What was found
ENG 2 PUMP LOW PRESSURE LIGHT ILLUMINATED. QRH CHECKLIST COMPLETE BY TURNING OFF ENG 2 HYD PUMP. GROUNDED - YES. REMOVED & CLEANED PRESSURE SWITCH. NOTED NR 2 ENGINE LOW PRESSURE LIGHT STAYS ILLUMINATED & ENGINE ONLY PRODUCES 90 PSI DURING MOTORING. B737-900 AMM TASK 29-11-51-000-801 CASE DRAIN FILTER REMOVED, INSPECTED AND FOUND TO BE CONTAMINATED. REMOVED AND REPLACED SYSTEM B ENGINE DRIVEN PUMP, PER AMM 29-11-51. REMOVED AND REPLACED ENG NR 2 EDP CASE DRAIN FILTER MODULE, PER AMM 29-11-51. REMOVED AND REPLACED ENG NR 2 EDP HYD SUPPLY LINE, PER B737-900 FIM 29-10 TASK 813. PERFORMED HYD SYSTEM "B" FLUSHING, PER AMM 29-11-00-170-801. ALL CHECKS NORMAL. NO DEFECTS NOTED AT THIS TIME, A/C OK FOR SVC.