What was found
DURING A/C OPERATION, TEMPERATURE RAN FULL-HOT AND THEN FULL-COLD, COULD NOT BE OVERRIDDEN WITH THE CONTROLLER IN MANUAL MODE. FOUND VALVE FAILED INTERNALLY.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING A/C OPERATION, TEMPERATURE RAN FULL-HOT AND THEN FULL-COLD, COULD NOT BE OVERRIDDEN WITH THE CONTROLLER IN MANUAL MODE. FOUND VALVE FAILED INTERNALLY.