As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT FA'S REPORTED CHEMICAL ( BURNING ) SMELL ON DESCENT IN 5 MIN DURATION -FOLLOWED TSM 05-50-00-810-831-A. DURING PRE-CONDITIONING OF APU, DID NOT NOTICE SMELL ON A/C. APU OIL LEVEL AT SVC LEVEL. INSPECTED APU COMPARTMENT FOR LEAKS. NO LEAK NOTED. A/C OK FOR SVC.