As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON DECENT CREW REPORTED SMOKE IN AFT GALLEY AND LOUD POPPING SOUND, GALLEY COVERED IN WHITE DUST. NOTIFIED ATC/MAINT/DISPATCH. MTCE SUSPECTED COFFEEMAKER HOT WATER BLEW PLUG, AIRCRAFT LEFT WITH UTILITY BUSES OFF/REAR GALLEY CB'S PULLED. AREA INSPECTED FOUND COFFEEMAKER AT FAULT. NEW COFFEEMAKER INSTALLED IN POSN 1. RUN FOR 45 MIN NO FAULT FOUND.