What was found
EN ROUTE FROM PHX TO DTW THE FLIGHT ATTENDANT OBSERVED A ELECTRICAL BURNING ODOR IN THE FORWARD GALLEY, NR 1 COFFEEMAKER CIRCUIT BREAKER WAS FOUND TRIPPED, BURNING ODOR DISSIPATED. ISSUED MEL 25-22-03, COND 1 COFFEEMAKER INOP. WHEN AIRCRAFT ARRIVED BACK IN PHX, MAINTENANCE REMOVED AND REPLACED THE NR 1 COFFEEMAKER IAW T/C R1D25303. VENDORS FUNCTIONAL TEST OF COFFEE MAKER S/N 5999 CONFIRMED FAILURE OF UNIT. TEARDOWN OF UNIT FOUND LOWER PC BOARD SHORTED, REPLACED LOWER PC BOARD, CLEANED AND TESTED UNIT IAW CMM 25-30-09, REV. 5.