As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PRESSURIZATION SELECTOR SWITCH IN AUTO WITH AUTO FAIL AND ALTN ANNUNCIATORS ILLUMINATED. ACCOMPLISHED DIGITAL CABIN PRESSURE CONTROLLER BITE PROCEDURE PER M/M 21 31 00 810 801. LOGGED "CONTRLR LRU FAIL MESSAGE. PERFORMED SYSTEM TEST AND RESET FAULT MESSAGE. SYSTEM BITE TESTS PASS.