What was found
L HYD QTY EICAS MESSAGE WITH L RSVR LIGHT ILLUMINATED. HYD Q READS .47 AT THAT POINT. 0.39 AFTER 5-10 MINTUTES. SHUT OFF L ENG HYD PUMP PER MCC. DECREASED TO .30. SHUT OFF L ELEC HYD PUMP PER MCC AS WELL. DECREASING STOPPED AT .30. CORRECTIVE ACTION: INSPECTED FOUND NBR 5 SPOILER PCA LEAKING. REMOVED NBR 5 SPOILER PCA REF B757 AMM 27-61. INSTALLED NBR 5 SPOILER REF B757 AMM 2761. OPS CK AND LEAK CK GOOD. ALL RII STEPS C/W