As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING CRUISE FLIGHT AT FL260, THE OIL TEMPERATURE WAS OBSERVED TO EXCEED THE RED LINE. THE PILOT PERFORMED AN EMERGENCY DESCENT TO FL20 AND DECLARED AN EMERGENCY. THE ENGINE WAS REDUCED TO IDLE POWER DURING DESCENT AND THE ACFT WAS LANDED UNEVENTFULLY. TROUBLESHOOTING IS ONGOING.