As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE INSPECTION FOUND RIGHT OUTBOARD FORWARD SUPPORT ANGLE FOR AVIONICS COMPARTMENT SURROUND STRUCTURE CORRODED AT FS 364.00. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED RIGHT HAND OUTBOARD FORWARD INTERCOSTAL AT FS364 IAW CRJ SRM 51-42-21. THE AIRCRAFT WAS RETURNED TO SERVICE.