As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE INSPECTION, FOUND EXCESSIVE SMOKE FROM ENGINE NR 1 AFTER SHUTDOWN. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED THE NR 1 ENGINE SHAFT PLUG O-RING IAW RR MM 72-59-15. THE TEST OF THE ENGINE WAS GOOD IAW RR MM 72-00-00-710-801. ALSO, REPLACED METAL GASKETS. OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.