As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: DIRTY OIL / SMOKEY ODOR IN FLIGHT DECK AND CABIN NEAR ROW 11. CREW REPORTED THE ODOR STARTED DURING TAKEOFF ROLL AND CONTINUED DURING THE ENTIRE FLIGHT. MAINTENANCE DETERMINED THAT THE ENVIRONMENTAL CONTROL SYSTEM WAS CONTAMINATED AND ACCOMPLISHED DECONTAMINATION OF THE ENVIRONMENTAL CONTROL SYSTEM PER TASK CARD 26L00021004. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO ODORS BEING NOTED.