As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 152, LGA-DEN. CABIN ODOR DURING APPROACH AND LANDING BY FLIGHT ATTENDANTS AND PASSENGER LEVEL 2 PERSISTENT. FOUND AFT CARGO DOOR SELECTOR VALVE LEAKING HYD FLUID REPLACED SELECTOR VALVE AS PER AMM 53-36-00 REPLACED BOTH CABIN RECERC FILTERS ACCOMPLISHED PACK BURN AS PER IN REF 2017-T015I CHANGED BOTH OZONE FILTERS SEE LP 3242738 NO ODOR NOTED.