What was found
FLT#1527, POP-JFK. 'STRONG DIRTY SOCK ODOR SMELL AS ENTIRE CREW ENTERED THE AIRCRAFT IN CABIN & COCKPIT; C/W INFO NOTICE 2017-T015, SECTION A, ISOLATED FAULT TO TYPE 10, "AMBIENT AIR ODOR". AMBIENT AIR MAY SMELL MUSTY DURING PERCIPITATION/HIGH HUMIDITY. THE ODOR IS NO LONGER PRESENT, THERE IS NO CORRECTIVE ACTION. THERE IS NO EVIDENCE OF OIL LEAKS IN APU COMPARTMENT. REF TSM 05-50-00-810-085-A. A/C OF FOR SVC.'