What was found
(CAN) DURING TAXI TO GATE LOSS OF NOSE WHEEL STEERING OCCURRED WITH TOTAL LOSS OF HYDRAULIC A PRESSURE AND QUANTITY AT ZERO. MAINTENANCE FOUND THE NR 8 GROUND SPOILER ACTUATOR TO BE THE CAUSE. THE ACTUATOR BODY HAD STRUCTURAL FAILURE CAUSING FLUID LOSS. ACTUATOR REPLACED AND AIRCRAFT RETURNED TO SERVICE. ACTUATOR ROUTED TO OUR MAINTENANCE PROVIDER'S SHOP WITH REQUEST FOR FULL REPORT. WILL ADD FURTHER DETAILS OF THE FAILURE WHEN AVAILABLE.