As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 3019, GSO TO CLT, DURING INITIAL CLIMB AT APPROXIMATELY 2,000 FT THE FLIGHT ATTENDANT REPORTED VISIBLE SMOKE IN THE CABIN EMANATING FROM THE GASPER VENTS. THE FLIGHT CREW CONTACTED DEPARTURE TO RETURN TO FIELD AND FOLLOWED APPROPRIATE QRH CHECKLISTS. THE FLIGHT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT AND RAN ENGINES AND TRACED THE SOURCE OF THE SMOKE TO THE AFT CABIN RECIRCULATION FAN. THE RECIRCULATION FAN WAS REPLACED AND THERE WERE NO FURTHER SIGNS OF SMOKE.