What was found
DURING APPROACH, THE FLIGHT CREW REPORTED THAT THE GEAR FAILED TO EXTEND AND HAD TO ACCOMPLISH AN ABORTED APROACH. DURING THE GO AROUND THE FLIGHT CREW RECYCLED THE GEAR HANDLE AND THE GEAR CAME DOWN AND LOCKED. THE AIRCRAFT LANDED WITH NO FURTHER INCIDENT. THE AIRCRAFT WAS GROUNDED. MAINTENANCE REPLACED THE LANDING GEAR CONTROL LEVER IAW AMM 32-31-11-0401 AND THE LANDING GEAR SELECTOR VALVE IAW AMM 32-31-12. A SATISFACTORY OPERATIONAL CHECK OF THE LANDING GEAR EXTENSION AND RETRACTION SYSTEM WAS ACCOMPLISHED.