What was found
TAKEOFF PLUS TEN MINUTES EICAS LT HYD QTY, CREW NOTED QTY AT .60 & DECREASING AT A RATE OF APPROX .10 MINUTE. 5 - 6 MINUTES LATER LT HYD QTY WAS 0.00. EICAS LT HYD SYS PRESS FOLLOWED. LT HYD PUMP ELEC & ENG SHUTOFF AS DIRECTED BY QRH. HYD QTY WAS NEAR 0 AT PUMP SHUTOFF. ALTERNATE FLAP & GEAR EXTENSION WARE REQUIRED. CHECKED & FOUND LEAK FROM LT LG DOWN LOCK ACTUATOR FLEX LINE. R & R FLEX LINE IAW SP 20-10-10-4 & PERFORMED CHECK IAW MM 32-32-02-4. CHECKED PRESS & RETURN FILTER ELEMENTS & FOUND CLEAN, NO SYS FLUSH REQUIRED. R & R LT EDP IAW MM 29-11-05-4-1 & FILTER ELEMENTS IAW MM 29-11-17-4 AS A PRECAUTION. FLAPS & LG SYS SET BACK TO NORMAL. CONF HYD SYS SVCD TO FULL IAW SMP.