As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WASD GROUNDED: IN CRUISE, LOSS OF GREEN HYDRAULIC QUANTITY. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO CLT WHERE IT LANDED SAFELY WITHOUT FURTHER INCIDENT. REPLACED # 1 ENGINE GREEN HYDRAULIC SYSTEM PUMP AND ACCOMPLISHED A SATISFACTORY LEAK / OPERATIONAL PER AMM 29-11-51.