As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 470 RSW-BOS, CREW DECLARED EMERGENCY DUE TO GREEN HYD SYSTEM LOST FLUID. PUMP SECURED NOT PRESSURIZED WITH FLUID AMBER. REMOVED AND REPLACED "O" RING ON CHECK VALVE FOR GREEN PRESS LINE ON NR 1 ENGINE AT ENGINE DISCONNECT. RESERVICED GREEN SYSTEM AND RAN ENGINE NR 1. OPS AND LEAK CHECK GOOD.