What was found
DURING A MAINTENANCE VISIT FOUND CRACK, RIGHT WING, L/E UPPER SKIN AT STA XFS 423.25, CRACKED AT 2 RIVET HOLES, ALSO HAS 12 RIVET HEAT CRACKED. DAMAGE EXCEEDED LIMITS IAW DC-8 SRM. REMOVED DAMAGED, TREATED AREA IAW DC-8 SRM 51-1-8. FABRICATED AND INSTALLED REPAIR IAW FAA APPROVED ENGINEERING SKETCH NR 087-125.