As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TRIM AIR PRSOV LT TRIM AIR PRESSURE RELIEF SHUTOFF VALVE (PRSOV) FAILED. STATUS MSG01- NOT ACTIVE TAXI OUT MODE DEPENDENT; TRIM AIR PRESSURE REGULATING AND SOV (LT) TORQUE MOTOR IS NOT IN COMMANDED POSITION. DB- CABIN TEMPERATURE CONTROLLER (L CHAN1) MSG-2124201 INACTV T/A MODE. INSTALLED CONTROLLER AND TESTED GOOD.