As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT CRUISE ALTITUDE RECEIVED GREEN HYD RESERVOIR LOW LEVEL ECAM MSG. PERFORMED ECAM & QRH PROCEDURES. DIVERTED TO CLT RUNWAY 18C AFTER MANUAL GEAR EXTENSION. FOUND GREEN HCU HYD LINE LEAK. REPLACED GREEN HCU HYD LINE IAW AMM 29-11-49-000-049-A6. AS A PRECAUTION CHANGED THE GREEN SYS HYD PUMP.