As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING CLIMB, THE RT ENGINE OIL TEMPERATURE EXCEEDED 135 DEG C. THE EVENT MARKER WAS PUSHED. THE POWER REDUCED AND OIL TEMPERATURE WAS 30 TO 35 DEGREES HIGHER THAN LT ENGINE. THE ACFT RETURNED TO POINT OF ORIGIN. TROUBLESHOOTING IN PROGRESS.