What was found
(CAN) DURING A ROUTINE INSPECTION OF THE AIRFRAME IT WAS FOUND THAT THE SECTION OF PITOT TUBE IN THE WING NEAR THE PITOT TUBE ASSEMBLY WAS FOUND MELTED. THE REASON FOR THIS CONDITION WAS DETERMINED TO BE INTERFERENCE ON THE TUBE BY THE WIRING FROM THE PITOT HEATER ELEMENT. THERE WAS NO PREVIOUS REPORT BY THE CREW INDICATING ANY RELATED SYSTEMS FAILURE HOWEVER AT THE TIME OF INSPECTION IT WAS DEFINITELY FOUND TO BE DEFECTIVE. THE LINE WAS REPLACED AND ROUTING VERIFIED AS NOT TO INTERFERE WITH WIRING AGAIN. AIRCRAFT TOTAL TIME WAS 11770.