As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMBOUT NOTICED RT PROP OIL TEMP IN YELLOW ARC (>77 DEGREE, MAX LIMIT) AT 40 PERCENT TG IT WAS RIGHT AT THE MAX LIMIT OF 77 DEGREES. EVEN AT GROUND IDLE IT WAS AT MAX LIMIT. MAINTENANCE REMOVED AND REPLACED RT OIL PRESS/TEMP GAUGE WITH SERVICEABLE UNIT P/N 523525 IAW SF340 MM, ALL CHECKS GOOD AT THIS TIME.