As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING TAXIING, THE CREW REPORTED THAT SMOKE ACCOMPANIED BY A ODOR OF BURNED OIL WAS PRESENT IN THE CABIN. TROUBLESHOOTING WAS PERFORMED AND NL SENSOR PACKINGS WERE REPLACED ON BOTH ENGINES. ENGINES GROUND RUN WAS PERFORMED AND THE SITUATION WAS SOLVED. NO-REOCCURRENCE SINCE PARTS WERE REPLACED.