As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEN - NOTICEABLE SMELL IN THE CABIN AND COCKPIT WITH THE AIR CONDITIONING PACKS ON. INCREASED IN INTENSITY AT IDLE DESCENT AND WITH THE APU ON. MAINTENANCE REMOVED AND REPLACED THE RAM AIR WATER SPRAYERS. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED SERVICE.