As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED. SMOKE DETECTOR IN THE FORWARD LAVATORY WARNING INDICATION WENT ON AND OFF 3 OR 4 TIMES IN ABOUT A MINUTE. NO EVIDENCE OF SMOKE. PERFORMED TEST OF THE SMOKE DETECTOR IAW AMM 26-17-00. NO FAULTS FOUND. OPERATIONAL CHECK GOOD.