As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED THAT THE ALTERNATOR WAS NOT WORKING. DURING TROUBLESHOOTING, FOUND THAT THE ALTERNATOR FIELD CIRCUIT BREAKER SWITCH WAS FOUND TO BE AT FAULT. THE SWITCH WAS INSTALLED ON 07 APRIL 2009 WITH A TSN OF 3098 WITH AN ESTEMATED 12392 CYCLES. INSTALLED A NEW ALTERNATOR FIELD BREAKER SWITCH AND OPS CHECK WAS GOOD. NO CAUSE OR RECOMENDATIONS AT THIS TIME.