What was found
(CAN) WHILE MAINTENANCE WAS PERFORMING A NOSE LANDING GEAR WHEEL ROTATION TASK FOR A NLG SHIMMY SNAG, THEY FOUND THE 6 BOLTS THAT MOUNT THE L/H NLG WHEEL TORQUE FLANGE TO THE WHEEL ASSY CORRODED AND 2 OF THE 6 BOLTS SHEARED. MAINTENANCE REPLACED BOTH L/H & R/H WHEEL ASSY`S IAW AMM INCLUDING ALL 12 BOLTS THAT MOUNT THE NLG WHEEL TORQUE FLANGES TO EACH WHEEL . THE AIRCRAFT WAS RETURNED TO SERVICE AND ALL SUBSEQUENT OPERATIONS WERE NORMAL.