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EASA Regulations for MHI RJ Aviation CL-600 (Regional Jet)

84 airworthiness directives and regulations affecting MHI RJ Aviation CL-600 (Regional Jet).

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New ADs and bulletins for MHI RJ Aviation CL-600 (Regional Jet), summarized like the ones below, every Monday.

EASA AD CF-2026-48

Pneumatic – 10th and 14th Stage Bleed Duct Damaged or Missing Insulation

The Canadian Airworthiness Directive CF-2026-48 addresses missing or damaged insulation on the 10th and 14th stage bleed air ducts of Mitsubishi Heavy Industries RJ Aviation ULC (formerly Bombardier Inc.) CL-600-2B19 aircraft. This directive mandates updated inspection and maintenance procedures to prevent structural integrity loss in the engine pylons caused by heat radiation from uninsulated bleed ducts.

Airworthiness Directive

MHI RJ Aviation CL-600 (Regional Jet)
MHI RJ Aviation CL-600-2B19 (RJ 100)
MHI RJ Aviation CL-600-2B19 (RJ 440)
Mitsubishi Heavy Industries RJ Aviation ULC CL-600-2B19

EASA AD CF-2026-43

Ice and Rain Protection – Wing Anti-Ice – Aircraft Flight Manual Procedure Anomaly - Amendment

Canadian Airworthiness Directive CF-2026-43 addresses an anomaly in the Aircraft Flight Manual (AFM) procedures related to wing anti-ice protection for MHI RJ Aviation ULC model CL-600-2B19 aircraft. The directive mandates amendments to the emergency and abnormal procedures sections of the AFM to correct misleading instructions during wing overheat events and icing conditions. This ensures proper guidance for flight crews to maintain safe flight and landing operations.

Airworthiness Directive

MHI RJ Aviation CL-600 (Regional Jet)
MHI RJ Aviation ULC CL-600-2B19

EASA AD CF-2026-09R2

Ice and Rain Protection – Engine Cowl Anti-Ice – Ejector Pipe Chafing

Airworthiness Directive CF-2026-09R2 addresses ice and rain protection issues related to engine cowl anti-ice ejector pipe chafing on MHI RJ Aviation ULC model CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25 aircraft. This directive mandates inspections and potential replacement of the ejector pipe and seal to prevent ice accumulation and engine shutdown. It applies to all serial numbers of the affected aircraft models.

Airworthiness Directive

MHI RJ Aviation CL-600 (Regional Jet)
MHI RJ Aviation ULC CL-600-2C10
MHI RJ Aviation ULC CL-600-2C11
MHI RJ Aviation ULC CL-600-2D15
MHI RJ Aviation ULC CL-600-2D24
MHI RJ Aviation ULC CL-600-2E25

EASA AD CF-2026-09R1

Ice and Rain Protection – Engine Cowl Anti-Ice – Ejector Pipe Chafing

The Canadian Airworthiness Directive CF-2026-09R1 addresses ice and rain protection specifically concerning engine cowl anti-ice systems on MHI RJ Aviation ULC aircraft models CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25. It mandates inspections and potential replacements of the reactive exhaust pipe and sealing joint to prevent damage caused by chafing, which could lead to ice accumulation, engine ingestion of ice, and engine shutdown.

Airworthiness Directive

MHI RJ Aviation CL-600 (Regional Jet)
MHI RJ Aviation ULC CL-600-2C10
MHI RJ Aviation ULC CL-600-2C11
MHI RJ Aviation ULC CL-600-2D15
MHI RJ Aviation ULC CL-600-2D24
MHI RJ Aviation ULC CL-600-2E25

EASA AD CF-2026-07R1

Ice and Rain Protection – Engine Cowl Anti-Ice – Ejector Pipe Chafing

The Canadian Airworthiness Directive CF-2026-07R1 titled 'Ice and Rain Protection – Engine Cowl Anti-Ice – Ejector Pipe Chafing' applies to all serial numbers of the MHI RJ Aviation ULC model CL-600-2B19 aircraft. It addresses chafing damage to the engine cowl anti-ice ejector pipe and seal, which can lead to system degradation, ice accumulation, and potential engine shutdown. The directive mandates inspections and corrective actions to ensure continued airworthiness.

