What was found
HYDRAULIC PRESSURE INDICATION BELOW 2800 PSI SYSTEM A LOW PRESSURE LIGHT ON ENG 1 EDP IMMEDIATELY AFTER TAKE OFF. LIGHT STAYED ON. PUMP TURNED OFF IAW CHECKLIST. PUMP SEEMED TO OPS NORMAL. WHEN GEAR HANDLE PLACED UP DURING T/O, LOW PRESSURE LIGHT FOR ELECTRIC PUMP ALSO FLASHED UNTIL GEAR WAS UP. PREFORMED ENG IDLE RUN IAW AMM 71-00-00-700-801-F00 ON ENG 1 FOR 5 MINS, LOW PRESSURE LIGHT ON EDP 1 REMAINED ON FOR THE DURRATION OF ENGINBE RUN. RAN ENGINE TO CONFIRM FAULT. REMOVED ENG NR 1 HYD. EDP IAW AMM 29-11-11-000-801-001. INSTALLED NR 1 ENG EDP IAW AMM 29-11-11-400-801, UP TP STEP 3. I. TESTS. ALSO CHKD NR 1 ENG CASE DRAIN FILTER FOR DEBRIS IAW AMM 29-11-11, & AMM 29-11-51, NONE FOUND, FILTER WAS CLEAN. R & R ENG 1 EDP CASE DRAIN FILTER ELEMENT IAW AMM 21-11-51-400-801. LEAK & OPS CHKD GOOD. REPLACED QD FITTING ON PYLON IAW DWG 312A2100. COMPLETED INSTALLATION OF LINE IAW 29-11-11-400-801-001. INSTALLED LINES AT QD. PERFORMED CONDITION.