As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON APPROACH INTO OMA, LANDING GEAR WAS EXTENDED, RIGHT MAIN GEAR DOWN/LOCKED LIGHT FAILED TO ILLUMINATE. COCKPIT LIGHT TESTED GOOD. EMERGENCY GEAR EXTENSION WAS PERFORMED IAW WITH CHECKLIST. RIGHT GEAR DOWNLOCKED WAS STILL NOT ESTABLISHED. EMERGENCY LANDING WAS PERFORMED. AIRCRAFT THEN ACCOMPLISHED FERRIED FLIGHT TO DUNCAN AVIATION AT LINCOLN. DUNCAN FOUND DOWNLOCKED INDICATION. REPLACED FAULTY SWITCH. (M)