Airworthiness Directive

MHI RJ Aviation CL-600 (Regional Jet)
MHI RJ Aviation ULC CL-600-2B19

EASA AD CF-2026-25

Indicating/Recording System – Misleading Caution Messages Posted on Engine Indicating and Crew Alerting System during Air Driven Generator Deployment

Canadian Airworthiness Directive CF-2026-25 addresses misleading caution messages displayed on the Engine Indicating and Crew Alerting System (EICAS) during Air Driven Generator (ADG) deployment in MHI RJ Aviation ULC aircraft models CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25. The directive mandates updates to the Aircraft Flight Manual (AFM) to correct message logic and clarify procedures during emergency power conditions.

Airworthiness Directive

MHI RJ Aviation CL-600 (Regional Jet)
MHI RJ Aviation ULC CL-600-2C10
MHI RJ Aviation ULC CL-600-2C11
MHI RJ Aviation ULC CL-600-2D15
MHI RJ Aviation ULC CL-600-2D24
MHI RJ Aviation ULC CL-600-2E25

EASA AD CF-2026-09

Ice and Rain Protection — Engine Cowl Anti-Ice — Ejector Pipe Chafing

EASA Airworthiness Directive CF-2026-09 addresses ice and rain protection issues related to engine cowl anti-ice ejector pipe chafing on MHI RJ Aviation ULC model CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25 aircraft. The directive mandates inspections and potential replacement of the ejector pipe and seal to prevent ice accumulation and engine shutdown. It applies to all serial numbers of the affected aircraft models.

Airworthiness Directive

MHI RJ Aviation CL-600 (Regional Jet)

EASA AD CF-2026-07

Ice and Rain Protection — Engine Cowl Anti-Ice — Ejector Pipe Chafing

EASA Airworthiness Directive CF-2026-07 addresses ice and rain protection issues related to engine cowl anti-ice ejector pipe chafing on MHI RJ Aviation ULC model CL-600-2B19 aircraft. The directive mandates inspections and possible replacement of the ejector pipe and seal to prevent system degradation and engine shutdown. It applies to all serial numbers of the specified aircraft model.

Airworthiness Directive

MHI RJ Aviation CL-600 (Regional Jet)

EASA AD CF-2025-70

Flight Controls — Elevator and Rudder Power Control Units (PCUs) Rod End Fractures

EASA Airworthiness Directive CF-2025-70 addresses rod end fractures in the elevator and rudder Power Control Units (PCUs) on MHI RJ Aviation ULC models CL-600-2B19, CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25 aircraft. The directive mandates operational checks and inspections to detect potential PCU disconnects that could lead to loss of control surface function or inadequate flutter suppression. It applies to all serial numbers of the affected aircraft models.

Airworthiness Directive

MHI RJ Aviation CL-600 (Regional Jet)

EASA AD CF-2025-65

Pneumatic — 10th and 14th Stage Bleed Duct Damaged or Missing Insulation

The Canadian Airworthiness Directive CF-2025-65 addresses damaged or missing insulation on the 10th and 14th stage bleed ducts of MHI RJ Aviation ULC model CL-600-2B19 aircraft. This directive mandates inspections and maintenance requirements to ensure the structural integrity of engine pylons by preventing heat damage from uninsulated bleed ducts. It applies to all serial numbers of the specified aircraft model.

Airworthiness Directive

MHI RJ Aviation CL-600 (Regional Jet)

EASA AD CF-2025-63

Flight Controls — Elevator Control System — Autopilot Control Cable Failure

Canadian Airworthiness Directive CF-2025-63 addresses a critical issue in the flight controls of MHI RJ Aviation ULC model CL-600 series aircraft, including CL-600-2B19, CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25. The directive focuses on the elevator control system, specifically the failure of the autopilot control cable. It mandates corrective actions to ensure continued safe flight and landing by preventing elevator control restrictions caused by cable failure.

