As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#562, SJU-BOS. LEVEL 2 ODOR EVENT. DISSIPATED WITH PACK 1 TURNED OFF VIA ODOR CHECKLIST. DIRTY SOCK/ BURNT CRAYON; REMOVED AND REPLACED LH OZONE FILTER IAW AMM 21-51-41, AND RECIRCULATING FILTERS IAW AMM 21-21-41. INSPECTED APU COMPARTMENT NO LEAK NOTED. COMPLIED WITH INFO NOTICE 2017-T015L. DECONTAMINATION LEVEL C WAS ACCOMPLISHED PER TSM 05-50-00. A/C OK SVC.