What was found
ON SHORT FINAL AT KIND WITH SLATS EXTENDED AND FLAPS 22 DEG WE EXTENDED THE LANDING GEAR. VERY SOON AFTER EXTENDING THE LANDING WHILE PERFORMING THE BEFORE LANDING CHECKLIST, WE RECEIVED A LEVEL 2 HYD 3 FAIL ALERT. WE IMMEDIATELY CALLED UP THE HYD SYNOPTIC AND THE HYD 3 QUANTITY HAD ALREADY DEPLETED TO 0.1 GALLONS AND BOTH HYD 3 PUMPS WERE AMBER. HYD 3 PRESSURE WAS 40 P.S.I. WE NOTIFIED THE TOWER WE WERE EXECUTING A GO AROUND IN ORDER TO COMPLY WITH THE QRH LEVEL 2 HYD 3 FAIL CHECKLIST. FOUND FLUID COMING FROM RH WHEEL WELL AREA CLEANED AND INSPECTED, FOUND TRIM CYLINDER INTERLOCK FUSE LEAKING. DEPRESSURIZED NR 3 HYD AND CRACKED LINES ON INTERLOCK FUSE FOR DRAINING REF AMM 32-31-06-2-0, CPN 3210483 IN HAND AND DELIVERED TO A/C FOR REPLACEMENT. REMOVED AND REPLACED TRIM CYLINDER INTERLOCK FUSE IAW AMM 32-31-06-2 THRU PARAGRAPH 3 B (3).