What was found
(CAN) DURING CLIMBING THROUGH FLIGHT LEVEL 140, NR 1 HYD FLUID HOT CAUTION ILLUMINATED WITHIN 5 MIN, HYD QTY STARTED DECREASING & NR 1 HYD PRECAUTION ILLUMINATED HYD NR 1 QTY STARTED SHOWING ZERO. FIM 29-30-00-810-803 FOLLOWED FOR NR 1 HYD FLUID HOT CAUTION OBSERVED NR 1 CASE DRAIN FILTER SLIGHTLY CONTAMINATED SAME REPLACED IAW AMM 29-11-29-000-801. FURTHER OBSERVED NR 1 HYD PUMP, EDP, BURNED WITH FEW HOLES ON THE BODY. NR 1 EDP REPLACED WITH S-1 IAW AMM 29-11-01-000/400-801. POST INSTALLATION CHECKS C/O FOUND NO CAUTION LIGHT. NR 1 HYD SYSTEM BLEEDING C/O IAW AMM 29-10-00-870-801. POST BLEEDING OBSERVED HYD QTY DECREASE WITHIN AMM LIMIT. FLUSHING OF THE NR 1 HYD SYS C/O IAW AMM 29-10-00-617-602, DUE TO EDP FAILURE. DUE TO CONTAMINATION NR 1 HYD PRESSURE AND RETURN FILTER ALSO REPLACEMENT INSTALLATION CHECKS C/O FOUND SATISFACTORY.