As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A WALK AROUND, FOUND OIL BEHIND IDG AIR/OIL COOLER IN TR IN NR 2 ENGINE. ACFT GROUNDED. FOUND THE NR 2 IDG TO BE LOW AND HAD A HISTORY OF EXCESSIVE SERVICING. REMOVED AND REPLACED NR 2 IDG AIR/OIL COOLER IAW AMM 24-11-21. OPS AND LEAK CHECKED GOOD.