As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#148. LAS-JFK. 'WHILE TRYING TO TAXI WITH #2 ENGINE SECURED HAD UNCOMMANDED NOSE WHEEL DEFLECTION IN ONE DIRECTION THEN THE OTHER AIRCRAFT SAID THE WHEEL WENT 50-60 EACH WAY; REMOVED AND REPLACED NOSE WHEEL STEERING SERVO VALVE CONTROL UNIT AND BSCU. PERFORMED TAXI CHECKS NO DEFECT FOUND. AIRCRAFT OK FOR SVC.'