EASA Regulations for MHI RJ Aviation ULC CRJ900

EASA AD CF-2023-56

SUPERSEDED BY TCCA AD CF-2023-79

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.