As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED THAT THE BEACON LIGHT WAS INOPERATIVE. AFTER TROUBLESHOOTING THE TECH FOUND THE BEACON LIGHT TO BE AT FAULT. R & R THE BEACON LIGHT SWITCH AND OPS CHECK WAS NORMAL. THE EXISTING BEACON LIGHT SWITCH WAS INSTALLED 1/9/09 AT 17048 AC HRS WITH A TSN OF 3423.2 WITH AN ESTIMATED 13692.8 CYCLES. NO CAUSE OR RECOMENDATION AT THIS TIME.