As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DISCREPANCY: REFERENCE LP233878 FUME EVENT AFT OF ROW 22 "FUEL AND BURNING RUBBER" CORRECTIVE ACTION: PERFORMED T/S TO LEVEL A DECONTAMINATION REF TSM 21-00-00-615-802-*A COMPLETE BURN OFF OF BOTH PACKS AND ENG BLEED. NO SMELL OR FUME NOTED AIRCRAFT OK TO CONTINUE