Time Limits / Maintenance Checks — Airworthiness Limitations — Task Revisions
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AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Affected operators must incorporate the new and revised Airworthiness Limitation Items into the appropriate sections of the Maintenance Requirements Manual within 60 days from the effective date of July 5, 2023. They must then perform the updated tasks at the specified thresholds and repeat intervals or discard times. Compliance with later approved revisions or temporary revisions also satisfies this directive.
Summary
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.
What changed
This directive introduces two new Airworthiness Limitation Items and revises two existing ones in the Maintenance Requirements Manual CSP B-053, Revision 26, Part 2. The affected tasks include inspections of the rudder interface, outer wing access panels, slat #3 attachment, and the spigot of the inboard flap vane actuator. These updates reflect more restrictive inspection intervals based on recent damage tolerance analyses.
Why it matters
For operators and maintenance organizations, complying with these updated tasks is critical to detect potential structural failures early and maintain the aircraft's structural integrity. Failure to perform these inspections at the specified intervals could lead to undetected damage and compromise flight safety. Compliance teams must ensure maintenance manuals are updated and tasks are scheduled accordingly.
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New ADs and bulletins for MHI RJ Aviation CL-600 (Regional Jet) and RJ Aviation ULC CL-600-2E25, summarized like this page, every Monday.