What was found
AT CRUISE FL370 CARGO HEAT AFT EICAS LIGHT ILLUMINATED. CHECKED ELEC SYNOPTIC-SHOWED NO POWER LT MAIN BUS. FUEL SYNOPTIC SHOWED LT AFT AND RT FWD FUEL PUMP SHOWS INOP. DIVERTED TO JFK. DUMPED FUEL. LT NOZZLE SHOWS INOP ON SYNOPTIC W/EICAS AUTO JETTISON. NUMEROUS STATUS LIGHTS TO INCLUDE ELMS P110 PANEL. T/S PER FIM MSG24-18801 AND PER MCC REQUEST. SWAPPED P110 POWER SUPPLY CARD S/N-1819 WITH P310 POWER SUPPLY CARD S/N 1851. PERFORMED INITIAL SELF TEST ON MAT, NO FAULT. NO ACTIVE MSG, RAN BOTH ENGINES WITH ELECTRICAL LOADED ON. NO FAULTS.