As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE INSPECTION FOUND CORROSION AT SERVICE DOOR FORWARD SILL AROUND THE SCREW HOLES. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE SERVICE DOOR FORWARD SILL IAW EMB SRM 51-40-20. THE AIRCRAFT WAS RETURNED TO SERVICE.