What was found
FLT 228 - KDAY-KMCO - DURING CRUISE NR 2 GENERATOR UNPARALLELED LIGHT CAME ON. FREQS NORMAL, VOLTS ERRATIC. TURNED GENERATOR OFF. DISCONNECTED GENERATOR AFTER ELECTRICAL SMOKE FILLED COCKPIT. MAINTENANCE FOUND VOLTAGE REGULATOR BAD. SMOKE CAUSED BY OVERHEATING. DEFERRED NR 2 GENERATOR SYSTEM PER MEL 24-1. VOLTAGE REGULATOR REPLACED UPON ARRIVAL AT KDAY. SYSTEM OPS CHECKED GOOD AND DMI WAS CLEARED.