As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STARTED APU ON APPROACH CHECK AT 10,000' GOT VERY FOUL SMELL IN CABIN + COCKPIT, BUT ALL INDICATIONS WERE NORMAL. SHUTDOWN APU AND SMELL WENT AWAY LANDED W/ NO ISSUES. INSPECTED APU ENCLOSURE FOR LEAKS AND NO LEAKS NOTED AND PERFORMED ADJ/ TEST OF APU IAW AMM 49-10-00. ALL CHECKS GOOD. A/C OK FOR SVC.