What was found
LG LEVER DISAG RED CAS: ON FINAL APPROACH, WE RECIEVED A LG LEVER DISAG CASS MESSAGE. WE COMPLIED WITH THE QRH PROCEEDURE (EAP12-3). AFTER CYCLING THE GEAR, A LOUD BANG WAS NOTED COMING FROM THE NOSE GEAR. THE FREE FALL HANDLE WAS THEN PULLED TO GET A THREE GREEN INDICATION. AIRCRAFT LANDED UNEVENTFULLY.