What was found
(CAN) WHILE MAINTENANCE WERE PERFORMING INSPECTION & OPERATIONAL CHECKS OF THE AIR CONDITIONING UNIT, WITH THE AIRCRAFT POWER ON SPARKS WERE SEEN COMING OUT OF THE AIR CONDITIONING UNIT NEXT TO THE MOTOR.UPON FURTHER INSPECTION IT WAS NOTED THAT THE WIRING (WIRE NUMBER KP3-4) FROM THE AIR CONDITIONING MOTOR TO THE THE POSITIVE TERMINAL ON THE SOFT START UNIT WAS MELTED & BURNT & THE STUD MARKED MOTOR POSITIVE IS DAMAGED. ALSO THE 16 GAGE WIRE IN THIS LOCATION WAS DAMAGED.