As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DEPARTURE, UNABLE TO RETRACT LT MAIN LANDING GEAR. RETRACTION OF OTHER GEAR NORMAL. WITH HANDLE IN UP MODE, HAD GREEN LT MAIN LIGHT AND AMBER GEAR LIGHT AND AMBER DOOR LIGHT. EICAS GEAR DISAGREE AND GEAR DOOR MSG'S. FOUND LT GEAR LEVELING CYLINDER RETURN LINE LEAKING. REPLACED LINE. LEAK CHECKED SATISFACTORY. RESET FUSE PER M/M 32-32-19-4-00.