As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT TRIM AIR PRESSURE RELIEF SHUTOFF VALVE FAILED. STATUS MESSAGE 01- NOT ACTIVE MAINTENANCE MODE DEPENDENT; TRIM AIR PRESSURE REGULATING AND SOV TORQUE MOTOR IS NOT IN COMMANDED POSITION. DB- CABIN TEMPERATURE CONTROLLER (R CHAN2) MSG-2124202 INACTV MT MODE. ACCOMPLISHED RIGHT TRIM BITE ON MAT TEST PASSED.