As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 6300 MCO-FLL - DURING CLIMBOUT A LAV SMOKE MESSAGE APPEARED ON EICAS AND A SLIGHT HAZE WAS NOTED IN THE COCKPIT. THE AIRCRAFT RETURNED TO THE FIELD FOR AN UNEVENTFUL LANDING. MAINTENANCE PERFORMED ENGINE RUNS IAW EMB 145 RR AMM 71-00-01. PERFORMED LAV SMOKE OPERATIONAL CHECK IAW EMB 145 AMM 26-14-00. ALL SYSTEMS OPS CHECK GOOD WITH NO DEFECTS NOTED.