As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING UNSCHEDULED MAINTENANCE, FOUND THE NR 2 ENGINE NR 7 CARBON SEAL LEAKING AND THE ENGINE WAS SMOKING WITH FIRE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE RIGHT ENGINE IAW W/C 71-000-00. THE OPERATIONAL CHECKS AND LEAK CHECKS WERE GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.