As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FA'S AND PAX REPORT VERY STRONG EXHAUST FUMES IN THE CABIN, EXCESSIVE FROM NORMAL-PER TSM 05-50-00-810-831-A IDENTIFICATION OF CAUSE FOR CABIN ODOR INSPECTED #2 PACK. NO FAULTS NOTED AS PRECAUTICIONARY R&R CIRCULATION FILTERS IAW AMM 21-21-45. PERFORMED ENGINE RUN IAW AMM 71-00-00. NO DEFECTS NOTED AT THIS TIME. A/C OK FOR CONT'D SER.