What was found
IN FLIGHT, HYD 1 LOW QTY MESSAGE APPEARED ON EICAS. CREW FOLLOWED QRH PROCEDURE 10-7. CREW NOTICED QTY DROPPING AND SUSPECTED NR 1 HYD SYSTEM FAILURE. CREW THEN FOLLOWED QRH 10-5 QTY INDICATION JUST ABOVE AMBER, GREEN IN FLT DECK WITH ENGINES SHUTDOWN. NR 1 HYD SYS SERVICED, SEQ 2. QTY DID NOT CHANGE WHEN ARRIVED. JACKED ACFT, DID RETRACTION & EXTENSION TEST IN REF TO MM 32-30-00. OPS CHECK GOOD AT THIS TIME. LOWERED ACFT. SERVICED NR 2 HYD QTY IN REF TO MM 12-13-01. OK FOR SERVICE.