As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD - FLT 4246 - DURING CLIMB CREW REPORTED AN ELECTRICAL/SULPHUR ODOR IN THE COCKPIT AND THE FLIGHT ATTENDANT REPORTED A SMALL AMOUNT OF SMOKE IN THE CABIN. THE AIRCRAFT WAS RETURNED TO ORD AND THE SMOKE DISSIPATED DURING THE LANDING. MAINTENANCE REMOVED AND REPLACED THE NR 2 ACM IAW EMB MM. OPERAITONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)