As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAV SMOKE WARNING INTERMITTENTLY TRIPPING. LAVATORY SMOKE WARNING TRIPPING INTERMITTENTLY AFTER TAKE OFF. AROUND 1,000'. AFTER LANDING, CONTINUED TO SOUND AND CONTINUES TO RECEIVE WARNING. INSPECTED LAV SMOKE DETECTOR FOR DAMAGE. NO DAMAGE FOUND. RESET C/B AND ELECTRICAL CONNECTOR. TESTED SYSTEM SEVERAL TIMES. OPS CHECK OKAY. R&R SMOKE DETECTOR SENSOR. OPS CHECK SAT.