As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: FWD LAVATORY SMOKE LIGHT ILLUMINATED AT CRUISE FOR APPROXIMATELY 60 SECONDS, THEN EXTINGUISHED; NO SMOKE OR DETECTOR TAMPERING PRESENT. ACCOMPLISHED A FUNCTIONAL TEST OF THE SMOKE DETECTOR IAW AMM 26-14-00, OPS CHECK GOOD.