As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED THAT THE TAXI LIGHT WAS NOT WORKING. DURING TROUBLESHOOTING FOUND THAT THE TAXI LIGHT CURCUIT BREAKER SWITCH WAS FOUND TO BE AT FAULT. THE SWITCH WAS INSTALLED ON 09 AUG 2010 WITH A TSN OF 1128 WITH AN ESTEMATED 4512 CYCLES. INSTALLED A NEW TAXI LIGHT BREAKER SWITCH AND OPS CHECK WAS GOOD. NO CAUSE OR RECOMENDATIONS AT THIS TIME.