What was found
ON DECENT, EN ROUTE RECEIVED ECAM MESSAGE GREEN HYDRAULIC SYSTEM LOW QUANTITY; DECLARED EMERGENCY, NO NOSE WHEEL STEERING, AIRCRAFT TOWED OFF RUNWAY. MAINTENANCE FOUND GREEN SYSTEM HYDRAULIC PRESSURE LINE CHAFED AND LEAKING IN LT WHEEL WELL ON AFT SPAR BETWEEN RIBS 2 AND 5. PERFORMED REPAIR IAW AMM 20-23-11, PG. 201, LEAK CHECK WAS GOOD.