What was found
FLT 4900 - ROC - ON TAKEOFF, THE TOWER CONTACTED THE CREW STATING THAT THEY OBSERVED A TIRE FALLING FROM THE A/C. THE CAUSE HAS BEEN DETERMINED TO BE A RIGHT NOSE WHEEL, P/N 5006227, BEARING FAILURE. REMOVED NLG LOWER TORQUE LINK, AXLE AND BOTH TIRE ASSEMBLYS. (M)