As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED DURING BRAKE APPLICATION, BRAKES WILL ALTERNATE BETWEEN GRABBING AND RELEASING, RESULTING IN DEGRADED BRAKING AND ACFT SHUDDERING. MAINTENANCE R & R NR 1 BRAKE ASSY WITH OPS AND TAXI CHECK GOOD. ACFT WAS APPROVED FOR RETURN TO SERVICE.