As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENTERING THE AIRPLANE, SEVERE CIGAR LOUNGE SMOKE LOUNGE ODOR THAT GETS WORSE TOWARDS THE BACK OF CABIN. NOT A BURNING OR CHEMICAL ODOR. REPLACED O-ZONE CONVERTER GEN AS PRECAUTION. AIRCRAFT OKAY FOR SERVICE. (LP 8441274 - AIRCRAFT WAS GROUNDED)