As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCO - ON DESCENT INTO MCO BELOW 10,000 FEET, AIRCRAFT HAD A VERY STRONG ODOR IN CABIN - A DIRTY SOCK SMELL (NO ODOR IN COCKPIT). ODOR CLEARED UP WHEN AIRCRAFT LANDED IN MCO. MAINTENANCE RAN PACKS TO DETERMINE POSSIBLE APU OR ENGINE SMELL. RAN APU AND BOTH ENGINES. NO SMELL NOTED AT THIS TIME. REPLACED HEPA FILTERS PER JOB CARD 03L00021001.