As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOR FLIGHT 4144 A BURNING ELECTRICAL ODOR WAS DETECTED AROUND ROW 12. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED ROW 11 AND 12 LEFT SIDEWALL BALLASTS IAW EMB-145 AMM 33-21-03. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.