What was found
SMOKE REPORTED IN THE CABIN, THE TOILET SMOKE DETECTOR WENT OFF. DECLARED AN EMERGENCY. SMOKE DISSIPATED DURING LANDING. (FLT 6367) NO SMELL OF SMOKE IN CABIN, PULLED LIGHT PANEL IN LAV AND INSPECTED WIRING, NO DEFECTS NOTED, INSPECTED LIGHTS IN AFT OF CABIN NO DEFECTS NOTED, RAN AC PACKS IN COLD AND HOT NO DEFECTS NOTED - RAN ENGINES WITH AC PACKS IN HOT AND COLD NO DEFECTS NOTED. COULD NOT DUPLICATE.