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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).

EASA AD CF-2024-24

Superseded by TCCA AD CF-2025-38

Canadian Airworthiness Directive CF-2024-24 addresses missing or loose bolts in the anti-yaw mounting block of the horizontal stabilizer on Mitsubishi Heavy Industries RJ Aviation ULC aircraft, specifically models CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25 within certain serial number ranges. The directive mandates inspections and eventual replacement of these bolts to ensure structural integrity and flight safety.

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-2023-79

Equipment / Furnishings — Overhead Storage Compartments — Improvement of the Overhead Bin Harnesses over the Class Divider

The Canadian Airworthiness Directive CF-2023-79 addresses the improvement of overhead bin harnesses above class dividers on Mitsubishi Heavy Industries RJ Aviation ULC aircraft, specifically Bombardier CRJ models CL-600-2C10, CL-600-2D15, and CL-600-2D24 with specified serial numbers. It mandates inspections and modifications to prevent electrical harness damage in overhead storage compartments that could affect critical passenger systems. This directive updates and revises the applicability of the previous directive CF-2023-56.

Airworthiness Directive

MHI RJ Aviation CL-600 (Regional Jet)
Mitsubishi Heavy Industries Bombardier CRJ

EASA AD CF-2023-76

Electrical Power — Air Driven Generator (ADG) — Locking Cam Screw and Cam Nut Assembly Production Installation Deficiency

The Electrical Power — Air Driven Generator (ADG) — Locking Cam Screw and Cam Nut Assembly Production Installation Deficiency is a Canadian Airworthiness Directive (CF-2023-76) issued by Transport Canada. It applies to Mitsubishi Heavy Industries RJ Aviation ULC (MHIRJ) CL-600-2D15 and CL-600-2D24 aircraft with serial numbers 15476 to 15499. The directive addresses a production installation defect involving the locking cam screw and cam nut assembly of the ADG mechanism.

Airworthiness Directive

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

EASA AD CF-2023-75

Oxygen — Crew Oxygen System — Oxygen Fitting Production Installation Deficiency

Canadian Airworthiness Directive CF-2023-75 addresses a production installation deficiency in the crew oxygen system fittings on MHI RJ Aviation ULC model CL-600-2D15 and CL-600-2D24 aircraft, serial numbers 15476 through 15499. The directive mandates replacement of certain oxygen line bulkhead fittings and fitting adapters due to over-torque installation during production. This ensures the integrity of the oxygen system and prevents potential oxygen leakage affecting flight crew safety.

Airworthiness Directive

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

EASA AD CF-2023-74

Fuselage — Non-Destructive Testing Manual — Revision of Calibration Standards for Ultrasonic Inspection Procedures

Airworthiness Directive CF-2023-74 is issued by Transport Canada and applies to all serial numbers of the MHI RJ Aviation ULC model CL-600-2B19 aeroplanes. This directive addresses revisions to the Non-Destructive Testing Manual Part 4 Ultrasonic Inspection Procedures for fuselage inspections. It mandates updated calibration standards to improve crack detection during structural inspections.

Airworthiness Directive

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

EASA AD CF-2023-62R1

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 the Contiguous United States of America Airspace

Airworthiness Directive CF-2023-62R1 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 the Contiguous United States of America Airspace' addresses interference issues affecting MHI RJ Aviation ULC aeroplanes, specifically models CL-600-2B19, CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25 when operating in contiguous U.S. airspace. The directive mandates installation of a radio frequency bandpass filter on radio altimeters to mitigate 5G C-Band interference risks. This directive is issued by Transport Canada Civil Aviation to ensure continued safe flight and landing operations.

Airworthiness Directive

MHI RJ Aviation CL-600 (Regional Jet)
MHI RJ Aviation ULC CL-600-2B19
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-2023-71

Equipment/Furnishings — Storage Compartment — Potential failure of Overhead Bins Attachments

Canadian Airworthiness Directive CF-2023-71 addresses a potential failure in the overhead bin attachments on MHI RJ Aviation ULC model CL-600-2B19 aircraft. The directive applies to specific serial numbers of this aircraft type and mandates modifications to the overhead storage compartments to ensure safety during emergency landing conditions. This directive aims to prevent overhead bins from detaching and causing injury or obstructing emergency exits.

