As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 481 SMF-SNA: DURING CLIMB, CREW NOTED THE NR 2 ENGINE DRIVE LIGHT ILLUMINATED. THE CREW FOLLOWED THE QRH AND DISCONNECTED THE NR 2 IDG. AIRCRAFT LANDED IN SNA WITHOUT FURTHER INCIDENT. MAINTENANCE PERFORMED A BITE CHECK ON THE NR 2 GCU WITH NO FAULTS INDICATED. MAINTENANCE FOUND NR 2 IDG OIL OVER SERVICED AND DRAINED TO WITHIN LIMITS. PERFORMED NR 2 ENGINE RUN WITH OPERATIONAL CHECK OF IDG NORMAL. AIRCRAFT WAS RETURNED TO SERVICE.