What was found
TAXIING IN, RT ENG SHUTDOWN & RECEIVED FOLLOWING EIED MESSAGE -F2B T2 RANGE FAULT-. DOWNLOADED FADEC'S & SENT TO MCC. PERFORMED 2 STARTS ON NR 2 ENG, BOTH START NORM. RAN ENG AT LOW PWR 5 MINS, OPS CHECKS NORM. GAINED ACCESS TO RT TZ SENSOR, FOUND EXCESSIVE AMNT OF DIRT. CLEANED SENSOR & PIN. CHECKED FOR CONTINUITY. ELEMENTS & HEATING ELEMENT CONT CHECK GOOD. REMOVED FUEL FILTER & O-RINGS, REPLACED W/ NEW. PERFORMED 2 RUNS AT PWR, ENG NEVER SHUTDOWN. FAULT RETURNED. PERFORMED ANTI-ICE CHK IAW FLT -FZB TZ HEATER FAULT- APPEARED. REMAINED IN 2ND OP CHK. DEFERRED BOTH FAULT REFER TO W/O 099-901. ENG OPERATE GOOD. NO DEFECTS NOTED. WORK PERFORMED IAW CE750 M/M.