What was found
DURING A MAINTENANCE VISIT, FOUND A CRACK AT THE DRAIN PLUG HOLE ON THE MAIN CABIN FLOOR PANEL, AT BS 1200 AND RBL 10, 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 53-2-3