Airworthiness Directive

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

EASA SIB CASA-2023-03

Safety Valve — Opening During Normal Operation and Ingestion of Insulation Blankets

The Transport Canada Civil Aviation Safety Alert CASA 2023-03 addresses issues related to the safety valve (SFV) on MHI RJ Aviation CRJ 550/700/701/702/705/900 aeroplanes. It highlights problems with the inadvertent opening of the SFV during normal operation due to positive pressure mechanism drift and insulation blanket ingress causing valve sticking. The alert informs operators and maintainers about updated parts and maintenance procedures to mitigate these issues.

Safety Information Bulletin

MHI RJ Aviation CL-600 (Regional Jet)

EASA AD CF-2023-56

Equipment/Furnishings – Overhead Storage Compartments – Improvement of the Overhead Bin Harnesses Over the Class Divider

Canadian Airworthiness Directive CF-2023-56 mandates inspections and improvements to the overhead bin electrical harnesses above the class divider on MHI RJ Aviation ULC (formerly Bombardier Inc.) CRJ900 series aircraft, specifically models CL-600-2C10, CL-600-2D15, and CL-600-2D24 with specified serial numbers. The directive addresses potential damage risks to electrical harnesses that could affect critical aircraft systems such as emergency lighting, passenger oxygen, and air conditioning. This directive is issued under Canadian Aviation Regulation 521.427.

Airworthiness DirectiveSuperseded

MHI RJ Aviation CL-600 (Regional Jet)
MHI RJ Aviation ULC CRJ900

EASA AD CF-2023-43

Time Limits / Maintenance Checks — Airworthiness Limitations — Task Revisions

Canadian Airworthiness Directive CF-2023-43 is issued for MHI RJ Aviation ULC model CL-600-2E25 aircraft. It mandates revisions to the Maintenance Requirements Manual Part 2, specifically updating Airworthiness Limitation Items related to structural inspections and safe life components. These changes ensure continued airworthiness by addressing new damage tolerance findings.

Airworthiness Directive

MHI RJ Aviation CL-600 (Regional Jet)
MHI RJ Aviation ULC CL-600-2E25

EASA AD CF-2023-41

Fuselage — Keel Beam Cut-Out Reinforcement — Unclear Airworthiness Limitation Task Effectivity

Canadian Airworthiness Directive CF-2023-41 addresses the unclear effectivity of the Airworthiness Limitation (AWL) task number 53-41-180 related to the fuselage keel beam cut-out reinforcement on Mitsubishi Heavy Industries RJ Aviation ULC model CL-600-2B19 aircraft, serial numbers 7946 through 8113. This directive clarifies maintenance requirements to ensure structural integrity of these aircraft. Operators must update their Maintenance Requirements Manual accordingly and perform the revised inspection task at specified intervals.

Airworthiness Directive

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

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.

Airworthiness Directive

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-0146
Fokker CRR-0185
Fokker CRR-0186
Fokker CRR-0190
Fokker CRR-0206
Fokker CRR-0210
Fokker CRR-0241
Fokker CRR-0265
Fokker CRR-0290
Fokker CRR-0300
Fokker CRR-0309
MHI RJ Aviation CL-600 (Regional Jet)
Fokker F27
Fokker F28
Boeing 747
Bombardier CL-600

EASA AD CF-2023-19

Pneumatic – 14th Stage Bleed Duct Missing Insulation

Canadian Airworthiness Directive CF-2023-19 addresses missing insulation on the 14th stage bleed ducts of Mitsubishi Heavy Industries RJ Aviation ULC model CL-600-2B19 aircraft. This directive mandates inspections of the engine pylon structure and introduces a new certification maintenance requirement to ensure the integrity of the bleed duct insulation. The AD applies to all serial numbers of the CL-600-2B19 model.