Airworthiness Directive

MHI RJ Aviation CL-600 (Regional Jet)

EASA AD CF-2025-38

Horizontal Stabilizer (H-Stab) — Anti Yaw Steady Fitting Block — Missing or Loose Bolts

Canadian Airworthiness Directive CF-2025-38 addresses missing or loose bolts on the horizontal stabilizer (H-Stab) anti-yaw steady fitting block in MHI RJ Aviation ULC aircraft models CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25 within specified serial number ranges. The directive mandates inspections and torque checks of the fitting block bolts to ensure they are secure until replacement hardware with secondary locking features is installed. This AD aims to prevent potential loss of the horizontal stabilizer due to bolt failure under certain loading conditions.

Airworthiness Directive

MHI RJ Aviation CL-600 (Regional Jet)

EASA AD CF-2025-31

Navigation — Radio Altimeter System — Introduction of a Radio Frequency Filter to Decrease Risk of Interference from 5G C-Band Wireless Telecommunication Service on the Radio Altimeter System When Operating in Canada

Airworthiness Directive CF-2025-31 titled 'Navigation — Radio Altimeter System — Introduction of a Radio Frequency Filter to Decrease Risk of Interference from 5G C-Band Wireless Telecommunication Service on the Radio Altimeter System When Operating in Canada' mandates modifications for MHI RJ Aviation ULC aeroplanes, including models CL-600-2B19, CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25. The directive addresses potential interference risks to radio altimeters caused by 5G C-Band wireless telecommunication services in Canada. It requires installation of radio frequency filters on radio altimeters to mitigate these risks.

Airworthiness Directive

MHI RJ Aviation CL-600 (Regional Jet)

EASA AD CF-2025-26

Time Limits/Maintenance Checks — Airworthiness Limitations (ALI) — New/Revised Tasks

Canadian Airworthiness Directive CF-2025-26 addresses new and revised Airworthiness Limitations (ALI) tasks for MHI RJ Aviation ULC aeroplanes, specifically models CL-600-2C10, CL-600-2C11, CL-600-2D15, and CL-600-2D24. This directive mandates compliance with updated maintenance requirements related to structural inspections and safe life components. The directive aims to ensure continued airworthiness by enforcing stricter inspection intervals and tasks.

Airworthiness Directive

MHI RJ Aviation CL-600 (Regional Jet)

EASA SIB CASA-2025-01

Cockpit Displays - Cooling Air Filter - Non-compliance to Flammability Requirements

Transport Canada Civil Aviation Safety Alert CASA 2025-01 addresses a non-compliance issue related to the flammability testing of the cockpit displays cooling air filter Part Number 601R96761-1 installed on MHI RJ Aviation (MHIRJ) CL-600 series aeroplanes. The affected aircraft models include CL-600-2B19, CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25. This alert informs operators and maintenance personnel about the issue and provides guidance on the correct replacement filters and maintenance procedures.

Safety Information Bulletin

MHI RJ Aviation CL-600 (Regional Jet)

EASA AD CF-2024-41

Time Limits/Maintenance Checks — Airworthiness Limitations (ALI)

Canadian Airworthiness Directive CF-2024-41 addresses time limits and maintenance checks related to Airworthiness Limitations (ALI) for Mitsubishi Heavy Industries RJ Aviation ULC (formerly Bombardier Inc.) Regional Jet models CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25. This directive mandates compliance with updated ALI tasks as defined in the MHIRJ Maintenance Requirements Manual CSP B-053 Part 2, revision 27. The directive ensures continued airworthiness by enforcing mandatory maintenance actions approved by Transport Canada.

