What was found
HYD B RSVR LOW LEVEL IN CRUISE FLIGHT, BLUE ELEC PUMP PLACED OFF BEFORE QUANTITY REACHED ZERO. T/S FOUND BLUE HYDRALIC PUMP RETURN LINE DAMAGED CHAFED BY ADJACENT BRAIDED HYD HOSE. INSPECTED BRAIDED LINE, NO DAMAGE. REPOSITIONED HOSE FOR PROPER CLEARANCE. REMOVED DAMAGED RETURN LINE IAW A319 AMM 20-23. INSTALLED BLUE HYD PUMP RETURN LINE. PERFORMED LEAK CHECK OF BLUE HYD SYS IAW A319 AMM 29-14-00. LEAK CHECK GOOD.