As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAB ALT HI WARNING EICAS AT FL370. EMERGENCY DESCENT TO 10,000. LANDED AT AUSTIN (FLIGHT 5971 - FILED CLOSED)PERFORMED CMC FIM 21-31-00-810-818-A AND FOUND NO DEFECTS DURING TROUBLESHOOTING OF CAB ALT HI. OPS CHECK GOOD AT THIS TIMELEAK CHECK GOOD AT THIS TIME