As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIRTY SOCK ODOR ON DESCENT & APPROACH. FOUND OIL STREAKS IN THE NR 1 ENGINE LP STUB SHAFT. REMOVED AND REPLACED NR 1 ENGINE LPT TURBINE SHAFT BLIND CAP SEAL PER AMM 72-51-41-400, NR 5 BEARING JET OIL TRANSFER TUBE PACKINGS PER AMM 72-50-50, NR 5 BEARING COMPARTMENT COVER SEAL PER AMM 72-51-41.