As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT RETURNED TO PLATFORM DUE TO RT HYD HIGH TEMPERATURE INDICATION. AIRCRAFT WAS TAKEN TO THE MAINTENANCE HANGAR AND DURING OVERNIGHT SERVICE AT MEX. THE HYD RELIEF VALVE AND THE TEMPERATURE SENSOR WERE REPLACED IAW MM 29-10-12, TESTS WERE PERFORMED IAW MM 29-30-03, ALL OK.