As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ANGLE OF ATTACK WILL NOT HEAT: INSPECTED CONNECTOR FS20, AND FOUND BOTH ENDS TO BE BURNT. INSPECTED BREAKER AND FOUND TO BE, 10AMP BREAKER, WHICH WAS TO LARGE FOR 18 GUAGE WIRE. REPLACED CONNECTOR AND ENGINEERING ISSUED A DRAWING TO ACCOMODATE SYSTEM REQUIREMENTS.