What was found
AFTER TAKEOFF, HYD 2 HI TEMP CAUTION MESSAGE. RAN QRH. TEMPERATURE DECREASED BELOW THE 96 DEGREES. UPON LANDING, HYD 2 PRESSURE WOULD NOT GO ABOVE 1900 PSI AND REMAINED IN THE YELLOW WITH HYD 2B SET TO AUTO AND FLAPS EXTENDED. TRIED ON FOR 2B WITH SAME OUTCOME. ELECTED TO DO FLAPS 20 LANDING KNOWING R REV AND OB BRAKES POSSIBLY INOP. LANDED WITHOUT INCIDENT. REMOVED AND REPLACED THE #2 HYDRAULIC RESERVOIR IAW AMM. OPS AND LEAK CHECK GOOD AT THIS TIME, NO CURRENT HYD 2 HI TEMP CAUTION MESSAGE.