As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING 2C MAINTENANCE INSPECTION FOUND THE AFT LOWER FACE OF THE LEFT BULKHEAD HAS EVIDENCE OF CORROSION AT FS 280.00. THE AIRCRAFT WAS REMOVED FROM SERVICE. REPAIRED AFT LOWER FACE OF THE LEFT BULKHEAD IAW CRJ SRM 53-11-10. THE AIRCRAFT WAS RETURNED TO SERVICE.