As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE BOARDING PROCESS, F/A AND AGENT BOTH SAW AND HEARD ELECTRICAL POP AND FLASH COMING FROM THE COFFEEMAKER AREA IN FORWARD GALLEY. NO CIRCUIT BREAKERS WERE POPPED. MX RAN FORWARD GALLEY OVEN AND BREWED COFFEE. NO DEFECTS NOTED. NO CIRCUIT BREAKERS TRIPPED. ACFT OK FOR SERVICE.