As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT, CABIN AUTO INOP CAUTION EICAS MESSAGE STATUS PAGE SHOWED CABIN ALT AUTO 2. QRH PROCEDURES COMPLIED WITH.(<P>PERFORMED FIM 21-31 FT 804 CABIN AUTO INOP WITH MANUAL OPERATION NORMAL. PERFORMED CABIN PRESSURE BITE PER FIM 21-31 FT 803. SYSTEM OK.</P>)