What was found
DURING A MAINTENANCE VISIT FOUND CORROSION DAMAGE TO THE LT WING OTBD L/E UPPER SKIN AT STA XW 761 TO XFS 878, DAMAGE EXCEEDED LIMITATIONS IAW DC-8S RM. REMOVED DAMAGE, TREATED AREA IAW DC-8 SRM 51-1-8. FABRICATED AND INSTALLED REPAIR IAW DC-8 SRM 57-2-1, FIG 2H AND DWG 5769545.