As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EN ROUTE ELECTRICAL SMELL IN AFT GALLEY BY C/B PANEL LEFT OF OVENS. RAN BOTH PACKS AND BOTH GALLEY VENTS FANS NO ELECTRICAL SMELL. PULLED OUT BOTH AFT GALLEY CIRCUIT BREAKER PANELS. NO SMELL OR SIGNS OF ELECTRICAL BURNS. RAN ALL OVENS AND COFFEEMAKERS. WENT DOWN TO CREW REST AND INSPECTED CONNECTIONS AND VENT LINES. NO DEFECTS FOUND. ETOPS CATEGORY 'B': DIVERSION OR TURNBACK