What was found
UPON TAKEOFF RECEIVED A HYD 3 LO PRESS CAUTION MESSAGE FOLLOWED BY A GEAR DISAGREE WARNING MESSAGE WITH THE LANDING GEAR HANDLE SELECTED IN THE €ŒUP€? POSITION. COMPLIED WITH QRH AND RETURNED TO FIELD FOR A NORMAL LANDING. (FLT 4981) CLOSED INSPECTED AND FOUND NR 3 HYDRAULIC SYSTEM AT 100%. AFTER PURGING AIR FROM NR 3 HYDRAULIC SYSTEM FOUND LEVEL TO BE AT 40%. SERVICED NR 3 HYDRAULIC SYSTEM REFERENCE IAW AMM. PERFORMED OPS CHECK OF GEAR EXTENTION/RETRACTION SYSTEM IAW AMM. OPS CHECK GOOD. PERFORMED OPS CHECK OF NR 3 HYDRAULIC SYSTEM PRESSURE INDICATIONS IAW AMM. OPS CHECK GOOD.