What was found
CREW REPORTED SMOKE IN THE CABIN DURING TAKEOFF, DECLARED EMERGENCY AND RETURNED TO FIELD AT CMH AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE PACKS, TAT PROBES, EBAYS, AND ENGS, PER EMB AMM AND RAN ENGINES ON GROUND FOR 19 MIN. MTX WAS UNABLE TO DUPLICATE ANY FAULTS & SMELLS, A/C WAS RELEASED BACK INTO SERVICE.