As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 3017 - ON APPROACH TO DTW, THE NOSE GEAR DOWN AND LOCKED LIGHT FAILED TO ILLUMINATE. THE CREW CYCLED THE GEAR UNTIL A DOWN AND LOCKED INDICATION WAS RECEIVED. MAINTENANCE REPLACED THE NLG TORQUE TUBE ARM ASSY. SYSTEM OPERATED SATISFACTORILY. (X)