As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT ATTENDANT SMELLED BURNING COMING FROM GALLEY AREA EN ROUTE, TURNED OFF ALL ELECTRICAL SWITCHES AND FANS, SMELL WENT AWAY. CLEANED OFF BURNT COFFEE RESIDUE FROM HOT PLATE ON COFFEEMAKER, RAN COFFEE HOT PLATE, COULD NO LONGER SMELL BURNING SMELL REF GMM 25-2-02.