What was found
INSPECTION TYPE:C DURING C CHECK INSPECTION, FOUND AREA'S OF CORROSION ON INNER SKIN F/S 1050 TO 1350, LONGERON 31LT TO 31RT. REMOVED OUTER AND INNER SKIN F/S 1050 TO 1350 LONGERON 31LT TO 31RT. DRILLED, TREATED, PRIMED AND INSTALLED NEW INNER AND OUTER SKIN IAW DC8 SRM 53-1-0, 51-1-8, 51-1-20D, 51-1-21, 51-3-0.