As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRW/DCA - FLT 3075 - THE NOSE LANDING GEAR CYCLES WHEN THE GEAR HANDLE IS SELECTED DOWN. ALTERNATE EXTENSION PROCEDURES WERE FOLLOWED. THE AIRCRAFT LANDED IN DCA WITHOUT INCIDENT. REMOVED AND REPLACED THE NOSE GEAR DOWNLOCK PROXIMITY SENSOR.