As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER PUSH BACK AND ENGINE START, WE TURNED ON THE PROBE HEAT F/O PITOT LIGHT CAME ON. RAN QRH. LOOKED AT C/B PANEL AND F/O PITOT CIRCUIT BREAKER HAD POPPED. GROUNDED - YES. RESET F/O PITOT C/B OPS GOOD, RUN FIM 30-31 TASK 803 OK FOR SERVICE.