What was found
(CAN) AIR RETURN DUE TO RT HYDRAULIC PRIMARY PUMP INOPERATIVE, QRH STATES 3 REQUIRED BEFORE ETOPS ENTRY, ELECTED TO RETURN LT AFTER DISCUSSION WITH MOC. RESOLUTION: RT ENGINE EDP REPLACED IAW AMM 29-11-05-404-115-0-01. REPLACED CASE DRAIN FILTER IAW 29-11-17-404-028. REPLACED RT PRESSURE FILTER IAW 29-11-17-404-028, REPLACED RT RETURN FILTER IAW 29-11-15-424-016. ENGINE MOTORED AND LEAK CHECKED, HYD SERVICED. FULL FLIGHT CONTROL CHECK CARRIED OUT. ALL SYSTEMS SERVICEABLE.