As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - FLT 2225 - DURING APPROACH DFW, GEAR WAS EXTENDED AND GREEN DOWN AND LOCK LIGHS DID NOT ILLUMINATE. GEAR WAS RECYCLED PER CHECKLIST AND THREE GREEN DOWN AND LOCKED LIGHTS ILLUMINATED. AIRCRAFT LANDED DFW WITHOUT FURTHER INCIDENT. REPLACED LANDING GEAR HANDLE SWITCH. ACCOMPLISHED GEAR SWING WITH NO PROBLEMS NOTED. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)