What was found
A/I WING HOT L AMBER CAS: UPON ENTERING THE TERMINAL AREA AT PBI WITH THE ENGINE ANTI ICE OFF. WE FIRST RECIEVED THE AMBER A/I WING O/T LEFT. IMEDIATLEY FOLLOWED BY THE RED A/I WING O/T LEFT. THE QRH PROCEDURE WAS PREFOREMED. THE ENGINE ANTI ICE SYNOPTIC INDICATED A TEMPERATURE OF 293C AND CLIMBING. WHEN WE SHUT THE ENGINES DOWN THE TEMPERATURE WAS 309C CORRECTIVE ACTION: REPLACED LH OUTBOARD LEADING EDGE TEMP SENSOR. OPS CHECK GOOD. IAW CE700 30-10-35.