What was found
UPON GEAR RETRACTION, HYD A-SYS QTY, FELL FROM 3.5 TO 1.625 GALLONS. UPON BLOCK, FOUND 3 GALLONS IN SYS, BELIEVE AIR IN SYS FROM PREVIOUS MX REF WRI 29-10/378. SERVICED HYD AS REQ, CYCLED FLT CONTROLS SEVERAL TIMES AND NO LEAKS OR QTY DROP NOTED. OK FOR SERVICE.