What was found
DURING A MAINTENANCE VISIT FOUND CORROSION, LEFT WING, UPPER SURFACE (SKIN) CENTER L/E AT STA XFS 450.000 AT FRONT SPAR. DAMAGE EXCEEDED LIMITS IAW DC-8 SRM. REMOVED DAMAGED, TREATED AREA IAW DC-8 SRM 51-1-8. FABRICATED AND INSTALLED FILLER AND DOUBLER IAW DC8 SRM 57-2-1. (CORROSION DAMAGE RECORDED IN EWA CORROSION PROGRAM).