As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FROM TOP OF DESCENT ALL THE WAY TO TOUCHDOWN STRONG ODOR THAT STARTED IN THE REAR OF THE AIRCRAFT. PILOTS SMELLED FROM ABOUT 4000 MSL TO LANDING. ODOR DISSIPATED AFTER LANDING. SUSPECT SOURCE IS NR 2 ENGINE. EVIDENCE OF OIL AT SPINNER. REPLACED SHAFT COVER SEAL. (LP 9074544, 1654139 - AIRCRAFT WAS GROUNDED)