What was found
(CAN) AFTER LANDING, CREW WAS TAXING TO THE GATE, THE CREW NOTICED THE STEERING AS NOT RESPONSIVE. THE ACFT WAS STOPPED AND IT WAS DISCOVERED TO HAVE A PUDDLE OF HYDRAULIC FLUID UNDER THE L/T WING. INSPECTION REVEALED THAT THE LT OTBD SPOILER ACTUATOR WAS CRACKED .7500 PERCENT OF THE WAY AROUND IT`S CIRCUMFRENECE. THE ACTUATOR WAS REPLACED AND THE ACFT RETURNED TO SERVICE. A FLEET CAMPAIGN WILL BE ISSUED TO INSPECT THE OTHER ACTUATORS.