As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON LANDING UNSAFE LEFT GREEN MAIN LANDING GEAR INDICATION DID NOT ILLUMINATE, AND LDG GR HANDLE RED LIGHTS ILLUMINATED). BEGAN TO CLIMB AND RED LIGHTS EXTINGUISHED INDICATING GEAR DOWN . LANDING WAS UNEVENTFUL. MAINTENANCE ADJUSTED THE LEFT MAIN GEAR DOWN AND LOCK SWITCH. GROUND OPS CHECKS GOOD. SUCCESSFUL OPERATIONAL CHECK FLIGHT WAS PERFORMED. AIRCRAFT WAS RETURNED TO SERVICE.