As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT 3144, ON DESCENT IN TO MSY A SLIGHT BURNING DEICE OR BURNING OIL SMELL WAS OBSERVED. CORRECTIVE ACTION: REPLACED O-RING ON GENERATOR DRAIN. (LP 4084569) PERFORMED AMDS CARD 2100-2005 REVERSE FLOW DECONTAMINATION. NO ODOR PRESENT. (LP 4084568)