What was found
DURING A MAINTENANCE VISIT FOUND CORROSION, WING, L/E UPPER SURFACE FROM STA XFS 7.50 TO STA XFS 32.5. DAMAGE EXCEEDED LIMITS IAW DC-8 SRM. REMOVED DAMAGED, TREATED AREA IAW DC-8 SRM 51-1-8. FABRICATED AND INSTALLED DOUBLER IAW FAA APPROVED TENNESSEE TECHNICAL SERVICES DER ENGINEERING SKETCH NR EO 99-004 AND 8110-3 DATED 01/19/99. (CORROSION DAMAGE RECORDED IN EWA CORROSION PROGRAM).