As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE/FUMES IN CABIN CAUSING LAV SMOKE DETS TO GO OFF. DIVERTED TO RIC. L PACK TURNED OFF SMELL DISSIPATED. RAN ENGS AND PACKS. RAN PACKS TOGETHER AND ISOLATED UNABLE TO DUPLICATE. DUE TO HIST L PACK FWD TO MCO. ATL MTC WILL REPLACE NO.1 ENGINE.