What was found
ON FINAL APPROACH GEAR LOWERED, ENTIRE ELECTRICAL SYSTEM BEGAN TO CHATTER AND LIGHTS FLICKER. FLIGHT INSTRUMENT CRT'S BLANKED. SELECTED EMERGENCY POWER FLIGHT INSTRUMENTS AND OPERATION RETURNED. REMOVED LEFT CONVERTER UNIT AND LEFT TRANSFORMER. CLEANED LARGE AMOUNT OF DE-ICING FLUID FROM THE EQUIPMENT BAY. REPLACED CEU AND TRANSFORMER, NO HELP. FWD LEFT GEN TO MCO. EPCU FAULTS LT CONVERTER EU FAILED AND LT CONVERTER POWER FEEDER. REPLACED CEU AND FOUND CONV TRANSFORMER ASSEMBLY TO HAVE A BURNT ELECTRICAL SMELL. REPLACED SAME AND OPERATION NORMAL.