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