Airworthiness Directive

MHI RJ Aviation CL-600 (Regional Jet)

EASA SIB CASA-2024-11

Localizer Tracking Anomaly

Transport Canada Civil Aviation Safety Alert CASA 2024-11 addresses a localizer tracking anomaly affecting MHI RJ Aviation ULC CRJ series aircraft, including CRJ100/200/440, Challenger 850, and CRJ550/700/701/702/705/900/1000 models. The alert highlights an issue where aircraft autopilots fail to complete planned turns to capture the localizer, causing overshoot of the localizer centerline during approaches, which can lead to missed approaches or the need for ATC vectors. This problem is known across all CRJ models and is more prevalent on long runways with narrower localizer beams, especially in urban areas with newer or updated localizer antennas.

Safety Information Bulletin

MHI RJ Aviation CL-600 (Regional Jet)

EASA AD CF-2024-35

Communication — Cockpit Voice Recorder (CVR) — Impact Switch Found Installed in Wrong Direction

Canadian Airworthiness Directive CF-2024-35 addresses an issue with the Cockpit Voice Recorder (CVR) impact switch installed in the wrong direction on Mitsubishi Heavy Industries RJ Aviation ULC (MHIRJ) aircraft models CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25. The directive mandates inspection and correction of the inertia switch installation to ensure proper orientation. This affects all serial numbers of the specified aircraft models.

Airworthiness Directive

MHI RJ Aviation CL-600 (Regional Jet)
Mitsubishi Heavy Industries RJ Aviation ULC CL-600-2C10
Mitsubishi Heavy Industries RJ Aviation ULC CL-600-2C11
Mitsubishi Heavy Industries RJ Aviation ULC CL-600-2D15
Mitsubishi Heavy Industries RJ Aviation ULC CL-600-2D24
Mitsubishi Heavy Industries RJ Aviation ULC CL-600-2E25

EASA AD CF-2022-66R1

Fire Protection — Inspection and Replacement of Defective Cargo Fire Extinguisher Containers

The Canadian Airworthiness Directive CF-2022-66R1 addresses fire protection concerns related to the inspection and replacement of defective cargo fire extinguisher containers on MHI RJ Aviation ULC model CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25 aircraft. It mandates inspection of serial numbers of high rate of discharge (HRD) and low rate of discharge (LRD) cargo fire extinguisher containers and replacement of affected units to ensure proper fire suppression capabilities. This directive updates previous requirements to reflect new identification markings on modified containers.

Airworthiness Directive

MHI RJ Aviation CL-600 (Regional Jet)
MHI RJ Aviation ULC CL-600-2C10
MHI RJ Aviation ULC CL-600-2C11
MHI RJ Aviation ULC CL-600-2D15
MHI RJ Aviation ULC CL-600-2D24
MHI RJ Aviation ULC CL-600-2E25

EASA AD CF-2024-25

Flight Controls - Horizontal Stabilizer Trim Actuator (HSTA) - Rubber Bull Gear (RBG) Wheel Abnormal Wear

The Canadian Airworthiness Directive CF-2024-25 addresses abnormal wear of the Rubber Bull Gear (RBG) wheel in the Horizontal Stabilizer Trim Actuator (HSTA) on Mitsubishi Heavy Industries RJ Aviation ULC model CL-600 series aircraft, including CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25. This directive mandates inspection and replacement of affected RBG wheels to prevent failure of the horizontal stabilizer trim system. The AD applies to all serial numbers of the specified aircraft models.

Airworthiness Directive

MHI RJ Aviation CL-600 (Regional Jet)
Mitsubishi Heavy Industries RJ Aviation ULC CL-600-2C10
Mitsubishi Heavy Industries RJ Aviation ULC CL-600-2C11
Mitsubishi Heavy Industries RJ Aviation ULC CL-600-2D15
Mitsubishi Heavy Industries RJ Aviation ULC CL-600-2D24
Mitsubishi Heavy Industries RJ Aviation ULC CL-600-2E25