As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ODOR IN COCKPIT AND CABIN DURING CLIMB OUT AND DESCENT. PERFORMED TSM 71-00-00-810-801-A, ODOR DUE TO AN ENGINE LEAKAGE. FOUND THE NR 2 ENGINE DEOILER OVERBOARD VENT WITH EXCESIVE OIL. REPLACED THE DEOILER CARBON SEAL IAW AMM 72-60-31. RAN ENGINES & PACKS AND COULD NOT DUPLICATE ODOR. ACFT OK TO CONTINUE SERVICE.