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 AND RIGHT COCKPIT BULKHEAD WEBS CORRODED. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE LEFT AND RIGHT COCKPIT LOWER BULKHEAD WEBS IAW EO#CR-53MR-174. THE AIRCRAFT WAS RETURNED TO SERVICE.