As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE TAXING AFTER LANDING, BRAKE PRESSURE WAS LOST, MASTER CAUTION WITH LOW BRAKE PRESSURE AND ANT-SKID ANNUNCIATOR ILLUMINATED. THE ACFT WAS TOWED TO THE FBO. MX TROUBLESHOT THE DISCREPANCY TO A BAD ANTI-SKID POWER PACK MOTOR ASSY. LEAK AND OPS CHECKS WERE GOOD. ACFT WAS RETURNED TO SERVICE.