As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED. AFT LAVATORY D SMOKE DETECTOR AURAL WARNING WAS CONTINUOUSLY SOUNDING. WHEN ALERT STOPPED, THE GREEN LIGHT ON THE DETECTOR WAS NOT SHOWING. REMOVED AND REPLACED SMOKE DETECTOR PER AMM 26-14-01. OPERATIONAL CHECK GOOD.