What was found
(CAN) HYD 1 FLUID HOT CAUTION ILLUMINATED. DEFECT ACTION LEAK ON ENGINE DRIVEN HYDRAULIC PUMP ENG 1 FOUND. HYDRAULIC QUANTITY AFTER LANDING 10%. ENG 1 HYDRAULIC PUMP REPLACED IAW AMM 29-11-01-000/400-801 2. FLUSHING OF HYDRAULIC SYSTEM NR1 PERFORMED IAW AMM 29-10-00-617-802. PERFORMED BLEEDING OF HYD SYS NR 1 IAW AMM 29-10-00-870-801 REV 50 3. PERFORMED REPLACEMENT OF ALL THREE FILTERS ON FILTER MANIFOLD OF HYD SYS NR 1 IAW AMM 29-11-32-000/400-801 REV 50 PRESSURE FILTER AMM 29-11-33-000/400-801 REV 50 RETURN FILTER AMM 29-11-34-000/400-801 REV 50 CASE DRAIN FILTER 4. HYD FLUID FROM SYSTEM NR 1 SENT TO ENG DEPARTMENT FOR ANALYSIS.