As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMBOUT FROM CVG RECEIVED SMOKE FWD LAV WARNING MSG, ACCOMPANIED BY BURNING ODOR IN COCKPIT. RAN QRH, EMERGENCY DECLARED. A/C RETURNED TO CVG LANDED SAFELY. INSPECTED A/C CHECKING FOR BAD ELECTRICAL COMPONENTS, NO DEFECTS NOTED. SUSPECT RESIDUAL FROM COMP WASH, RAN A/C FOR EXTENDED PERIOD AND SMELL HAS DISSIPATED.