As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN ALT CAUTION , FL380 WHILE LEVELING, ALT HOLD NOT FUNCTIONING. PERFORMED CRJ FIM TASK 21-31-00 WITH NO ISSUES FOUND, ALSO INSPECTION AND PRESSURIZATION CHECK OF MAIN DOOR IAW CRJ AMM52-11-07 NO ISSUES OR DEFECTS NOTED AND NO MESSAGES PRESENT.