As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENG OIL TEMP DIFFERS BETWEEN LEFT & RIGHT EICAS COMPUTERS. LEFT READ 125 DEG. RIGHT READ 110 DEG. INFO INTERMITTENT 148 DEG OIL TEMP LEFT ENGINE, AMBER LIGHT ON. REMOVED AND REPLACED LEFT ENGINE OIL TEMP BULB IAW AMM 79-31-01-4 OPS CHECKED NORMAL, PART EFFECTIVITY VERIFIED, ACFT WAS GROUNDED.