As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: FALSE LAVATORY SMOKE INDICATION, FLIGHT ATTENDANT RESET PROCEDURE ACCOMPLISHED, NO RE OCCURRENCE. TRASH BIN EMPTY AND LAVATORY BLOCKED FOR BALANCE OF FLIGHT. PERFORMED LAVATORY SMOKE DETECTION "FORWARD" TEST PER AMM 26-14-00. OPERATIONS NORMAL.