What was found
TYS, DURING A SCHEDULED INSPECTION THE SERVICE DOOR, FORWARD SILL WAS FOUND CORRODED. MAINTENANCE BLENDED THE AFFECTED AREA, PERFORMED DYE-PEN. INSPECTION, ALODINED AND PRIMED IAW-GST-1886/02. THE REPAIR WAS SATISFACTORY AND THE AIRCRAFT WILL BE RELEASED UPON COMPLETION OF INSPECTION.