As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB THE AIRCRAFT HAD SMOKE IN CABIN. AIRCRAFT MADE AN EMERGENCY LANDING AT IAD. DURING THE INCIDENT THE FLIGHT ATTENDANT USED PBE'S. MAINTENANCE INSPECTED AND REMOVED AND REPLACED NR 2 PACK AIR CYCLE MACHINE AND SYSTEM OPS CHECKED GOOD.