As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PREFLIGHT INSP, ANTI-COLLISION LIGHT FAILED TO ILLUMINATE. INVESTIGATION REVEALED CIRCUIT BREAKER HAD POPPED. RESETTING THE BREAKER FOR A GROUND TEST REVEALED NO FUNCTION. THIS PART HAS BEEN DEEMED NOT REPAIRABLE BY THE AIRFRAME MFG. (K)