As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: #1 COFFEE MAKER IN AFT GALLEY EMITTING AN ACRID/SULFUR ODOR #2 FLIGHT ATTENDANT TURNED OFF BOTH AFT COFFEE MAKERS AND ODOR DISSIPATED. REPLACED COFFEE MAKERS AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK WITH NO ODORS NOTED PER AMM 25-32-00.