What was found
ON TAXIING OUT, FLIGHT CREW RECEIVED A NR 3 TIRE PRESSURE/WHEEL TRANSDUCER ALERT. LEVEL 2. AIRCRAFT RETURNED TO GATE WITHOUT FURTHER INCIDENT. MAINTENANCE DISCOVERED THE NR 3 MAIN WHEEL ASSY WHEEL TRANSDUCER RETAINING BOLT BROKEN, P/N NAS 640413. BOLT WAS REPLACED AND NR 3 TIRE PRESSURE INDICATION PLACED ON MEL 32-45-2 DUE TO BROKEN WIRE IN AXLE. AIRCRAFT RETURNED TO SERVICE. (X)