As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE HOLDING SHORT OF THE RUNWAY THE BRAKE PEDALS WENT TO THE FLOOR FOLLOWED BY THE ANTISKID INOP & POWER BRAKE PRESSURE LOW ANNUNCIATORS ILLUMINATING. AFTER ABOUT 60 SECONDS THE ANNUNCIATORS EXTINGUISHED & BOTH CAPTAINS & COPILOTS BRAKES WORKED. SERVICED BRAKE ACCUMULATOR TO PROPER PRECHARGE IAW CE560 MM 12-13-02. LEAK CHECKS GOOD. BRAKE OPS CHECKS GOOD, OK TO CONTINUE.