As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 DC GENERATOR WOULDN'T COME ON LINE, NR 2 DC GENERATOR HOT CAUTION LIGHT ILLUMINATED AND SMOKE AND SPARKS CAME FROM NR 2 ENGINE. REMOVED AND REPLACED RELAY 3421K2, REMOVED AND REPLACED NR 2 DC GCU AND STARTER GENERATOR IAW 24-30-02R, OPS GOOD PERFORMED HIDDEN DAMAGE INSPECTION AND NO DAMAGE NOTED.