What was found
OPERATOR REPORTED EXTERNAL POWER CONNECTOR AT FBO WAS FITTING LOOSE AND REQUESTED FURTHER INSPECTION. UPON VISUAL INSPECTION NOTED GROUND CABLE WIRING HARNESS W103 CONNECTIONS AT THE 24J2 EXTERNAL POWER CONNECTOR, MS3506-1, NEGATIVE STUD WAS LOOSE AND THE NEGATIVE STUD MOUNTING AREA ON THE EXTERNAL POWER CONNECTOR WAS MELTED AND BURNED. W103 CABLE HARNESS CONNECTIONS WERE FOUND LOOSE. SUSPECT CONNECTIONS WERE UNDER-TORQUED AT EITHER MFG OR DURING SUBSEQUENT MAINTENANCE EVENTS. RECORDS NOT AVAILABLE AT THIS TIME.