As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON PREFLIGHT AUTO FAIL & ACT LIGHTS ILLUMINATED ON PRESSURIZATION CONTROL PANEL. LIGHTS WENT OUT AFTER CYCLING CONTROL SWITCH THRU AUTO MAN. PERFORMED BITE PROCEDURE FOR EXISTING FAULTS REFERENCE FIM 21 31 00 810 810, NO EXISTING FAULTS LOGGED.