What was found
DURING CRUISE AT FL380, NR 2 HYD QUANTITY STARTED DECREASING EVENTUALLY READING 0 PERCENT, A FEW MINUTES LATER HYD 2 LOW PRESSURE MESSAGE CAME ON, CREW FOLLOWED AOM. ON FINAL, NR 2 PRESSURE DROPPED TO NEAR 0 AND EDP 2A CAUTION MESSAGE CAME ON FOR A TOTAL OF ABOUT 15 MINUTES. RAI E2 EDP, OPS CHECK GOOD. RETURNED AIRCRAFT TO SERVICE. (M)