As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 631 - MDW - A/C DIVERTED TO DSM, EMERGENCY DECLARED, LANDING UNEVENTFUL. NR 2 ENGINE OIL TEMPERATURE PEGGED FULL SCALE DID NOT SHUT ENGINE DOWN DUE TO NR 1 ENGINE GENERATOR PROBLEM. REPLACED OIL FILTER AND OIL TEMPERATURE BULB. OPS CHECK NORMAL IAW MM 79-34-21. (M)