What was found
DURING FLIGHT 3626, GREEN HYDRAULIC TEMP ILLUMINATED INFLIGHT, FOLLOWED QRH AND LIGHT EXTINGUISHED. DECLARED AN EMERGENCY. MAINTENANCE REMOVED AND REPLACED NR 3 EDP P/N 521449, S/N ON F9818779, S/N OFF F9932847 AMM 29-10-17. OPS AND LEAK CHECK GOOD.