As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CIRCUIT BREAKER WILL RESET AFTER BEING TRIPPED BY ROTATING THE KNOB. THIS RESULTS IN A BREAKER THAT IS RESET WHILE BEING IN THE TRIPPED POSITION. THIS BREAKER WILL PRODUCE THIS RESULT EVERY TIME THAT THIS PROCEDURE IS TRIED. THIS PARTICULAR BREAKER WAS INSTALLED IN THE AUTOPILOT SYSTEM. THE CIRCUIT BREAKER IN QUESTION IS ATTACHED. (K)