What was found
ON DESCENT WITH AUTO THROTTLE ON 11,000 FT, NR 2 ENGINE SPOOLED NORMALLY TO MAINTAIN MANAGED SPEED, NR 1 ENGINE DID NOT SPOOL FOR 3 TO 4 SECONDS. NR 1 ENGINE WENT TO CLIMB THRUST RESULTING IN SUBSTANTIAL YAW (3 TO 5 DEG) ROLL OF 2 TO 3. ON IDLE DESCENT 6000 FT NR 1 ENGINE FUEL FLOW 800, NR 2 ENGINE 1450 WITH HIGH N1, N2 & EPR. TURNED OFF AUTO THROTTLES, APPROACH & LANDING NORMAL. MX TROUBLESHOT SYS USING TSM 73-00-00-810-877 AND FOUND NR 2 ENGINE IDLING HIGH. MX FOUND FADEC NR 2 A & B FAULTS FOR FUEL TEMP SENSOR (4017KS). REMOVE & REPLACED NR 2 ENGINE FUEL TEMP SENSOR. OPS & LEAK CHECK GOOD. AUTO FLT SYS & FADEC INDICATE NO FAULTS. PERFORMED HIGH POWER ASSURANCE TEST, OPS NORMAL & ALL PARAMETERS MATCH.