What was found
DURING ROUTINE C-CHECK INSPECTION FOUND LEFT HAND WING CENTER LEADING EDGE UPPER SKIN WITH NON STANDARD REPAIR FROM STATION XFS 360.250 TO STATION XFS 410.250. REMOVED EXISTING REPAIR IAW DC-8 SRM 51-1-20D. REMOVED DAMAGED AREA. FABRICATED REPAIR DOUBLER (AL 7075 T6 0.063) IAW DC-8 SRM 57-2-1 FIG 44 (SHEET 1-8), DC-8 SRM 57-3-3 FIG 5 (SHEET 1) ITEM A. CLEANED, TREATED AND PRIMED REPAIR AREA, AND REPAIR DOUBLER INTERNAL SURFACE IAW DC-8 SRM 51-1-8B. APPLIED SEALANT TO FAYING SURFACES IAW DC-8 SRM 51-1-11. INSTALLED REPAIR DOUBLER IAW DC-8 SRM 57-2-1 FIG 44 TR 57-102 (SHEET 1, 5, 6, 8) DC-8 SRM 51-1-21, DC-8 SRM 51-1-20D, DC-8 SRM 51-3-1.