As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING "C" CHECK FOUND CROSSBEAM FS 280.00 TO BE CORRODED. THE AIRCRAFT WAS REMOVED FROM SERVICE. INSTALLED NEW CROSSBEAM AT FS 280.00 IAW CRJ STRUCTUAL REPAIR MANUAL 51-42-06, 51-42-21,51-42-13 AND EO EO-CR-53MR-219. THE AIRCRAFT WAS RETURNED TO SERVICE.