As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: HYD GREEN RSVR LO LVL INFLIGHT EXTEND LANDING GEAR MANUALLY. REMOVED AND REPLACED NO.1 ENG GREEN HYDRO ENGINE DRIVEN PUMP IAW AMM 29-11-51. ALSO CHANGED CASE DRAIN, FILTERS ON GREEN SYSTEM AND CHANGED HCU PIPE ON NO.1 ENGINE.