As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#209, JFK-SQD. CABIN CREW REPORTED DIRTY SOCK SMELL IN MIDDLE TO AFT CABIN. ODOR REPORT FILLED OUT; COMPLIED WITH INFO NOTICE 2017T018K. DETERMINED THE SMELL ODOR COME FROM APU AND PACK TWO. PERFORMED PACK BURN WITH PNEUMATIC CART AND NO ODOR IN CABIN. ONLY PACK ONE IS GOOD.'