What was found
DURING A MAINTENANCE VISIT FOUND CRACK, RIGHT WING, L/E LWR SKIN AT STA XFS 630, 3 FWD OF THE SPAR, CRACKED AT A RIVET HEAD. DAMAGE EXCEEDED LIMITS IAW DC-8 SRM. REMOVED DAMAGED, TREATED AREA IAW DC-8 SRM 51-1-8. STOP DRILLED CRACK AND REPAIRED IAW DC8 SRM 57-2-0 FIG 6.