What was found
LEFT HYD ENG DRIVEN PUMP LOW PREASURE LIGHT ILLUMINATED SWITC H OFF PER QRH MODULAR PACKAGE ASSY 276A2003-1, SEE PICS. CAPT REPORTS SYS A HYD QTY DROPPED TO 15 AT IT LOWEST. AFTER ENG DRIVEN PUMP WAS SHUTOFF PER QRH FLUID LOSS WAS MINIMIZED. ON ARRIVAL AT GATE LH WHEEL WELL WAS DRIPPING FLUID HEAVILY. WITH HYDRAULICS SHUT OFF FOUND ACTIVE LEAK COMING FROM SYS A FOUND PRESSURE TRANSDUCER FITTING ON "A" SYSTEM HYD PRESSURE PRESSURE LIGHT. REF: AMM 29-11-71, AMM 29-11-11, IPC 29-11-71 MODULE LEAKING FROM PINCHED/TORN O-RING PACKING. REPLACED AND AMM 12-12-00 PARTS USED: 40-0595-3-1985,QTY :1 PACKING, SERVICED RESERVOIR AND OPS/ LEAK CHECKED SYSTEM GOOD. ACCOMPLISHED EDP TEST WITH ALL OPERATIONS NORMAL- NO LOW.