As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAPTAIN SIDE PFD DISPLAYING FD FLAG. SUSPECT GROUND POWER UNIT CAUSED FAULT PUT ACFT ON APU PWR CAPTAINS F/D FLAG REMAINED OUT OF VIEW. PERFORMED DFCS BITE CHECK PER FIM 22 11 00 NO FAULTS FOUND. PERFORMED MMR BITE CHECK PER FIM 34 31 00. NO DEFECTS NOTED.