As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLT - AT IDLE POWER, DESCENDING BELOW 10,000 FEET, CREW REPORTED A STRONG SMELL OF DIRTY SOCKS. MIGHT BE COMING FROM THE PACKS. AFTER ADDING POWER, SMELL DISSIPATED. FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE LEFT PACK AIR CYCLE MACHINE AND WATER SEPARATOR SOCK PER MM 21-51-31 AND 21-51-11. OPERATIONAL CHECK GOOD. NO SMELL NOTED.