What was found
RT ITT ILLUMINATED IN FLIGHT UP TO 75 INCREASE FROM ORIGINAL VALUE TORQUE GAINED APPROX PLUS 3-4 PERCENT. RAN ABNORMAL CHECK LIST TORQUE MOTOR KNOCK OUT PERFORMED FLUCTUATIONS INCREASED. PERFORMED FAULT ISOLATION IAW GE MM 72-00-00 REF NORMAL FLIGHT OPERATIONS FAULT ISOLATION STEP 9&11. ALSO PERFORMED ECU TEST IAW GE MM TR 72-0597 TO ENSURE ALL INPUTS FROM ECU WERE PROPERLY REPORTING. PERFORMED ENGINE RUNS FOR 10 MIN AT 80 PERCENT TRQ COULD NOT DUPLICATE FAULT AT THIS TIME. NO FURTHER REASON TO BELIEVE THAT THIS DISCREPANCY IS STILL PRESENT.