As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#1295, JFK-AUS. 'STRONG DIRTY SOCK SMELL REPORTED BY INFLIGHT BELOW 4 K ON APPROACH FLYING THROUGH MULTIPLE LAYERS OF CLOUDS AT THE TIME SMELL DISSIPATED UPON LANDING NO ODOR DETECTED ON GROUND; C/W INFORMATION NOTED 2017 - T015 SECTION B 1 PER TSM 05 - 50 -00 -810 -831 -A. FOUND SOURCE OD ODOR TO BE PACK 1.