What was found
AIRCRAFT WAS NOT GROUNDED. REQUEST FOR MAINTENANCE TO CHECK THERMAL BLANKETS IN FORWARD CARGO. FLIGHT ATTENDANTS COMPLAINED OF HOT FLOOR AND WIRED SMELL NEAR 1-L JUMPSEAT. MAINTENANCE TO TROUBLESHOOT FLOOR HEATING SYSTEM PER AMM 25-27-00-740-001-A. ACCOMPLISHED TSM 25-27-00, NO FAULTS NOTED. REPLACED LEFT HAND FLOOR HEATER CONTROL UNIT 60DS (PRECAUTIONARY) PER MM 25-27-34. L1 DOOR FLOOR HEATERS BITE TEST NORMAL.