What was found
ENG 1 LOW PRESSURE LIGHT LIGHT ON ENG DRIVEN NO 1 HYDRAULIC PUMP LOW PRESSURE ILLUMINATED IN FLT. RAN QRH PICTURE ADDED. REMOVED ENGINE NUMBER 1 ENGINE DRIVEN HYDRAULIC PUMP(EDP) PER INFO ONLY HYD PUMP INSTALLED UP TO ITEM I . REF AMM 29-11-11-400-801-001. EC/RA #7900-01440 AND AMM 29-11-11-000-801-001 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1826476 SN OFF 0410 WILL REQUIRE POWERPLANT TEST REF 71-00-00-800-811-F00 ADD EMP:391342 ADD EMP:U032200,U390078,U390203 PUMP, HYD ENG D OFF 29-2910-9-0003 0410 ON 29-2910-9-0003 1896 ACCOMPLISHED OPERATIONAL TEST OF #1 ENG HYD P[UMP REF MM29-11-11-400-801-001. NO LEAKS NOTED DURING TEST