What was found
ON DESCENT BTW 7000' & 4000' FUMES WERE SMELT IN CABIN & COCKPIT ODOR WAS DESCRIBED AS OILY SOCK SMELL. ACCOMPLISHED GROUND ENGINE RUN NR 1 ENGINE, SHUTDOWN THEN RAN NR 2 ENGINE WITH PACKS ON ENGINE BLEED ONLY, NO ODOR OR SMELL IN COCKPIT OR CABIN NOTED, OK FOR SERVICE 1 OTHER ODOR REPORT IN 30 DAYS. NO SMELLS REPORTED ON RETURN TO LAX (SAME CABIN CREW, DIFFERENT FLIGHT CREW).