As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 3342 - ON APPROACH TO DTW, THE NOSE GEAR DOWN AND LOCKED LIGHT FAILED TO ILLUMINATE AFTER GEAR EXTENSION. THE CREW CYCLED THE GEAR UNTIL THE LIGHT ILLUMINATED. MAINTENANCE CLEANED AND LUBRICATED THE DOWNLOCK SWITCHES. ALL CHECKS SATISFACTORY. (M)