What was found
SUSPECTED FUME EVENT. STRONG DIRTY SOCK SMELL DESCENDING THROUGH 10,000 FT. WHICH LASTED APPROXIMATELY 3 MINUTES. REMOVED HEPA FILTER PERFOMED GVI IT WAS CLEAN AND NO SIGNS OF OIL OR CONTAMINATION. REINSTAILLED HEPA FILTER AFTER VISUAL INSPECTION IAW AMM 21-25-02-4. ALSO DISCOVERED LT ENGINE OIL WAS OVERSERVICED, IT WAS SHOWING 21 OTS AT BLOCK IN. DRAINED TWO QUARTS OIL FROM LT ENG. NOW INDICATES 19 QUARTS. IAW AMM 79-11-00. PERFORMED EXENDED HIGH POWER RUN PER JRH. OPERATED PACKS FROM FULL COLD TO FULL HOT SEVERAL TIMES, RAN WITH PACKS AT HIGH TEMP FOR 20 MINUTES NO SMOKE, OR FUMES NOTED FROM EITHER PACK.