What was found
ORD - FLT NR 4058 - NR 2 TQ DROPPED TO 50 PERCENT WITH POWER LEVERS IN NOTCH. ATTEMPTED EEC RESET, CAUSING ENGINE FAILURE. WHEN TQ DROPPED TO 50 PERCENT ALL OTHER PARAMETERS FOLLOWED. REPLACED RT ENGINE FUEL SYSTEM COMPONENTS INCLUDING FLOW DIVIDER, FUEL PUMP, HMU, MFC AND FUEL NOZZLES. PERFORMED ENGINE GROUND CHECKS. AIRCRAFT RETURNED TO SERVICE. (M)