As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN CRUISE AT FL350, THE FLIGHT ATTENDANT REPORTED A "BURNING SMELL" NEAR SEAT ROW 27. THE UPPER & LOWER SIDEWALL CABIN LIGHTS WERE TURNED-OFF AND THE GALLEY POWER WAS SECURED. FURTHER REPORTS WERE THAT THE SMELL HAD DISSIPATED BY DESCENT TIME. LANDING AT BUF WAS UNEVENTFUL.