As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT RECEIVED ECAM GREEN HYD SYS LOW LEVEL WARNING. HYD QTY ON OVERHEAD PANEL INDICATED ZERO. CONSULTED THE QRH AND MANUALLY EXTENDED THE LANDING GEAR. FOUND HYD LEAKAGE CAME FROM THE GREEN SERVO CONTRO FILTER. REMOVED AND REPLACED THE PUMP DELIVERY FILTER ASSY, REMOVED AND REPLACED THE NR 1 AND 2 GREEN ENGINE PUMP AS PER AMM 29-11-32-04.