What was found
DURING C-CHECK INSPECTION, FOUND LT WING NR 3 SLAT INNER SURFACE CRACKS AT 4 PLACES. TRIMMED OUT CRACK AREA AND REMOVED SMALL NUMBER OF RIVETS TO FACILITATE REPAIR REQUIREMENTS AS PER SRM 51-40-01. FABRICATED REPAIR DOUBLER, TRIMMED TO SIZE, DEBUR, PRIMED AND TREATED IAW SRM 51-21-02. INSTALLED REPAIR PARTS IN POSITION IAW SRM 57-40-01. REPAIR CARRIED OUT IAW SRM 57-50-01. TOUCH UP PAINT CARRIED OUT IAW MM 20-51-00. FOUND DURING ACCOMPLISHMENT OF SCHEDULED C-CHECK AT GAMCO, INC. WORK CARD 57686, C-CHECK CARD 05-27-1000, NON-ROUTINE WORK CARD NR 1012.