As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: STRONG ODOR THROUGHOUT CABIN. ACCOMPLISHED DECONTAMINATION OF PACK IAW AMM 21-00-01 NO ABNORMALITIES NOTED. REMOVED AND REPLACED L/R RECIRCULATION AIR FILTER IAW AMM 21-25-01; AND REMOVED AND REPLACED LEFT RECIRCULATION FAN IAW AMM 21-25-02.