As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE HAS HISTORY OF OIL UNDER ENGINE FOUND DURING WALK AROUND. WHEN PERFORMING PART POWER LEAK CHECK FOUND NR 1 ENG IDG PAD LEAKING OUT OF SERVICABLE LIMITS. REMOVED & REPLACED MAGNETIC SEAL AMM REF 72-60-00-000-801-F00 REMOVED & RE-INSTALLED NR 1 IDG AMM REF 24-11-11-400-801. LEAK & OPS CHECKED GOOD.