As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED SMOKE TOILET MESSAGE IN FLIGHT. MESSAGE CLEARED BEFORE RUNNING QRH. CREW RETURNED TO FIELD. MAINTENANCE INSPECTED, R & R LT AND RT ACM, WATER SEPARATOR COALESCER SOCKS AND PERFORMED CHECKS. ACFT RELEASED FOR SERVICE. WORK ACCOMPLISHED IAW AMM.