What was found
AFTER TAKEOFF ENG 1 HYDRAULIC LOW PRESSURE LIGHT. GROUNDED - YES. PERFORMED B737-800 FIM 29-10 TASK 812, FOUND SYS A EDP SUPPLYING ONLY 200 PSI. THEN PERFORMED FIM TASK 29-10 TASK 810, STEP G RECOMMEND REPLACEMENT OF HYDRAULIC SYS A EDP. FOUND SYS A EDP HYD PRESSURE HOSE ASSY BROKEN OFF FROM PYLON SIDE. HYD PRESS HOSE ASSY REPLACED PER B737-800 AMM 29-11-11. SYS A EDP REMOVED. INSTALLED HYD SYS A ENGINE DRIVEN PUMP (EDP), OPS CHK GOOD HYD A SYS PSI AT 3000, NO LEAKS FOUND, OPS CHK GOOD REF AMM 29-11-11-400-801-001.