As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT CREW REPORTED A BURNING ODOR FROM COFFEEMAKERS BY THE L1 DOOR. COFFEEMAKERS TURNED OFF. ODOR DISSIPATED. MX FOUND PLASTIC CUP RESIDUE ON LOWER COFFEE DISPENSER HOT PLATE. CLEANED DEBRIS AND ALL RESIDUE. OPS CHECKS GOOD. ALL NORMAL.