As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 6712 - ATB - TO LAS DUE TO LEFT ENGINE OIL TEMPERATURE REACHING THE AMBER BAND. TEMPERATURE DECREASE WHEN THROTTLE PULLED BACK. CORRECTIVE ACTION: T/S R/R LET ENGINE EEC OIL HEAT EXCHANGER THERMOCOUPLE PER B757 AMM 79-34. R/R AIR/OIL HEAT EXCHANGER PER B757 AMM 79-21. LK CHECK GOOD. ADJ OIL PRESSURE PER B757 AMM 71-00. PERFORMED HIGH POWER ENGINE RUN, ALL OIL TEMP/PRESSURE INDICATIONS NORMAL.