As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 6355 - IAD-TYS - THE LAV SMOKE WARNING CAME ON DURING DESCENT. AIRCRAFT WENT TO GATE, NO FURTHER INCIDENTS. MAINTENANCE OPENED DMI 8077, MEL 26-10, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. MAINTENANCE CLOSED DMI 8077 BY INSPECTION AND TESTING SMOKE DETECTOR, COULD NOT DUPLICATE AND NO DEFECTS NOTED. (M)