What was found
DURING C-CHECK INSPECTION, FOUND LT WING CENTER OF LEADING EDGE CRACKED AT SCREW HOLE (LOWER SURFACE) STA XFS 520. *S/D* REMOVED DAMAGED AREA, FABRICATED AND INSTALLED REPAIR DOUBLER AND FILLER, IAW FAA DER APPROVED ENGINEERING SKETCH D02-R12, AND TREATED AREA IAW DC-8 SRM 51-1-8.