As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED THE BEACON LIGHT INOP. DURING TROUBLESHOOTING, TECH FOUND BEACON LIGHT BREAKER/SWITCH TO BE AT FAULT. THE BEACON BREAKER/SWITCH WAS LAST REPLACED 1074.8 FLIGHT HOURS PRIOR WITH AN ESTIMATED 4299.2 CYCLES. EARLY FAILURE REASON IS UNKNOWN NO RECOMMENDATIONS AT THIS TIME.