What was found
FLT 894, STI-EWR. PASSING THRU 14,000 ON DECENT, CAPT SMELLED DIRTY SOCK ODOR ALSO NOTICED HP VALVES WERE OPEN, ON BLEED PAGE. ISOLATED NR 1 PACK AND SMELL WENT AWAY CABIN ATTENDANTS DID NOT SMELL ANYTHING. COMPLIED WITH INFO NOTICE 2017-T015C SECTION A. A/C OK FOR SERVICE RUN ENG NR 1 AND PACK 1 FOR 10MINS. COULD NOT DUPLICATE ODOR.