What was found
ON CLIMBOUT AFTER RETRACTION RECIEVED A LEVEL 1 HYD 1 OFF. HSC SHUT OFF SYSTEM AND WE CONTINUED TO KIX ON ARRIVVAL AFTER FLAPS IS RECIEVED HYD 1 FAIL. PRESSURE AND QTY SYSTEM1 0 AND 0.3. PERFORMED HYDRAULIC SYSTEM EXTERNAL LEAKAGE IAW MM 29-00-00-6 HYD LEAK FOUND ON LT INTEGRATED BRAKE CONTROL VALVE HYD PRESS INLET LINE B-NUT HAS LOOSE. RETIGHTEN AND SECURED AND NO LEAKS ANYWHERE. NR 1 ENG HYD PUMPS NEED TO BE REPLACED DUE TO HYD QTY 0.