As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RDD - GEAR HORN CAME ON IN FLIGHT AN UNABLE TO CANCEL UNTIL GEAR WAS EXTENDED. AIRCRAFT LANDED IN RDD WITHOUT INCIDENT. MAINTENANCE REPLACED FLAP SELECTOR AND PERFORMED AND OPERATIONAL CHECK OF FLAP AND GEAR WARNING SYSTEM AND FOUND TO BE OPERATING NORMALLY. AIRCRAFT RETURNED TO SERVICE. (W)