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 PRESSURIZATION PANEL AFTER ENGINE START. ACFT GROUNDED. PERFORMED FIM 21-31, TASK 827. AUTO FAIL LIGHT ON. PERFORMED BITE CHECK OF NR 1 AND 2 PRESSURE CONTROLLERS, NO FAULTS NOTED, AUTO FAIL LIGHT REMAINS OFF. OK TO CONTINUE.