What was found
CREW RECEIVED A HYD NR 1 LOW QUANTITY MESSAGE. CREW ELECTED TO RETURN TO DEPARTURE, BUT DID NOT DECLARE AN EMERGENCY. CREW LANDED AND TAXIED TO GATE WITHOUT INCIDENT. MAINTENANCE INSPECTED, R & R NR 1 ENGINE PSI HYD LINE FROM PYLON TO QD DISCONNECT IAW AMM AND OPS CHECKED GOOD.