As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEVEL FLIGHT FL350 FA REPORTED A BURNING ODOR IN FC CABIN POSSIBLE ROW 3CD. NO EVIDENCE OF ODOR ON ARRIVAL. DEBRIEFED CREW AND ODOR LOCALIZED TO ROW 4CD. NO TROUBLE FOUND. C/W ODI STEPS PER A321 2172. C/W WORK CARDS 0550-2002 TYPE 9 FWD CABIN. ALL CKS GOOD.