As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN AND COCKPIT ODOR DESCENDING THROUGH 10000 FEET AND REMAINED WITHIN AFTER ENGINE SHUTDOWN. -PERFORMED ENG IDLE RUN WITH CREW ASSISTANCE. OPERATED PACK 1 AND PACK 2 NO ODOR PRESENT. OPERATED PACK 1 AND PACK 2 WITH APU BLEED NO ODOR PRESENT. IAW TSM 05-50-00-810-831-A . AIRFRAFT GOOD FOR SERVICE.