As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE BASE VISIT FOUND THE LEFT LOWER BULKHEAD WEB CORRODED. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED, FABRICATED AND INSTALLED SERVICEABLE LEFT LOWER BULKHEAD IAW CRJ 700 SRM 51-42-06, 51-42-13, 51-42-21, AND EO CR-53MR-174. THE AIRCRAFT WAS RETURNED TO SERVICE.