What was found
BYPASS VALVE INTERMITTENTLY STICKING IN OPEN (HOT) POSITION, UNABLE TO CONTROL CABIN AIR TEMPERATURE IN AUTO OR MANUAL SELECTION. REPLACED VALVE, GROUND CHECK OF VALVE OPERATION SATISFACTORY.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
BYPASS VALVE INTERMITTENTLY STICKING IN OPEN (HOT) POSITION, UNABLE TO CONTROL CABIN AIR TEMPERATURE IN AUTO OR MANUAL SELECTION. REPLACED VALVE, GROUND CHECK OF VALVE OPERATION SATISFACTORY.