As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INFLIGHT CREW REPORTED NOXIOUS FUMES IN CABIN DURING FLIGHT. PERFORMED INFO NOTICE 2017-T015A AND FAULT WAS DUPLICATED ON THE NR 2 ENGINE. TROUBLESHOOTING PERFORMED IAW TSM 71-00-00-810-801-A, AND FOUND OIL INSIDE THE LP COMPRESSOR FAN DISK. THE LP TURBINE SHAFT BLIND CAP NEEDED TO BE REPLACED. R & R THE LOW PRESSURE LP TURBINE SHAFT BLIND CAP IAW AMM 71-51-41-400-012-B. FOUND NO OIL INSIDE SHAFT.