As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#779, JFK-MBJ. CREW INFLIGHT AND FLIGHT NOTICED PUNGENT DIRTY SOCKS FUMES IN THE DESCENT CAUSING ORAL AND THROAT IRRITATION PERSISTENT; C/W NOTICE 2017 -J015 SECTION A . ISOLATED ODOR FAULT . IDENTIFIED AND DETERMINED TO BE AN AMBIENT SMELL. T/C PERFORMED PER 05 -50 -00 -810 -088-A. AC CONSIDERED OK FOR SVC. MCC NOTIFED.