As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON WALKAROUND F.O. NOTICED OIL DRIPPING FROM #2 ENGINE COWLING. GROUNDED - YES. ACCOMPLISHED ENG VENTS AND DRAIN INSP PER B737-900 AMM 71-71-00. NBR 2 IDG LEAKING FROM IDG DRAIN PAD. 5 DROPS PER MIN DURING ENG RUN AND 11 DROPS STATICALLY. INSPECTED NO. 2 IDG FILTER FOR CONTAMINATION PER AMM 24-11-11. NO CONTAMINATION NOTED. REMOVED AND REPLACED NO. 2 IDG PER AMM 24-11-11. OPS AND LEAK CHECK GOOD. SUCCESSFUL GROUND VERIFICATION ACCOMPLISHED.