What was found
DURING A MAINTENANCE VISIT FOUND DELAMINATION, RUDDER TUB DELAMINATED LT SIDE AFT OF LOWER HINGE. DAMAGE EXCEEDED LIMITS IAW DC-8 SRM. REMOVED DAMAGED, TREATED AREA IAW DC-8 SRM 51-1-8. REMOVED AND REPLACED RUDDER TAB IAW DC8 M/M 27-21-1.