of these Challenger series aircraft.

Jun 7, 2024

Airworthiness DirectiveFlight OpsSafety MgmtBombardier CL-600 (Challenger)Bombardier CL-600-1A11Bombardier CL-600-2A12Bombardier CL-600-2B16

EASA AD CF-2024-16

Time Limits/Maintenance Checks — Airworthiness Limitations

Canadian Airworthiness Directive CF-2024-16 addresses time limits and maintenance checks related to airworthiness limitations for Bombardier Inc. model CL-600-1A11, CL-600-2A12, and CL-600-2B16 aeroplanes, including Challenger 600, 601, 604, 605, and 650 series. This directive mandates compliance with updated or more restrictive maintenance tasks as defined in the Bombardier Time Limits/Maintenance Checks (TLMC) publications approved by Transport Canada Civil Aviation. It ensures continued airworthiness by enforcing mandatory maintenance actions and inspections.

May 24, 2024

Airworthiness DirectiveMaintenanceSafety MgmtBombardier CL-600 (Challenger)Bombardier CL-600-1A11Bombardier CL-600-2A12Bombardier CL-600-2B16

EASA AD CF-2024-09

Oxygen System — Insufficient Accessibility to the Portable Oxygen Bottle

Canadian Airworthiness Directive CF-2024-09 addresses insufficient accessibility to portable oxygen bottles on Bombardier Inc. aeroplanes, specifically models CL-600-1A11, CL-600-2A12, and CL-600-2B16 equipped with Scott (Avox/Zodiac) 5500 or 5600 series 11 cubic foot portable oxygen bottles with certain upper bracket part numbers. The directive ensures that portable oxygen bottles can be easily removed in emergencies by flight attendants. It applies to specific serial numbers of these aircraft models.

Mar 1, 2024

Airworthiness DirectiveMaintenanceSafety MgmtBombardier CL-600 (Challenger)Bombardier CL-600-1A11Bombardier CL-600-2A12Bombardier CL-600-2B16

EASA SIB CASA-2023-02

Missing Portable Protective Breathing Equipment in the Forward Area of the Aeroplane

Transport Canada Civil Aviation Safety Alert CASA 2023-02 addresses the absence of portable Protective Breathing Equipment (PBE) in the forward area of Bombardier Inc Model CL-600-2B16 aeroplanes. The alert highlights the importance of having properly marked portable PBEs installed to protect crew members during in-flight fire emergencies. It clarifies potential misinterpretations of breathing equipment and provides guidance to ensure compliance with regulatory requirements.

Aug 7, 2023

Safety Information BulletinSafety MgmtBombardier CL-600 (Challenger)

EASA AD CF-2023-55

Fuel — Fouling Condition between Fuel Scupper Attachment Bolt and Wire Harness

Canadian Airworthiness Directive CF-2023-55 addresses a fuel system safety issue on Bombardier Inc. CL-600-2B16 aircraft, specifically serial numbers 5775 through 5990 and 6050 through 6178. The directive requires inspection and potential repair of electrical wires near the fuel scupper attachment bolts to prevent sparking during refueling. This AD aims to eliminate fire hazards caused by electrical sparks generated from wire insulation damage due to contact with fuel scupper bolts.

Jul 25, 2023

Airworthiness DirectiveMaintenanceSafety MgmtBombardier CL-600 (Challenger)Bombardier CL-600-2B16

EASA AD CF-2023-14R1

Landing Gear — Nose Wheel Steering System — Electronic Control Module Filter Plate Connector Failure

Airworthiness Directive CF-2023-14R1 addresses the failure risk of the electronic control module (ECM) filter plate connector in the nose wheel steering system of Bombardier CL-600-2B16 aircraft, specifically models Challenger 604, 605, and 650 with certain serial numbers. The directive mandates verification, inspection, and replacement of affected ECMs to prevent un-commanded steering or runway excursions. It applies to ECM part number 601-86100-27 installed on aircraft serial numbers 5301 through 5665, 5701 through 5990, and 6050 and subsequent.

