As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED ON FLIGHT 4869 DURING CLIMBOUT SMOKE SMELL IN CABIN AT ROWS 1-9. CREW DIVERTED TO BUF. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED BALLAST AT ROW 4A IAW EMB 135 AMM33-21-03. OPERATIONAL CHECK GOOD IAW EMB 135. AIRCRAFT RETURNED TO SERVICE.