As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRZ FL 330, FLT ATTENDANT REPORTED BURNED RUBBER SMELL IN AREA OF ROWS 33 THROUGH 35. AFTER ABOUT 10 MINS SMELL DISAPPEARED. NO VISIBLE SMOKE NOTICED. REMAINDER OF FLT NORMAL. INSPECTED AREA 33 THROUGH 35 & GALLEYS, CARGO COMPARTMENTS OVERHEAD. FOUND NO DEFECTS.