As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED RIGHT BRAKE PEDAL WHEN COMMANDED RESULTS IN ALMOST NO BRAKING ACTION. ADDITIONALLY THE RIGHT IB BRAKE TEMP ALWAYS STAYED AT ZERO DESPITE THE RIGHT OB BRAKE TEMP GOING INTO THE AMBER INDICATION AFTER MODERATE BRAKING. MX REMOVED AND REPLACED BRAKE CONTROL UNIT WITH OPS CHECK GOOD. THE ACFT WAS APPROVED FOR RETURN TO SERVICE.