As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTED DURING DECENT AND APPROACH DETECTED AN ODOR LIKE BURNT METAL ON TOAST, BETWEEN ROW 6-7, OF THE MID CABIN. MAINTENANCE NOTED SMELL IN MID GALLEY OVEN AND EXPRESSO MAKER AREAS. 2 MID GALLEY OVENS, 2 COFFEE MAKERS AND 2 EXPRESSO MAKERS WERE INSPECTED AND REPLACED. AMTS NOTED NO WIRING DEFECTS IN THE MID GALLEYS THEMSELVES. NO ODORS NOTED AFTER COMPONENTS WERE REPLACED. (SEE AALA201701179017 (COFFEEMAKER), AALA201701179018 (OVEN) & AALA201701179019 (ESPRESSO MAKER)