What was found
FLIGHT 4168 (RIC TO CVG) HAD HYDRAULIC SYSTEM 3 LOW PRESSURE CAUTION CAME ON AND GEAR DISAGREE AFTER TAKEOFF. LOW PRESSURE SHOWING 100% QUANTITY. THE CREW STATED THAT QRH STARTED TO TURN ON 2ND HYDRAULIC 3 PUMP. SINCE IT WAS ALREADY ON, THEY CYCLED IT OFF AND BACK ON, AND THE QUANTITY WENT TO 80% AND ALL WORKED NORMAL. THE FLIGHT CONTINUED TO CVG WITHOUT FURTHER ISSUES AND LANDED SAFELY. GEAR EXTENDED NORMALLY. BLED AIR FROM NR 3 SYSTEM. PERFORMED FUNCTIONAL CHECK OF LANDING GEAR PER MM 32-30-00. RETRACTION TIMES AND PRESSURES AS FOLLOWS 3A RETRACT 16 SEC/2300 PSI > 3A EXTEND 17 SEC/2300 PSI / 3B RETRACT 16 SEC /2300 PSI > 3B EXTEND 16 SEC/2300 PSI / 3A+B RETRACT 13 SEC/2900PSI / 3A+B EXTEND 12 SEC/2900 PSI. NR 3 HYD QUANTITY WITH PRESSURE 85% PRIOR TO BLEED AND 55% AFTER BLEED.