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.