As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FA REPORTED STRONG ODOR (STRONG, SWEET ODOR) AT ROWS 24 - 27 WHICH STARTED AROUND 7000' MSL AND DISSIPATED SLIGHTLY BUT WAS STILL PERCEPTIBLE AT GATE ARRIVAL. MAINTENANCE DECONTAMED THE PACK SYSTEM & REPLACED THE HEPA FILTERS.