As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ENGINE OIL TEMPRATURE INDICATION INTERMITTENT THEN BLANK FOR APPROX TWENTY MINUTES AT CRUISE THEN BACK TO INTERMITTENT ON RETURN. REMOVED AND REPLACED NR 1 ENG TEMP SENSOR IAW AMM 79-34-01. OPS CHECK PER AMM 79-34-00, NO LEAKS NOTED OPS CHECK GOOD. A/C OK TO CONTINUE.