As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH LG GEAR HANDLE WOULD NOT MOVE FROM UP POSITION. CONDUCTED EMERGENCY GEAR EXTENSION IAW AOM 1, LANDED WITHOUT INCIDENT. LG HANDLE DISAGREE WARNING ON EICAS & 3 DOWN RED INDICATION ON GEAR. R & R LG CONTROL LEVER IAW AMM 32-32-02. PERFORMED OPERATIONAL CHECK OPERATIONS CHECKED GOOD NO DEFECTS NOTED.