As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON ENGINE SHUTDOWN, GROUND CREW REPORTED EXCESSIVE SMOKE COMING FROM NR 1 ENGINE TAIL PIPE. MAINTENANCE TROUBLESHOT. FOUND TURBINE EXHAUST BLADES WET WITH OIL. OIL BEGINNING TO POOL. IAW PROPULSION ENGINEERING CHANGE NR 1 OIL QUANTITY TRANSMITTER AND NR 4 BEARING SCAVENGE VALVE. LEAK AND OPERATION CHECKS OK.