As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH NR 4 GENERATOR UNPARALLEL LIGHT AND BUS POWER FAIL LIGHT ILLUMINATED. PERFORMED ABNORMAL CHECKLIST. AIRCRAFT LANDED AT DESTINATION UNEVENTFUL. RESET NR 4 GENERATOR SYSTEM IN ACCORDANCE WITH MM 24-5-1 ENTERED ON DMI 16156 PER MEL 24-1 GEN NR 4 INOP. REMOVED AND REPLACED GENERATOR CONTROL UNIT IAW MM 24-20-1, OPS CHECK NORMAL. DMI CLEARED ON LOG PAGE 107253.