As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C CHECK INSPECTION, FOUND CROSSBEAM AT FS280.00 TO BE CORRODED. THE AIRCRAFT WAS REMOVED FROM SERVICE. REPAIRED FS280.00 CROSSBEAM IAW BOMBARDIER STRUCTURAL REPAIR MANUAL 51-42-06, 51-42-11 AND 51-42-21. THE AIRCRAFT RETURN TO SERVICE