As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT 3512, GREEN HYDRAULIC SYSTEM FAILURE INDICATION. EMERGENCY DECLARED. CREW MADE AN EMERGENCY LANDING. HYDRAULIC QTY ANNUNCIATOR ON GREEN SYSTEM INDICATED 1/4, QRH PERFORMED EMERGENCY LANDING. MAINTENANCE REMOVED AND REPLACED O-RING, SERVICED HYDRAULICS, AND REPLACED EDP. ALL CHECKS GOOD.