As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN STARTING NR 2 ENGINE, A BUSS FAULT OCCURED AND ENGINE STARTED. START SWITCH RETURNED TO NEUTRAL. MAIN BATTERY LOAD OF 1.99 AND ELECTRICAL ODOR IN FLT DECK. MAIN BATTERY TEMP IN YELLOW. NR 2 DC GENERATOR DID NOT COME ON LINE. R & R THE NR 2 START CONTACTOR 2431-K2 AND NR 2 STARTER GENERATOR IAW W/C 24-30-02R AND NR 2 DC GCU. GROUND RAN ENGINE. OPS AND LEAK CHECKED GOOD.