As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUR MINUTES AFTER TAKEOFF WHILE CLIMBING TO CRUISE ALTITUDE, ENGINE OIL TEMPERATURE INDICATED 109C AND INCREASING (MAX 107C). HELICOPTER LANDED 2 MINUTES LATER AND ENGINE OIL TEMPERATURE HAD REACHED 133C. REMOVED AND REPLACED ENGINE IAW BH 407GX MM 407-A-71-73-01-01A-720A-A OPERATIONAL TEST COMPLETED. NO DEFECTS NOTED.