What was found
NR 2 GENERATOR FAILED AFTER TAKEOFF AT AROUND 6000 FEET. GEN BUS OFF LIGHT ILLUMINATED, PERFORMED GEN BUS OFF LIGHT QRH. AFTER GENERATOR WAS RE ENGAGED GEN BUS OFF LIGHT ILLUMINATED AGAIN, FREQUENCY WAS ZERO VOLTS WERE NORMAL. TRANSFERRED TO DMI # 33700047 CAT B DUE IN 3 FLIGHT DAYS. IAW B737 KC2 MEL REF 24-1-1B, SPECIAL PROCEDURES 24-01-01B REQUIRED, PLACARDS INSTALLED