As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMB OUT, PILOT NOTICED THE RED TKS WARNING ANNUNCIATOR ILLUMINATE. SIMULATANEOUSLY, THE LEFT HAND INSTRUMENT PANEL LIGHTS BEGAN TO FLICKER. THE PILOT ELECTED TO DECLARE AN EMERGENCY AND RETURNED TO POINT OF ORIGIN WITHOUT INCIDENT.