As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 832 STI-JFK, CREW DECLARED EMERGENCY DUE TO HYD G LOW LVL RSVR ECAM ILLUMINATED DURING DESCENT. HYD PAGE SHOWED LVL LOW, ECAM ACTION APPLIED. QRH CONSULTED. UPON INSPECTION FOUND CHECK VALVE 1050GM LEAKING. REMOVED AND REPLACED CHECK VALVE IAW 29-11-06. LEAK CHECK OK.