As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NRT - FLIGHT ATTENDANT REPORTED ODOR AROUND COFFEEMAKERS 7 AND 8 AND SAW WHAT APPEARED TO BE SMALL AMOUNT OF SMOKE. CIRCUIT BREAKERS PULLED. SMELL SLOWLY DISCIPATE. TURNED OFF INFLIGHT ENTERTAINMENT AND SMELL COMPLETELY DISCIPATED. FLIGHT LANDED NRT WITHOUT INCIDENT. REPLACED BOTH COFFEE MAKER. SYSTEM GROUND CHECK NORMAL OPERATION.