As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
COFFEEMAKER ELECTRICAL SPARKING. REPEATED ARCING NEAR MID GALLEY COFFEEMAKER PWRD OFF GALLEY & LTS. CONVERSATION WITH PURSER DESCRIBES 2 INSTANCES OF FLASH FROM BELOW COUNTERTOP AFTER POWERING OFF GALLEY. EXAMINATION OF AIRCRAFT GALLEY WIRING & COFFEEMAKERS REVEALS NO SIGNS OF ARCING. ALL DEVICES WERE OPERATED IN EXCESS OF 30 MINUTES WITH NO ANOMALIES NOTED.