As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SOLVENT SMELL COMING THROUGH PASSENGER CABIN. SMELL SEEMS TO BE COMING THROUGH A/C SYSTEM. TURNED PACK 1 OFF AND BACK AFTER ABOUT 5 MINUTES AND SMELL INTENSIFIED MOMENTARILY. CHECKED CABIN FOR SMELLS ON ARRIVAL AND RAN PCA AIR TO CLEAR CABIN OF SMELLS. PERFORMED EMB-175 FIM TASK 21-20-00-810-803 AND 21-20-00-810-801 WITH NO ABNORMALITYS NOTED. AC OK FOR SERVICE