What was found
DURING DESCENT, NOTICED LT HYD PRESS READ 6 AT LAS QTY. AT LAS IT READ 12, PERFORMED QRH, HYD LEAK SUSPECTED. AFTER LANDING FLUID PRESS & QTY BOTH WENT TO ZERO. FOUND LARGE HYD PUDDLE BY AFT STAIRS. FOUND CRACK IN LINE BETWEEN LT TR CONTROL VLV & FILTER. REPLACED WITH FLEX LINE FROM FAK. DEFERRED IAW NEF 29-01 S1, DMI CN 15034. REPLACED FLEX LINE WITH RIGID LINE FROM LT T/R CONTROL VLV TO FILTER & OPERATIONS CHECKED & LEAK CHECKED IAW MM 78-30-00. OPERATIONS & LEAK CHECKED GOOD. THIS CLEARS NEF 29-01 SIT 1 CTRL 15034 NEF CONTROL LOG UPDATED.