As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NORMAL BRAKING SYS INTERMITTENT. AFTER NORMAL LANDING WITH NORMAL BRAKES, LOST ALL BRAKING POWER WHILE TAXIING. CAME BACK WITH TWO LOUD THUMPS. AFTER RELEASING AND REAPPLYING THE BRAKES, SAME EVENT HAPPENED AGAIN. SELECTED EMERGENCY BRAKES AND TAXIED TO A STOP. POST FLIGHT INSPECTION OF GEAR SHOWED NO LEAKS. ALL PRESSURES AND QUANTITIES WERE NORMAL. R & R THE POWER BRAKE VALVE IAW MM 32-40-20. BLED BRAKE SYS AND PERFORMED ADJUSTMENT TEST IAW 32-40-20.