As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE DETECTOR WENT OFF IN AFT RT SIDE LAV ON DESCENT. LEAD F/A FOLLOWED PROCEDURE TO SILENCE IT. PERFORMED GVI OF LAV FOR INDICATIONS OF SMOKE NON NOTED. REMOVED AND REPLACED RT AFT LAV SMOKE DETECTOR PER AMM 26-13. PERFORMED LAV SMOKE DETECTION TEST PER AMM 26-13. OPS CHECK GOOD A/C OK FOR SVC NO 30 DAY HISTORY. (LP4999580)