As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED WHEN BRAKES WERE APPLIED AFTER LANDING THR BRAKING PRESSURE ALTERNATED BETWEEN 50 PERCENT AND NO-BRAKING POWER THROUGHOUT LANDING ROLL. MX BLED THE BRAKE SYS AND R & R THE NR 2 WHEEL SPEED TRANSDUCER WITH OPS CHECK GOOD. ACFT WAS APPROVED FOR RETURN TO SERVICE.