What was found
HYDRAULIC RESEVOIR LOW LEVEL INDICATED ON ECAM. FOLLOWED QRH PROCEDURE. UPON LANDING RESEVOIR QUANTITY RETURNED TO NORMAL. YET ENG 1 PUMP FAULT AND PTU FAULT REMAINED. EMERGENCY WAS DELCARED AND GEAR WAS MANUALLY DROPPED. PASSENGERS WERE ADVISE AND DID NOT BRACE FOR LANDING. FLIGHT LANDED WITHOUT INCIDENT AND TAXIED TO GATE ON IT'S OWN POWER. REPLACED GREEN SYSTEM HYDRAULIC RESERVOIR LOW LEVEL SENSOR PER AMM 29-11-41-400-003-A AND AMM 29-31-00-710-001-A.