As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTOFAIL ILLUMINATED ON PRESSURIZATION CONTROL PANEL. SWITCHED PRESS CONTROL FROM AUTO TO MANUAL TO AUTO AUTOFAIL LIGHT EXTINGUISHED. PRESS CTLR NR 1 AND NR 2 SHOW NO EXISTING FAULTS AND NO FAULT HISTORY LOGGED FOR 57 FLTS. TROUBLESHOT PER FIM 21 21 00 810 801 BOTH PRESS CTLRS BITE CHECK NORMAL.