As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#779, JFK-MLB. (AIRCRAFT DECLARED AN EMERGENCY AND PERFROMED AN AIR TURN BACK TO JFK) 'FUME EVENT IMMEDIATELY AFTER TAKE OFF VERY STRONG SMELL OF SOCK ODOR DID NOT GO AWAY UNTIL AFTER LANDING. INDFLIGHT CREWMEMBER BECAME VERY SICK APU WAS OFF. EMERGENCY RETURNED TO JFK.' (SUPPLEMENTAL INFORMATION TO FOLLOW)