As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#679, JFK-MKE. 'AFT FA HAD REPORTED A FUMES EVENT. TRANSITORY ON DEPARTURE. MORE PERSISTENT ON ARRIVAL / APPROACH.” NO PRIOR 30 DAY HISTORY FOR CABIN ODOR; PERFORMED APU BLEED CHECK PACK 1 AND PACK 2 CHECKS AND OPERATED BOTH ENG BLEEDS WITH NO CABIN OR COCKPIT ODOR NOTICED.A/C OK FOR SVC.'