As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH OF FLIGHT 2288 MKE-IAD THE CREW SELECTED GEAR DOWN BUT NOSE GEAR INDICATOR DID NOT ILLUMINATE. THE CREW HAD THE FIRE TRUCK ROLL AS A PRECAUTION. THE CREW MADE AN UNEVENTFUL LANDING. MECHANIC REPLACED THE BULBS AND RELEASED THE AIRCRAFT.