As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OIL TEMPERATURE GAUGE SUPPLIED WITH SERVICE KIT-OIL GAUGE SHORTED OUT INTERNALLY BLOWING OUT POWER CONVERTER. THIS WAS THE 3RD GAUGE IN 4 YEARS. WHEN POWER CONVERTER BLEW POWER SURGE/SHORT CREATED MALFUNCTION IN ENGINE INSTRUMENT CLUSTER AND CREATING BURNING SMELL, AMONG ITEMS DAMAGED BEING REPLACED, AN ELECTRIC OIL TEMPERATURE UNIT WITH ORIGINAL CAPILLARY TYPE UNIT.