As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 OIL TEMP FLUCTUATED TO BETWEEN 100 DEGREES AND 115 DEGREES THEN REPEATED TWICE. INSPECTED ENGINE, REMOVED AND REPLACED ENGINE OIL TEMP INDICATOR, NO FIX. REMOVED AND REPLACED ENGINE OIL TEMP BULB, LEAK AND OPERATIONAL CHECK GOOD. SERVICED ENGINE WITH 2 QUARTS OF OIL.