As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORT: RECEIVED A FWD LAV SMOKE INDICATION. FLIGHT DIVERTED. CREW REPORT: RECEIVED A FWD LAV SMOKE INDICATION. NO VISIBLE SMOKE PRESENT. ALARM WAS RESET ON CIDS PANEL. FAULT WAS ACTUALLY WITH LAV F, WHICH IS AFT MOST LAV. INSPECTED AREA FOR ANY DISCREPANCIES, HEAT OR SMOKE, NO DISCREPANCIES FOUND. RAN TEST OF LAV SMOKE SYSTEM THRU SDCU, ALL TEST NORMAL. NO PROBLEMS NOTED ON PFR. NO SIGNS OF TAMPERING WITH SMOKE DETECTOR. OK FOR SERVICE.