As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ALTERNATOR WAS OVERHAULED BY ELECTROSYSTEMS, FAILED AFTER 177 HOURS. ON INSPECTION, FOUND 2 DIODE TABS CRACKED AND ARCING DIODES OBVIOUSLY NOT REPLACED AT OVERHAUL. SUBMITTER STATED THIS IS SECOND ELECTROSYSTEMS ALTERNATOR THAT FAILED AFTER VERY SHORT SERVICE LIFE.