As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT DISCREPANCY, WARNING LIGHTS POWER NR 7 CIRCUIT BREAKER POPPED. FOUND LT HP FUEL COCK KNOB SHORTING TO LEVER ARM (HANDLE IS LIGHTED) KNOB WAS PROBABLY BROKEN BY TWISTING MOTION FROM PILOT WING STARTING OR SHUTTING DOWN ENGINE. NO RECOMMENDATIONS FOR PREVENTION OF REOCCURRENCE.