As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
VERY STRONG TURBINE ODOR COMING FROM BOTH AIR CONDITIONING PACS. TROUBLESHOT DISCREPANCY TO DIRTY OZONE CONVERTERS AND COALESCER SOCKS. CLEANED OZONE CONVERTERS AND REPLACED COALESCER SOCKS WITH NEW. OPS CHECK GOOD AND NO ODOR OF TURBINE EXHAUST. ALL WORK DONE IAW MM CH 21-52-00 AND CH 21-71-00. OCCURRED BEFORE DEPARTURE AT SAT.