What was found
ON TAXI OUT GOT EICAS MESAGE L HYD QTY FOLLOWINED BY CAUTION BEEPER EICAS MESSAGE L HYD SYSTEM PRESS. STATUS PAGE SHOWED L HYD QTY 0.17 RF. FOUND BROKEN / DAMAGED HOSE FROM RUDDER RATIO CHANGER (REF LEAK CODE 320-6-3 LEFT TO PCA HOSE ASSY). REPLACED PER AMM 20-10-10 WITH FLEX LINE . NO LEAKS NOTED. LH HYD SYS IS SERVISE TO FULL . DEFERRED FLEX LINE PER MX TRACKING PER GMM 07.04 PERFORMED REINSPECTION EVERY DAY. PLACARD INSTALLED MBCB NEXT C-CHECK. FLEX LINE WAS R&R WITH RUD CONTROL RAIO CHANGE HOSE IAW AMM 27-21-15. LEAK CHECK GOOD PLACARDS REMOVED. CLEARS DI 50561.