As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED. GREEN HYDRAULIC SYSTEM QUANTITY LOW AND PUMP PRESSURE 0 INFLIGHT. AN EMERGENCY WAS DELCARED AND THE AIRCRAFT RETURNED TO SYR WHERE IT LANDED SAFELY WITHOUT FURTHER INCIDENT. FOUND RIGHT HAND MAIN LANDING GEAR DOOR BYPASS VALVE CRACKED. REPLACED VALVE, SERVICED GREEN HYDRAULIC SYSTEM AND ACCOMPLISHED A SATISFACTORY LEAK AND OPERATIONAL CHECK, PER AMM 32-13-000-001-A.