As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX COMPLAINING OF A SMOKE SMELL IN THE AFT HALF OF THE CABIN."TRANSFERRED TO NRWC 613-DFW-03690-C/A-FOUND MUFFLER CONNECTING RECIRC. FAN 2 AND PACK 2 TO BE DISCONNECTED. REINSTALLED MUFFLER TO RECIRCULATION FAN 2 AND FUSELAGE FITTING IAW EMB 145 AMM 21-24-02. OPC, LEAK AND SMELL CHECK GOOD IAW EMB 145 AMM 21-00-00. NO FURTHER SMELLS DETECTED.