What was found
ABI - DURING AN IMBV MAINTENANCE, FOUND CORROSION ON SERVICE DOOR CENTER SILL. REMOVED CORROSION BY BLENDING. PERFORMED NDT INSPECTION, NO DEFECTS NOTED. FABRICATED THREE REPAIR DOUBLERS. REPAIR DONE IAW EMB GST-1552/02M ITEM NR 4, AND STANDARD SRM PRACTICES. (M)