As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMBOUT, THE NR 2 ENGINE INTEGRATED DRIVE GENERATOR LOW OIL PRESSURE LIGHT ILLUMINATED. AIRCRAFT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE NR 2 ENGINE INTEGRATED DRIVE GENERATOR, LEAK AND OPERATIONAL CHECK OK.