As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLE FLIGHT NR 3898 THE CREW REPORTED A BURNING SMELL COMING FROM THE COFFEE WARMERS WHEN EVER THEY WERE ON.MAINTENANCE INSPECTED AND REPLACED THE RECEPTACLE PLUG FOR THE WARMER. OPERATIONAL CHECKS WERE GOOD. THE AIRCRAFT WAS RELEASED FOR SERVICE.