What was found
LOST NR 1 ENG, HYD SYS IN FLT. PILOTS REPORTED NR 1 ENG EDP & ELEC PUMP LIGHTS ILLUMINATED DURING FLT. THE EDP REMAINED ILLUMINATED WHILE ELEC LIGHT SWITCHED OFF. PRESSURIZED HYD SYS -A- IAW FIM 29-30 TASK 812. CONDUCTED NR 1 ENG DRY MOTOR PROCEDURE IAW AMM 71-00-00-700-821-F00. NOTICED HYD SYS -A- PRESSURE REMAINING INOPERATIVE. DETERMINED NR 1 ENG EDP TO BE INOPERATIVE. FOLLOWED FIM 29-30 TASK 812. FOUND PRESSURE LINE AT PYLON PULLED OUT. INSPECTED LINE & NIPPLE. FOUND TOP TOOTH SHEARED OFF ON NIPPLE & PRESSURE LINE SEPARATED FROM INSIDE THREADS. REMOVED THE PRESSURE LINE. CONNECTED HOSE TO EDP & INSTALLED LOWER TWO CLAMPS. ONCE NEW NIPPLE IS INSTALLED IAW CMM 72-30-01 & AMM 70-20-02-400-801-F00. INSPECTED AND REPLACED EDP CASE DRAIN FILTER AS A PRECAUTION. NO DEBRIS FOUND. R & R FILTER, REMOVED PRESSURE HYD LINE NIPPLE FITTING IAW AMM 54-51-01