As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IDLE DECENT, NR 1 ENGINE N2 WAS 73.7%, NR 2 ENGINE WAS 68.3%. NR 1 N1 AT 42.4%, AND NR 2 N1 AT 33.1%. MAINTENANCE FOUND FAULT CODE AND REPLACED THE NR 1 FUEL TEMP THERMOCOUPLE IAW AMM 73-35-15-400. ACCOMPLISHED SATISFACTORY OPERATIONAL AND LEAK CHECKS. AIRCRAFT WAS GROUNDED.