As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TRIM AIR R LOSS OF RIGHT CABIN TEMP CONTROL SYSTEM. RIGHT TRIM AIR PRESSURE RELIEF SHUTOFF VALVE (PRSOV) IS CLOSED DUE TO ZONE DUCT OVERTEMP CONDITION OR FAILURE OF TRIM AIR PRESSURE SENSOR. STATUS MSG-2343860 INACTV RO INTER MSG-2343860 ACTIVE RO HARD REPLACED RIGHT UPPER FLOW CONTROL AND SHUTOFF VALVE. OPS CHECKS NORMAL.