What was found
WHILE ON CLIMBOUT, LOST NR 1 DC BUS, CAPTAIN'S INSTRUMENTS LIGHTS OUT, 1 AND 2 ENGINE OIL TEMP, OIL QTY, CSD NR 1 FUEL FEED PUMP NR 1 ALT FUEL PUMP, HYD QTY. RETURNED TO MIAMI WITHOUT INCIDENT. WHEN PUT GEAR DOWN, ALL ABOVE RETURNED TO NORMAL. REMOVED AND REPLACED NR 1 LOAD MONITOR RELAY IAW 24-20-8, SYSTEMS OPS NORMAL NR 1 BUS.