As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF AROUND 80 KTS FELT A VIBRATION AND AIRCRAFT STARTED PULLING TO THE RIGHT. ABORTED THE TAKEOFF. REMOVED NLG WHEEL ASSY AND INSTALLED AN OVERHAULED ASSY IAW CE560XL MM 32-41-00. REMOVED RT BRAKE ASSY AND INSTALLED OVERHAULED BRAKE ASSY. BLED BRAKES OPS CHECK GOOD IAW 32-42-01.