What was found
DURING A MAINTENANCE VISIT, FOUND A CRACK ON THE AFT END OF THE CENTER WING BOX LWR SKIN EXTERIOR AT FS 855 AND BL 68R, DAMAGE EXCEEDED LIMITATIONS IAW DC-8 SRM. REMOVED DAMAGE, TREATED AREA IAW DC-8 SRM 51-1-8. FABRICATED AND INSTALLED REPAIR IAW DC-8 SRM 53-2-0.