As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAV SMOKE MASTER WARNING DISPLAYED AND AUDIBLE ON TAKE OFF. UNABLE TO DUPLICATE ISSUE. INSPECTED #2 DAU AND FOUND THE CONNECTOR GUNKED. CLEANED CONNECTOR AND R+R DAU IN REF TO AMM 31 14 01. ALSO R+R LAV SMOKE PANEL AS PREVENTATIVE MX IN REF TO AMM 26 14 02. OPS CHECK GOOD. OK FOR SERVICE