What was found
DURING A MAINTENANCE VISIT FOUND CRACK, RIGHT WING, L/E RIB AT STA XFS 163.75, CRACKED AT THE AFT LWR END. DAMAGE EXCEEDED LIMITS IAW DC-8 SRM. REMOVED DAMAGED, TREATED AREA IAW DC-8 SRM 51-1-8. FABRICATED AND INSTALLED REPAIR DOUBLER IAW DC8 SRM 57-2-0 FIG 2.