As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PRESSURIZATION ON PREFLIGHT AUTOFAIL. IN ALTN MODE. ACFT GROUNDED. CYCLED AUTO/MAN SWITCH. AUTO FAIL LIGHT AND ALTN LIGHT EXTINGUISHED. NR 1 AND 2 PRESSURE CONTROLLERS SHOW NO EXISTING FAULTS AND TEST NORMAL, IAW FIM BITE 21-31 TASK 801D.