What was found
DURING A MAINTENANCE VISIT FOUND CRACK, LT WING LOWER L/E RIB AT FASTENER END AT STA XFS 653.75, FWD OF ACCESS PANEL 519C OPENING. DAMAGE EXCEEDED LIMITS IAW DC-8 SRM. REMOVED DAMAGED, TREATED AREA IAW DC-8 SRM 51-1-8. STOP DRILLED CRACK, FABRICATED AND INSTALLED REPAIR DOUBLER IAW DC8 SRM 57-2-0, FIG 2.