As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE OF UNKNOWN ORIGIN COMING FROM GALLEY INFLIGHT. MX , SMOKE DAMAGED 60 HZ CONVERTER LOCATED BEHIND GALLEY TRASH BIN PANEL. PLUG REMOVED ON AFFECTED COMPONENT. (1) FLIGHT TO HOME BASE FOR FURTHER C/A ITEM ADDRESSED ACCORDING TO ACFT MEL PROCEDURES ACCOCIATED WITH NEF SECTION.