What was found
DURING CRUISE, SYSTEM A HYD QTY SHOWED APPROXIMATELY 71%. SYSTEM A FLUCTUATED FROM MID 70% TO AS LOW AS 61% IN A TIME SPAN OF 10 TO 15 MINUTES. THE SYSTEM A PRESSURE FLUCTUATED WILDLY BETWEEN 3060 LBS TO 3010 LBS DURING THE SAME TIME PERIOD. ON RETURN, THE A SYSTEM RATE OF 1% QTY DECREASE WAS NOTED EVERY 5 MINUTES. ACFT GROUNDED. RAN A AND B SYSTEM HYDRAULICS FOR 1 HOUR. INSPECTED ELEVATOR FEEL COMPUTER, NO LEAKS FOUND. MOVED ELEVATOR, NO PRESSURE OR QUANTITY FLUCTUATIONS NOTED. COCKPIT QUANTITY INDICATION MATCHES QUANTITY SHOWN ON RESERVOIR.