As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF ROLL AT BUF, A VIBRATION WAS NOTED IN THE NR 3 ENGINE. THE TAKEOFF ROLL WAS REJECTED AT 60 KNOTS. THE ENGINE WAS SHUTDOWN AND AIRCRAFT TAXIED BACK TO RAMP WITHOUT INCIDENT. FOUND EXTENSIVE DAMAGE TO THE C-1 FAN BLADES. REPLACED ENGINE.