As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 3354 ECAM MESSAGE SMOKE CAB REST SMOKE CAME BACK TOP OF DESCENT. TRIED MULTIPLE RESETS NO SUCCESS. CORRECTIVE ACTION: PERFORMED BITE CHECK. FOUND SMOKE ALERT DETECTOR NOT IN POSITION. REPOSITIONED SMOKE DETECTOR ALERT. BITE CHECK GOOD. (4429166)