As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, FA REPORTED SLIGHT BURNING ODOR NEAR ROWS 23-27. JUMPSEAT PILOT INVESTIGATED TWICE AND NOTICED AN INTERMITTENT VERY SLIGHT ODOR OF DIESEL OR BURNED RUBBER. 20 MIN LATER FA REPORTED NO ODOR. PERFORMED CONDITIONAL INSPECTION AND ODI PREVENTION CHECKLIST NO ELECTRICAL BURN ODOR NOTED. IAW AMM 05-51 AND FIM 21-00-00.