As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAVATORY SMOKE DETECTOR SOUNDED AFTER ROTATION. WOULD NOT GO OFF. RETURNED TO FIELD. TURNED OFF CABIN LIGHTS AND PSU. ALARM STOPPED. INSPECTED FWD CABIN AREA AND LAVATORY FOR HIDDEN DAMAGE IAW SPECIAL PROCEDURES 33.1. NO ODOR OR DAMAGE FOUND.