As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: AN EMERGENCY WAS DECLARED COMMING INTO THE SCHEDULED DESTINATION OF PIT DUE TO A GREEN HYDRAULIC SYSTEM LOW LEVEL ECAM MESSAGE DURING DECSCENT, FLIGHT CREW REPORTED THAT THE RESERVOIR APPEARED TO HAVE FLUID. THE AIRCRAFT LANDED SAFELY AT PIT WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND THE # ENGINE HYDRAULIC PUMP PRESSURE SWITCH 1074GK LEAKING AND REPLACED IT PER AMM 29-11-17. A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED.