As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH OF FLIGHT 8324 EWR-BUF, THE PILOT REPORTED A GREEN HYDRAULIC SYSTEM CAUTION DURING DESCENT. THE CREW FOLLOWED THE PROCEDURES IN THE QRH AND DECLARED AN EMERGENCY. AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. A LEAK WAS FOUND FROM A LINE AT THE GREEN SYSTEM ACCUMULATOR. A CRACK IN THE UNION FITTING WAS FOUND. THE FITTING AND PACKING WAS REPLACED. THE SYSTEM CHECK GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.