As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, THE TAIL DEICE BECAME INOPERATIVE. DUE TO ENROUTE WEATHER, THE CREW PERFORMED AN AIR-TURN-BACK. THE SYSTEM WAS INSPECTED AND MECHANIC REPAIRED THE EVA TUBING IN THE LT STABILIZER ABOVE THE LOGO LIGHT. THE SYSTEM WAS INSPECTED AND WITH NO FURTHER DISCREPANCIES THE AC WAS RETURNED TO SERVICE. (K)