As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTO FAIL AND ALTN LIGHTS ILLUMINATED ON PRESSURIZATION PANEL. ACFT GROUNDED. FOUND CONTROL PANEL FAULT ON NR 2 CABIN PRESSURE CONTROLLER. ACCOMPLISHED FIM 21-31, TASK 827, NO CURRENT FAULTS. CLEARED STORED FAULTS REF FIM 21-31, TASK 801.