What was found
DURING C CHECK, FOUND LEFT WING L/E SKIN CRACKED ON INBOARD AILERON, AT STATION XA 480.000. PERFORMED MAJOR REPAIR IAW DC-8 SRM 57-8-1 FIG 1. REMOVED DAMAGED SKIN IAW DC-8 SRM 57-1-0 PAGE 1, DC-8 SRM 51-1-21. FAB`D NEW SKIN IAW DC-8 SRM 57-8-1 FIG 1 ITEM E. CLEANED, TREATED AND PRIMED AREA AND NEW SKIN INTERNAL SURFACE IAW DC-8 SRM 51-1-8B. APPLIED SEALANT TO FAYING SURFACES IAW DC-8 SRM 51-1-11. INSTALLED NEW SKIN IAW DC-8 SRM 51-1-21. PERFORMED BALANCE IAW DC-8 SRM 51-4-1 PAGES 1, 2. FOUND WITHIN TOLERANCE MOMENT 3328.3 IN LBS.