As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GNDED. ON IDLE DESCENT ENG NR 2 WILL NOT GO INTO FLIGHT IDLE, N1 & N2 OVER 10% ABOVE NR 1, FUEL FLOW 50% ABOVE ENG NR 1, 1280 LBS VS 840LBS. ACCOMPLISHED TROUBLESHOOTING IAW TSM 73-00-00-810 & CHANGED FUEL TEMPERATURE SENSOR THERMOCOUPLE IAW AMM 73-35-15. A SATISFACTORY LEAK & OPERATIONAL CHECK WAS ACCOMPLISHED.