What was found
RT DUCT OVERHEAT WARNING, WARNING REMAINED ON WHEN THE TEMPERATURE WAS SELECTED TO FULL COLD. REPLACED THE DUCT OVER TEMPERATURE SENSOR.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
RT DUCT OVERHEAT WARNING, WARNING REMAINED ON WHEN THE TEMPERATURE WAS SELECTED TO FULL COLD. REPLACED THE DUCT OVER TEMPERATURE SENSOR.