As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 0474 - GSO - THE GREEN SYSTEM HYDRAULIC QUANTITY DECREASED SLOWLY INTO THE RED BAND WHILE IN FLIGHT. THE AIRCRAFT WAS DIVERTED TO GSO WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND A HYDRAULIC LINE ON THE RT MLG LEAKING. THE HYDRAULIC LINE WAS REPLACED. THE HYDRAULIC SYSTEM WAS SERVICED AND LEAK CHECKS WERE GOOD. (W)