As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, "A" FA REPORTED TRANSIENT FUMES (LEVEL 1 IN F.O.M.) WHEN FORWARD GALLEY UPPER COFFEE MAKER WAS TURNED ON. COFFEE MAKER WAS TURNED OFF AND FUMES DISSIPATED IMMEDIATELY. FA DESCRIBED THE FUMES SMELL AS MODERATELY STRONG AND ELECTRICAL POSSIBLY FROM "SPILLAGE IN BACK OF COFFEE MAKER". GROUNDED - YES. ISOLATED FUMES TO FWD GALLEY 1-1 COFFEE MAKER. REMOVED AND REPLACED COFFEE MAKER REF B737-900 AMM 25-32-01/401. OPS CKS GOOD.