What was found
DURING A MAINTENANCE VISIT FOUND A CRACKED SUB-FLOOR UNDER L/H ELEC. CENTER AT STA 225 LT. RBL 24 -28 Z AXIS 0, DAMAGE EXCEEDED LIMITATIONS IAW DC-8 SRM. REMOVED DAMAGE, TREATED AND PRIMED AREA IAW DC-8 SRM. STOP DRILLED CRACK, FABRICATED REPAIR.