As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
POWER BRAKE CIRCUIT BREAKER TRIPPED ON TAXI OUT. RESET AND SHORTLY THEREAFTER TRIPPED AGAIN. AFTER TURNING AROUND AND TAXING BACK TOWARD FBO, LOST ALL BRAKE PRESSURE. EMERGENCY BREAKS WERE UTILIZED WITH ONE APPLICATION. FOUND ANTI-SKID PUMP MOTOR FAULTY. R & R ANTI-SKID PUMP MOTOR. OPS & LEAK CHECKED GOOD. BLED BRAKE SYS. PERFORMED TAXI CHECKS. CHECKED GOOD. REF MM 32-42-00.