As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REPEAT WRITE UP - SMELLED LIKE BURNING OILT IN AFT OF CABIN FOR 10 MINUTES AFTER TO. SMELL CAME BACK WORSE AFTER TOUCH DOWN. DESCRIBED AS "VERY BAD" BY FA'S. GROUNDED - YES. PER TSM 05-50-00-810-829-A, REPLACED RECIRCULATION FILTER ELEMENTS IN REF TO AMM 21-21-41. 025197. NEED TO CONT TROUBLESHOOTING.