What was found
DURING B INSPECTION FOUND THE SERVICE DOOR CENTER FLOOR SILL CORRODED. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE SERVICE DOOR CENTER FLOOR SILL IAW EMB SRM 51-40-02, CPM 51-21-04, CPM 51-21-05, CPM 51-21-06, AEA ETN-EM-51-016R2, ETN-EM-51-075 AND ETN-GN-51-091R2. THE AIRCRAFT WAS RETURNED TO SERVICE.