As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELEC SMELL IN AFT CABIN DURING CRUISE. SUSPECT CHILLER. TURNED GALLEY OFF FOR DURATION OF FLIGHT. RAN PACKS, OVENS, COFFEEMAKERS, CHILLERS, NO EVIDENCE OF ELECTRICAL ODOR. CLEANED DIRTY WATER INSIDE OF AFT GALLEY OVENS. AFT GALLEY CHILLER NR 1 DEFROST BULB ILLUM. A/C OF SVC. ETOPS CATEGORY 'E': PROBLEMS WITH SYSTEMS CRITICAL TO ETOPS.