As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - CREW REPORTED NOSE LANDING GEAR UNSAFE LIGHT ILLUMINATED AND WOULD NOT EXTINGUISH. CYCLED GEAR AND NO HELP. EMERGENCY DECLARED VERIFIED GEAR EXTENDED AND LANDED AT DFW WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED NOSE GEAR GROUND INTERLOCK SWITCH. SYSTEM GROUND CHECKED NORMAL OPERATION.