What was found
DURING A MAINTENANCE VISIT, FOUND CORROSION DAMAGE TO THE MAIN CABIN FLOORBOARD, FS 987 TO 990 AND LBL 16 TO 19, DAMAGE EXCEEDED LIMITATIONS IAW DC-8 SRM. REMOVED DAMAGE, TREATED AREA IAW DC-8 SRM 51-1-8. FABRICATED REPAIR AND INSTALLED IAW DC-8 SRM 53-2-3.