As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMBOUT PASSING FL250. THE LT HYD PRESS LOW MSG ILLUMINATED ON OAP. LT HYD QTY DROPPED TO 3 QTS, ACCOMPLIHED POM PROCEDURE FOR HYD PRESS LOW,HYD QTY LOW OR DECREASING AND FINALLY LT HYD SYS FAILURE. PRIOR TO ENG START THE HYD QTY READ L-16..RT-14. FOUND LT ENG CENTER HYD FLEX LINE FROM PYLON TO ENG BADREPLACED HYD LINE LEAK CHECKS GOOD