As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
POWER BRAKE/ANTI-SKID ANNUNCIATOR ILLUMINATING. PUMP CAN BE HEARD RUNNING, HOWEVER DOES NOT PUMP UP PRESSURE ENOUGH TO EXTINGUISH LIGHT. POWER BRAKE CIRCUT BREAKER IS PULLED TO KEEP PUMP FROM RUNNING. INVESTIGATED SQUAWK, DETERMINED THAT THE BRAKE ACCUMULATOR WAS OVER SERVICED AND- WHEN SERVICED PROPERLY- SYSTEM OPS CHECKED SATISFACTORY ALL WORK IAW MM 32-40-00