As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW RECEIVED AN ECAM GREEN SYS LOW QUANTITY. FLIGHT CREW FOLLOWED FCOM PROCEDURES AND DECISION WAS MADE TO DIVERT AND DECLARED AN EMERGENCY. ACFT LANDED WITHOUT INCIDENT AND TAXIED TO THE GATE UNDER POWER. MAINTENANCE TROUBLESHOT LEAK TO NR 1 ENGINE PYLON. FOUND HYDRAULIC LINE CHAFED AND LEAKING. HYDRAULIC LINE REPLACED IAW AMM 29-11-49-000-008-A AND AIRCRAFT WAS RETURNED TO SERVICE.