What was found
(CAN) DURING INSPECTION, A SMALL CHIP OF PAINT FOUND ON RIGHT WING FRONT LUG PLATE OUTBOARD OF LUG ATTACH. CLOSER INSPECTION, UNCOVERED EVIDENCE OF STRESS CORROSION AND .1875 INCH FORE AND AFT CRACK ON THE PLATE EXTENDING .25 INCH VERTICALLY. LEFT WING FRONT LUG PLATE ON THE SAME AIRCRAFT WAS INSPECTED AND ALSO FOUND TO HAVE STRESS CORROSION HIDDEN UNDER PAINT. LEFT WING P/N C3W63-5 AND RIGHT WING P/N C3W63-6.