As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AMBER, AUTO FAIL, ANNUNCIATOR ON THE PRESSURIZATION PANEL ILLUMINATED IN THE COCKPIT. BITE CHECKS WERE PERFORMED ON THE PRESSURE CONTROLLERS. 1 CONTROLLER SHOWED A MESSAGE FOR AN INTERNAL FAULT. CONTROLLER WAS REPLACED AND OPS CHECK NORMAL.