What was found
(CAN) AN OPERATOR REPORTED THAT DURING FLIGHT THEY EXPERIENCED A RAPID HYDRAULIC LOSS FROM SYSTEM NR 2 AND AFTER LANDING THERE WAS AROUND 25 PERCENT REMAINING LEVEL. DURING INSPECTION DISCOVERED THAT HYDRAULIC LEAKAGE FROM EDP NR 2. THE ENGINE SUFFERED HYDRAULIC FLUID CONTAMINATION DUE TO EDP FAILURE. CLEANING WAS PERFORMED ON AFFECTED PARTS, ENGINE CHECKS FOR FAULT CODES AT THE MOMENT NO FAULT CODES EXPERIENCED AND ACFT IS BACK TO SERVICE.