As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKE OFF JUST AFTER ROTATION R ENG OIL TEMP WENT YELLOW @ 105* C. THEN 109* C. DURING THE COURSE CHANGE TURN THE R ENG OIL TEMP TURNED RED @ 117*C. STAYED THERE FOR APPROXIMATELY 3-5 SECONDS UNTIL LEVEL OFF AND POWER REDUCED TO 42 % AND OIL TEMP WENT TO 58*C. MAINTENANCE REPLACED THE RIGHT ENGINE OIL COOLER BYPASS VALVE. GROUND OPERATIONAL CHECKS PERFORMED WITH NO DEFECTS NOTED. A SUCCESSFUL OPERATIONAL CHECK WAS PERFORMED. AIRCRAFT WAS RETURNED TO SERVICE.