As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT HYDRAULIC TEMP HI YELLOW CAS CAME INTO VIEW WHILE IN DESCENT INTO KAUS. RIGHT HYDRAULIC TEMP READ 100 DEGREES CELSIUS PER HYDRAULIC SCHEMATIC DISPLAY. TEMP WENT DOWN TO 70 CELSIUS AFTE RH HYD SOV WAS CLOSED AS PER THE QRH. RAN BOTH ENGINES AND HYD PUMPS FOR 15 MIN. R/H WAS 18 DEG HOTTER. R&R R/H HEAT EXCHANGER BYPASS VALVE.