As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH INTO MEM, PASSENGER AT ROW 16 REPORTED EXCESSIVE HEAT COMING FROM FLOOR AREA. BOTH FLOOR AND SIDEWALL WERE HOT TO TOUCH. ENGINE AND WING ANTI-ICE WERE ACTIVATED. CAPTAIN DECLARED AN EMERGENCY AND EQUIPMENT WAS CALLED AS A PRECAUTION. AIRCRAFT LANDED WITHOUT INCIDENT. REPLACED BLOWN SEALS AT ANTI-ICE DUCT. AIRCRAFT RETURNED TO SERVICE.