What was found
DURING A MAINTENANCE VISIT FOUND CORROSION DAMAGE TO LEFT WING, LEADING EDGE, UPPER SURFACE SKIN BETWEEN XFS=20 TO XFS=38.750. DAMAGE EXCEEDED LIMITATIONS IAW DC-8 SRM. REMOVED DAMAGE, TREATED AREA IAW DC-8 SRM 51-1-8. FABRICATED AND INSTALLED REPAIR DOUBLER IAW FAA APPROVED DER ENGINEERING SKETCH EO-99-109.