What was found
HYD Y SYSTEM LO PR ECAM MESSAGE WITH THE ASSOCIATED HYD Y RSVR LO LVL AND ENGINE 2 PUMP LO PR MESSAGES..... UPDATED MAA CODE FIX USING VENDOR MAA SCREEN PLEASE CONTACT TOMC BEFORE COMMENCING ANY WORK. CONTACT TOMC 847-700-9980 UPON A WALKAROUND INSPECTION FOUND HYD FLUID ACCUMULATION AT PANEL 196BB, AND THROUGH FURTHER INVESTIGATION FOUND FLUID SAMPLING VALVE LEAKING. REMOVED AND REPLACED O RING AT FLUID SAMPLING VALVE REFERENCE AMM TASK 29-13-34-400-001-A. OPS CHK GOOD, LEAK CHK GOOD. OK FOR SERVICE.PARTS USED: 00-0585-3-0326,QTY :1