As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TYS - A/C WAS TAXIING FROM THE GATE WHEN CREW SMELL SMOKE IN THE CABIN AND RETURNED BACK TO THE GATE. MAINTENANCE REMOVED THE SIDEWALL PANEL AT SEAT 8A AND PLACED ON MEL IAW MEL 33-20-00/1 "CAT'. ON THE 24TH BNA MAINTENANCE CORRECTED THE MEL BY MECHANIC E4464 BY REPLACING THE BULB ASSEMBLY AND BULB IAW EMB 145 AMM 33-21--06. OPS CHECK GOOD AND MEL WAS RELEASED.