As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: CREW RECEIVED A HYDRAULIC G SYSTEMLOW LEVEL ECAM MESSAGE. EMERGENCY WAS DECLARED. MAINTENANCE TROUBLESHOT AND FOUND #1 ENGINE GREEN HYD LINE DAMAGED. REMOVED AND REPLACED THE LINE IAW AMM 29-11-49. LEAK CHECK GOOD.