As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOI FLIGHT 2341: DURING CRUISE NR 2 FUEL TEMP MOVED ERRATICALLY FROM 36 DEG - 99 DEG. DURING DESCENT - 36 DEG - 60 DEG. INCREASE IN POWER APPEARED TO INCREASE FLUCTUATION. MAINTENANCE REPLACED NR 2 FUEL TEMP SENSOR IAW Q400 AMM 73-31-09. OPS AND LEAK CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.