As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE FIRST START ATTEMPT, APU FAULT LIGHT ILLUMINATED. ACFT GROUNDED. PERFORMED APU BITE CK, REF FIM 49-60, TASK 801 FOUND FAULT 49-31214 APU FUEL VALVE SHOWS NOT OPEN. PERFORMED FIM TASK FOR FAULT FOUND APU FUEL SHUTOFF VALVE INOPERATIVE. R & R APU SHUTOFF VALVE ACTUATOR. OPS CK GOOD REF AMM 28-25-02. GROUND VERIFICATION SUCCESSFUL.