What was found
(CAN) ON DESCENT THROUGH 10,000 FEET, CREW NOTICED NR 1 EBG UTILITY HYDRAULIC SYSTM FLUID WAS DEPLETED ON THE GAUGE, FOLLOWED BY WARNING LIGHT. EMERGENCY LANDING CARRIED OUT, AIRCRAFT TOWED FROM RUNWAY, NO NOSE WHEEL STEERING. LEAKING NR 1 ENGINE UTILITY PUMP CASE DRAIN. PUMP REPLACED.