As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACFT WAS ON APPROACH INTO BNA WHEN SMOKE WAS SEEN COMING OUT FROM UNDERNEATH THE F/O DASH. MX R&R THE RT W/S IAW EMB 145 AMM 56-10-01. PRESSURIZATION CHECK/LEAK CHECK GOOD. IAW EMB 145 AMM 21-31-00. ACFT RELEASED AFTER ALL CHECKS BACK TO SERVICE.