As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING AN INSPECTION, MAINTENANCE FOUND A MOLEX CONNECTOR LOCATED JUST FORWARD OF THE CIRCUIT BREAKER PANEL, BEHIND THE SIDE PANEL ON THE PILOT'S SIDE BURNED AND THE WIRE HEATED APPROX .50 INCH OUT OF THE CONNECTOR. THIS MOLEX CONNECTOR NR E303 PER THE NAVAJO CHIEFTAIN SERVICE MANUAL WIRING DIAGRAM. THE WIRE THAT IS OVERHEATING FOUND TO BE FOR THE HEATER BLOWER, FROM A 20-AMP CIRCUIT BREAKER.