As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO IAD. AT 20K FT DURING CLIMBOUT GREEN HYDRAULIC SYSTEM LOW LEVEL ECAM MESSAGE DISPLAYED. FLIGHT CREW EXTENDED THE LANDING GEAR MANUALLY AND LANDED AT IAD SAFELY WITHOUT FURTHER INCIDENT WHERE THE AIRCRAFT WAS TOWED TO THE GATE. HEAVY LEAKAGE WAS REPORTED AT THE RIGHT WHEEL WELL FORWARD BULKHEAD AND MAINTENANCE FOUND THE GREEN HYDRAULIC SYSTEM SAFETY VALVE 49GA RUPTURED AND DAMAGED. MAINTENANCE REPLACED THE SAFETY VALVE PER AMM 32-31-17 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.