What was found
COMPLETE LOSS OF SYS B HYD ON ARRIVAL QUANTITY AT ZERO ENGINE DRIVEN PUMP SERVICED B SYSTEM IN ORDER TO RETRACT FLAPS/SLATS. NO LEAKS PICTURES ADDED REMOVED AND REPLACED B SYS RETURN FILTER, EMDP CASE DRAIN NOTED DURING ELECTRIC DRIVEN PUMP OPERATION. DRY MOTORED #2 AND FILTER, AND EDP CASE DRAIN FILTER REF AMM 29-11-61, 29-11-41, NO PRESSURE FROM ENGINE DRIVEN PUMP AND MAJOR HYDRAULIC LEAK AND AMM 29-11-51. NO DEBRIS FOUND IN REMOVED FILTERS (SEE NOTED FROM SHAFT SEAL DRAIN. UNABLE TO PRESSURIZE B SYSTEM WITH PHOTOS) ADD EMP:U375582 REMOVED AND REPLACED #2 ENG EDP REF AMM 29-11-11-400-801-001. OPS AND LEAK CHECK GOOD. PARTS USED: 29-2910-9-0003,QTY :1 ADD EMP:U114836,U375582 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1825440 SN OFF 2618 PUMP, HYD ENG D OFF 29-2910-9-0003 2618 ON 29-2910-9-0003 2830