What was found
DURING CLIMB, LT HYDRAULIC QTY WENT TO 3 PRESS 0, LT HYD PRESSURE LOW ANNUN, DID QRH CHK LIST. FOUND LT ELEVATOR POWER CONTROL HYDRAULIC LINE RUPTURED NEAR UNION AT THE CONTROL VALVE, REMOVED AND REPLACED RUPTURED LINE. AIRCARFT TAIL SWAP WITH N814NK.