As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOR FLIGHT 4071 RAMP PERSONEL REPORTED SEEING A LOT OF SMOKE COMING OUT OF ENGINE NR 1 TAILPIPE AFTER SHUTTING DOWN THE ENGINE. THE AIRCRAFT WAS REMOVED FROM SERVICE. PERFORMED ROLLS-ROYCE FIM TASK 72-00-00-810-812, FOUND OIL POOLING IN THE LPT, WHICH REQUIRES ENGINE CHANGE. REMOVED AND REPLACED THE NR 1 ENGINE IAW W/C 71-000-00. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.