What was found
DURING CLIMBOUT LEVEL AT 10000FT 300KTS CAPTS EFIS SCREENS BEGAN TO FLICKER ACCOMPANIED BY A CASCADE OF LIGHTS EICAS MSGS AND THEN A STRONG ELECTRICAL BURNING SMELL/SMOKE STRONGEST ON CAPTS SIDE. OVERWEIGHT APPCH AND TOUCHDOWN. BRAKES OK CREW EXPERIENCED A LT BUS TRIP, PERFORMED BPCU BITE PER FIM 24-22-02 FOUND LT GEN UNDER VOLT TRIP WITH A GCU FAIL MSG R&R LT GCU PER AMM 24-22-02 OPS CHECK GOOD PERFORMED FURTHER INSPECTION OF COCKPIT FWD AND MAIN E&E COMPT FOR POPPED CB`S OR EVIDENCE OF BURNT COMPONENTS TO ISOLATE ELECTRICAL SMOKE, SMELL NEVER FOUND REF L/P 4410318 & 4410319 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1442382 S/N OFF 04769 UNIT, GENERATOR OFF 99-2411-9-0001 4769 ON 99-2411-9-0001 4134.