As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTO-FAIL LIGHT AND ALTN LIGHT ILLUMINATED ON PRESSURIZATION PANEL. ACFT GROUNDED. RESET SYS-SELECTING MANUAL MODE THEN BACK TO AUTO. PRESSURE CONTROLLERS SHOW NO CURRENT FAULTS AND GROUND TEST NORMAL IAW FIM 21-31, TASK 801. GROUND VERIFICATION SUCCESSFUL.