As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MASTER MESSAGE: CABIN ALTITUDE MASTER CAUTION MESSAGE: CABIN AUTO INOP STATUS MESSAGE: CABIN ALT AUTO 1 + 2. PERFORMED BITE TEST ON CABIN ALT AUTO 1 IAW FIM 21-31 FAULT TREE 804. OPS CHECK GOOD. INSPECTED, CLEANED AND SECURED ELECTRICAL CONNECTOR ON AC MOTOR 2 IAW AMM 21-31-00, C/W FIM 21-31 FT 803 NO FAULTS AT THIS TIME.