What was found
DURING A MAINTENANCE VISIT FOUND A CRACK 1 INCH AND 4 INCH LONG ON THE LOWER CENTER WING AREA EXTERNAL/INTERCOSTAL AT STA 781 AND L33R, DAMAGE EXCEEDED LIMITATIONS IAW DC-8 SRM. REMOVED DAMAGE, TREATED AND PRIMED AREA IAW DC-8 SRM 51-1-8. FABRICATED AND INSTALLED REPAIR IAW DC-8 SRM 51-1-21, 51-1-4, 53-3-0 AND 51-1-21.