As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#1 ENGINE OIL SHOWS OIL LEAKING THAN EXPECTED. ENGINE POWER RUN REQUIRED. GROUNDED - YES. FOUND ENG 1 IDG PAD DRAIN LEAKING 6 DROPS/MIN AFTER ENGINE SHUTDOWN. REMOVED AND REPLACED #1 ENGINE IDG REF B737-900 AMM 24-11-11. FOUND #1 IDG SEAL DAMAGED. RAN #1 ENGINE AND OPS AND LEAK CHECK GOOD REF AMM 71-60-00 AND AMM 24-11-00. (REF ASA LP 60545723).