What was found
DURING TAKEOFF ROLL, WE EXPERIENCED EXCESSIVE VIBRATIONS FROM THE GEAR ONCE AIRBORNE. VERBALLY SPOKE WITH CREW.. THE AIRPLANE EXPERIANCED A SMALL AMOUNT OF VIBRATION ON TAKE OFF ROLL AND AN EXCESSIVE AMOUNT ONCE THE ACFT BECAME AIRBORNE. IT WAS STATED THAT THE VIBRATION SEEM TO LESSON AFTER THE NOSE GEAR WAS RETRACTED AND THE GEAR DOORS CLOSED. FOUND RH NOSE TIRE NOSE WITH FLAT SPOTS SUSPECT THIS CAUSE VIBRATION REF B767 FIM 32-51-00-815-805 REMOVED AND REPLACED BOTH NOSE TIRE REF B767 AMM 32-45-02-4.