What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) N613NA being operated as lifeguard flight LN613NA, reported smoke in the cockpit on approach into Omaha, NE. The aircraft landed without incident. Maintenance checked the air temperature controller and found that the system worked fine in the manual mode but malfunctioned when in the auto temperature controller mode. The auto temperature controller was deferred per the MEL and the flight continued with the controller in the manual mode.
As the FAA filed it
(-23) N613NA BEING OPERATED AS LIFEGUARD FLIGHT LN613NA, REPORTED SMOKE IN THE COCKPIT ON APPROACH INTO OMAHA, NE. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE CHECKED THE AIR TEMPERATURE CONTROLLER AND FOUND THAT THE SYSTEM WORKED FINE IN THE MANUAL MODE BUT MALFUNCTIONED WHEN IN THE AUTO TEMPERATURE CONTROLLER MODE. THE AUTO TEMPERATURE CONTROLLER WAS DEFERRED PER THE MEL AND THE FLIGHT CONTINUED WITH THE CONTROLLER IN THE MANUAL MODE.