What was found
LOW PRESSURE HYDRAULIC PUMP SYSTEM B. CAPTAIN REPORTED THAT DURING CRUISE THE LOW PRESSURE HYDRAULIC PUMP SYSTEM B LIGHTS TURNED ON, SO FLIGHT CREW ACCOMPLISHED THE QRH 13.6 PROCEDURE. MAINTENANCE PERSONNEL PERFORMED REVISION DETECTING THE HYDRAULIC LINE LOOSED AND DAMAGED INDUCING LEAKING IAW FIM 29-30 TASK 813 PROCEDURE; SO THE HYDRAULIC PRESSURE LINE P/N 155016-20-11 WAS REPLACED IAW AMM 29-11-21, TESTED CORRECT. AT MEX, AS PRECAUTIONARY ACTION, THE RIGHT HYDRAULIC PUMP WAS REPLACED IAW AMM 29-11-11, TESTED CORRECT.