What was found
LOW PRESSURE LIGHT FOR ELEC PUMP 1 ON WHILE IN FLIGHT. RAN ELEC PUMP 1 (SYS B). PRESSURE CLIMBS TO ONLY APPROX 1600 PSI THEN QUICKLY DROPS PSI. PUMP, HYD ELECT OFF 29-2910-9-0002 8366 ON 0000 PUMP, HYD ELECT OFF 29-2910-9-0002 8366 ON 29-2910-9-0002 1383 REMOVED AND REPLACED SYSTEM B ELECTRIC MOTOR DRIVEN PUMP REF AMM 29-11-21. DURING REMOVAL OF ELECTRIC PUMP, FOUND QUICK DISCONNECT SUPPLY LINE COLLAPSED. REMOVED AND REPLACED SUPPLY LINE REF AMM 29-11-21. REMOVED AND INSPECTED ACOUSTIC FILTER AND ADD EMP:U399308 FOUND NO DEBRIS, REINSTALLED ACOUSTIC FILTER REF AMM 29-11-27. PERFORMED OPS CHECK OF SYS B EDMP SEVERAL TIMES, SYS B HOLDS PRESSURE AT 3100 PSI. CYCLED FLIGHTS CONTROLS SEVERAL TIMES, NO DESPCREPANCIES NOTED, LEAK CHECK GOOD AT THIS TIME. PARTS USED: 00-0583-3-9845,QTY :1 40-0595-3-1983,QTY :1 00-0585-3-0397,QTY :1 40-0595-3-1976,QTY :1 29-2910-9-0002,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1772283 SN OFF 8366