May 15, 2023

Airworthiness DirectiveMaintenanceSafety MgmtBombardier CL-600 (Challenger)Bombardier Challenger 604Bombardier Challenger 605Bombardier Challenger 650

EASA AD 2021-0234R1

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

EASA Airworthiness Directive 2021-0234R1 is a regulatory update addressing the modification of Electronic Flight Bag (EFB) Universal Serial Bus (USB) receptacles installed on various aircraft including Fokker F27 and F28 models, Airbus A318 through A340 series, ATR42 and ATR72, Boeing 737 through 777 models, Bombardier CL-600 series, and De Havilland Canada DHC-8 aircraft. The directive mandates modifications to affected USB receptacles to prevent overheating and potential smoke or fumes in the cockpit. This AD applies to specific manufacturer serial numbers as detailed in the directive's appendix.

May 11, 2023

Airworthiness DirectiveMaintenanceSafety MgmtAirbus A318Airbus A319Airbus A320Airbus A321Airbus A330Airbus A340ATR ATR42ATR ATR72Boeing 737Boeing 757Boeing 767Boeing 777Bombardier CL-600 (Challenger)De Havilland Canada DHC-8Fokker CRR-0146Fokker CRR-0185Fokker CRR-0186Fokker CRR-0190Fokker CRR-0206Fokker CRR-0210Fokker CRR-0241Fokker CRR-0265Fokker CRR-0290Fokker CRR-0300Fokker CRR-0309MHI RJ Aviation CL-600 (Regional Jet)Fokker F27Fokker F28Boeing 747Bombardier CL-600

EASA AD CF-2023-32

Landing Gear — Main Landing Gear Shock Strut Lower Pin Cracking

Canadian Airworthiness Directive CF-2023-32 addresses cracking issues in the main landing gear shock strut lower pin, part number 19146-3, on Bombardier Inc. CL-600-2B16 aircraft with specified serial numbers. The directive mandates inspections, lubrication, and a modification involving replacement of trailing arm bushings and installation of new dynamic joint components. This AD applies to CL-604, CL-605, and CL-650 variants of the CL-600-2B16 series.

May 10, 2023

Airworthiness DirectiveMaintenanceSafety MgmtBombardier CL-600 (Challenger)Bombardier CL-600-2B16Bombardier CL-604Bombardier CL-605Bombardier CL-650

EASA AD CF-2023-21

Oxygen — Portable Protective Breathing Equipment (PBE) — Missing PBE in the Forward Area of the Aeroplane

Airworthiness Directive CF-2023-21 addresses the absence of Portable Protective Breathing Equipment (PBE) in the forward area of certain Bombardier Inc. CL-600-2B16 aircraft. This directive mandates inspection and installation of PBE devices marked with Technical Standard Order (TSO) C116 or C116a if missing. The affected aircraft are specific serial numbers of the Bombardier CL-600-2B16 model.

Apr 3, 2023

Airworthiness DirectiveMaintenanceSafety MgmtBombardier CL-600 (Challenger)Bombardier CL-600-2B16

EASA AD CF-2023-07

SUPERSEDED BY TCCA AD CF-2025-51

Canadian Airworthiness Directive CF-2023-07 addresses an uncommanded flap extension issue affecting Bombardier Inc. CL-600-1A11, CL-600-2A12, and CL-600-2B16 aircraft across all serial numbers. The directive mandates operational testing of the flap control system to verify the functionality of retract relays following an incident involving unexpected flap movement during climb. This AD aims to ensure continued safe operation of these Challenger series aircraft.

Feb 15, 2023

Airworthiness DirectiveMaintenanceSafety MgmtBombardier CL-600 (Challenger)Bombardier Challenger 600-1A11Bombardier Challenger 600-2A12Bombardier Challenger 600-2B16

EASA AD CF-2023-06

Oxygen System — Passenger Oxygen Mask Lanyard Improper Sleeve Loop Crimping and/or Ends not Sealed

Canadian Airworthiness Directive CF-2023-06 addresses issues with the passenger oxygen mask lanyard assemblies on Bombardier Inc. model CL-600-2B16 aircraft, specifically serial numbers 5702 through 5988. The directive identifies improper sleeve loop crimping and unsealed ends on certain oxygen mask lanyards that could prevent oxygen flow during emergencies. It mandates inspection and, if necessary, replacement of affected lanyards to ensure passenger safety.

Feb 13, 2023

Airworthiness DirectiveMaintenanceSafety MgmtBombardier CL-600 (Challenger)Bombardier CL-600-2B16