What was found
NO 2 ENGINE HYDRUALIC LOW PRESSURE LIGHT ILLUMINATED. B QUANTITY INDICATE 0. B PRESSURE IS STILL GOOD. PER QRH, NO. 2 ENGINE HYDRAULIC PUMP SWITCH TURNED OFF WHEN FLAPS WERE EXTEDED, TOTAL LOSS OF STSTEM B / FOUND 'O' RING LEAKING R/H SIDE MAIN WHEEL WELL 'B' SYS PRESSURE SENSOR, R&R'D 'O' RING PER AMM 20-10-17.DUE TO FLUID LOSE REPLACED 'B' ELECTRIC PUMP CASE DRAIN FILTER AND #2 ENG, HYD CASE DRAIN FILTER PER AMM 29-11-51 & 29-11-41. REPLENSIHED HYD. PER AMM 12-12-00, LEAK CK GOOD.