As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#1510, PAP-FLL. 'BRAKES PARK BRAKE LO PR DURING THE START #1 ACCU PRESS GOES TO ALMOST ZER0 AND BRAKE PRESSURE GO TO 1000PSI. ON #2 ENGINE START PRESSURE AND BRAKE PRESSURE RETURN TO NORMAL. THIS HAPPENED ON TWO CONSECUTIVE LEGS; SERVICED PARKING ACCUMULATOR PER AMM 32-44-11. OPS AND LEAK CHECK GOOD.'