What was found
LOWER LOBE CREW REST AREA HAS BURNING PLASTIC ODOR WHEN FIRST ENTERED, DISSIPATED, AIR ENTERING AREA HAS NO ODOR, CREW SHUTOFF ENTRY LIGHTS, AND HEATER OFF. ACCOMPLISHED CHECK OF AREA UNABLE TO DUPLICATE ODOR, AS PER FLT CREW VERBAL SUSPECT ODOR TO BE THAT OF CLEANING MATERIALS FROM PREVIOUS STN. LEFT BUNK LIGHTS ON FOR 1 HOUR TO SEE IF ODOR CAME FROM LENS COVERS, NO ODOR NOTED.