As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE MAINTENANCE BASE VISIT FOUND THE CARGO DOOR LOWER SILL TO BE CORRODED. THE AIRCRAFT WAS REMOVED FROM SERVICE. BLENDED OUT CORROSION IAW EMB 145 51-103 AND DETERMINED TO BE WITHIN ALLOWABLE LIMITS IAW ETA-EM-5300-977. THE AIRCRAFT WAS RETURNED TO SERVICE.