What was found
GTF FLIGHT NR 2324: NR 1 FUEL TEMP ERRONEOUSLY SHOWED INDICATIONS FROM NORMAL TO 85 DEG C. FLIGHT WAS DIVERTED TO GEG. MAINTENANCE REMOVED (DISCONNECTED) NR 1 ENG FUEL TEMP SENSOR CONNECTOR AND FOUND IT TO BE DIRTY. CLEANED CONNECTOR AND SENSOR ELECTRICAL CONNECTIONS AND RECONNECTED. PERFORMED TEST OF SENSOR IAW AMM TASK 73-31-09-400-801, STEP 5 FG TESTS GOOD. INDICATED TEMP LOWERED 9 DEG C FROM INITIAL READING AND READING AFTER MTX ACTION. NO OTHER DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.