New Ultrasonic Scans Required for Jet Cracks to Ensure Safety
Published Date: 2/10/2025
Rule
Summary
The FAA is making new rules for all MHI RJ Aviation ULC Model CL-600-2B19 planes to keep them safe. They found that some inspections might miss cracks, so now pilots and mechanics must do regular ultrasonic checks and use updated procedures. If cracks show up, they have to fix them right away to keep flying safe and sound.
Analyzed Economic Effects
3 provisions identified: 0 benefits, 3 costs, 0 mixed.
Mandatory Repetitive Ultrasonic Inspections
If you operate a MHI RJ Aviation ULC Model CL-600-2B19 (Regional Jet Series 100 & 440), the FAA now requires repetitive ultrasonic inspections of certain structural areas to check for cracking. These inspections must be carried out as specified in the airworthiness directive to address potential cracks that previous checks may have missed.
Required Repair of Any Detected Cracks
If cracking is found during the required inspections on Model CL-600-2B19 airplanes, the AD requires that the cracking be repaired. Operators must complete repairs to address the unsafe condition before continuing to operate affected structures.
Must Use Revised Inspection Procedures
The rule prohibits use of previous revisions of certain inspection procedures and requires use of the revised procedures when performing the airworthiness limitation (AWL) and structural deviation inspection requirement (SDIR) tasks. The FAA incorporates by reference the procedures specified in a Transport Canada airworthiness directive.
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