What was found
GREEN SYS HYD HI TEMP LIGHT ILLUMINATED ON FLIGHT PERFORMED QRH, NOTIFIED DISPATCH AND MAINTENANCE CONTROL AND RETURNED TO MSP. MAINTENANCE T/S AND SUSPECT NR 3 EDP P/N 521449, S/N OFF F9727550, S/N ON F1217006ACH, IAW AMM 29-10-17, 201 OPS AND LEAK CHECK GOOD.