As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RECEIVED A NR 2 IDG CAUTION MESSAGE IN FLIGHT AT 10,000 FT, RETURNED TO DEPARTURE. INSPECTED THE NR 2 ENGINE IDG AND SERVICED WITH 5 PUMPS OF OIL. OPS CHECKED GOOD IAW AMM 24-11-00. FOUND A DISCONNECTED WIRE ON CONNECTER P22EZ. REPAIRED IAW ESPM 20-17-10 OPS CHECKED GOOD.