As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ONE POWER WIRE FOR THE FOOT HEATER HEAT CONTROL HAD FALLEN ON TO THE BRAKE LINE THAT RUNS ALONG THE FIREWALL JUST AHEAD OF THE RUDDER PEDALS. AS A RESULT ARCING OCCURED AND BURNED A HOLE IN THE LINE. THE .2500 INCH ALUMINUM BRAKE LINE WAS REPLACED, SYSTEM BLED AND THE WIRE WAS REPLACED AND SECURED BETTER TO THE BUNDLE.