As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTO FAIL LIGHT ILLUMINATED ON GROUND. ACFT GROUNDED. POSITIONED PRESSURIZATION MODE SELECTOR TO MANUAL AND BACK TO AUTO. NO EXISTING FAULTS IAW FIM 21-31, TASK 801. GROUND VERIFICATION SUCCESSFUL, BITE TESTS NORMAL IAW FIM 21-31 ASK 801.