As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE DETERMINED THAT AN OIL SMELL APPEARED TO BE COMING FROM THE NR 2 ENGINE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE NR 2 ENGINE ZERO CARBON SEAL IAW RRMM 72-25-25 PERFORMED ENGINE RUNS IAW RRMM 72-00-00 AND ETN EM -72-034. THE LEAK AND OPERATIONAL CHECKS WERE GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.