Airworthiness DirectiveSuperseded

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

EASA AD CF-2023-10

Equipment / Furnishings — Passenger Seats — Y-belts Installed Incorrectly

Canadian Airworthiness Directive CF-2023-10 addresses the incorrect installation of Y-belts (lap belts) on passenger seats 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 inspection and correction of Y-belt installations to ensure passenger safety. This issue originated from errors in the Aircraft Maintenance Manual instructions that have since been corrected.

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 SIB CASA-2022-05

Circuit Breaker Panels — Inadequate Torque on Mounting Hardware

Transport Canada Civil Aviation Safety Alert CASA 2022-05 is a safety alert addressing inadequate torque on mounting hardware of circuit breaker panels #1 and #2 in Mitsubishi Heavy Industries RJ Aviation CRJ 550/700/701/702/705/900/1000 aeroplanes. The alert highlights issues with improper assembly and torque values on circuit breaker bar connections and bus bar connections that have led to in-flight system failures and increased crew workload.

Safety Information Bulletin

MHI RJ Aviation CL-600 (Regional Jet)

EASA AD CF-2022-54R1

Fuselage — Forward Engine Support Frame Fuselage Station 1051.30 — Inspection

Airworthiness Directive CF-2022-54R1 addresses inspection requirements for the forward engine support frame at fuselage station 1051.30 on MHI RJ Aviation ULC aircraft models CL-600-2C10, CL-600-2C11, CL-600-2D15, and CL-600-2D24. It mandates improved inspection procedures for tombstone fittings part numbers MM670-36153/36154 and MM690-36153/36154 to detect cracks that could compromise engine attachment. This directive updates previous inspection protocols to enhance safety and compliance.

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

EASA AD CF-2022-56

Landing Gear — Main Landing Gear Retract Actuator Piston Rod — Safe Life Limitation Introduction

Airworthiness Directive CF-2022-56 is issued by Transport Canada and applies to all serial numbers of the MHI RJ Aviation ULC model CL-600-2E25 aircraft. It introduces a safe life limitation for the main landing gear retract actuator piston rod, part number 55615-1, to ensure continued airworthiness and prevent potential landing gear failures. This directive mandates updates to the Maintenance Requirements Manual to include this limitation and periodic replacement of the affected piston rod.

Airworthiness Directive

MHI RJ Aviation CL-600 (Regional Jet)
MHI RJ Aviation ULC CL-600-2E25

EASA AD CF-2022-42

Fire Protection — Lavatory Smoke Detector — Operational Check of the Lavatory Smoke Detector

The Canadian Airworthiness Directive CF-2022-42 addresses fire protection by mandating operational checks of lavatory smoke detectors on MHI RJ Aviation ULC model CL-600-2B19, CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25 aircraft. This directive updates maintenance requirements to replace daily flight crew testing with maintenance-performed operational checks. It aims to ensure timely detection of smoke or fire in lavatories by revising inspection intervals and procedures.

Airworthiness Directive

MHI RJ Aviation CL-600 (Regional Jet)
MHI RJ Aviation ULC CL-600-2B19
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-2022-43

Fire Protection — Visual Check of the Engine and Auxiliary Power Unit Fire Extinguishing Bottle Pressure Gauges — Airworthiness Limitations Implementation

Canadian Airworthiness Directive CF-2022-43 mandates enhanced fire protection checks for MHI 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. The directive requires visual inspections of engine and Auxiliary Power Unit (APU) fire extinguishing bottle pressure gauges to ensure fire suppression capability. This directive implements new airworthiness limitations to maintain safety standards.

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-2021-32R1

Oxygen — Third Crew Member Oxygen Mask — Introduction of Chafing Protection for Flex Hose and Rerouting of Electrical Harness

Canadian Airworthiness Directive CF-2021-32R1 addresses safety concerns on MHI RJ Aviation ULC model CL-600-2B19 aircraft related to the third crew member oxygen mask. It mandates the introduction of chafing protection for the oxygen supply flex hose and rerouting of the electrical harness to prevent potential oxygen-fed fires in the observer's oxygen mask stowage compartment. This directive updates and supersedes the previous AD CF-2021-32.

Airworthiness Directive

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