As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACFT LANDED SAFELY AFTER LOSING GREEN HYDRAULIC SYSTEM QUANTITY AND DECLARING AN EMERGENCY. THE CREW ENTRIES: "HYD GREEN RSRV LO LEVEL IN FLIGHT" AND " HYD GREEN ENG 1 PUMP LO PR IN FLIGHT". MAINTENANCE FOUND PRESSURE RELIEF LINE BROKEN AND PROCEEDED TO REPLACE IT AND COMPLY WITH ALL ASSOCIATED INSPECTIONS AND MAINTENANCE PROCEDURES.