What was found
DURING A MAINTENANCE VISIT FOUND A CRACK TO THE MAIN CABIN FLOOR BOARD AT STA 145 AND RBL 22, DAMAGE EXCEEDED LIMITATIONS IAW DC-8 SRM. REMOVED DAMAGE, TREATED AREA IAW DC-8 SRM 51-1-8. FABRICATED AND INSTALLED DOUBLER IAW DC-8 SRM 53-20, 51-1-20 AND 53-2-3.