What was found
LEFT ENGINE WOULD NOT COME OUT OF IDLE. DIVERTED TO CCS. LEFT ENGINE WENT INTO SUB-IDLE STALL ACCOMPANIED BY STATOR VANE FAULT MSG. LATER DURING DESCENT TO DIVERSION STATION, ENG FAIL MSG ILLUMINATED & FLIGHT CREW SHUT THE ENGINE DOWN AND MADE A SINGLE-ENGINE LANDING. MAINT REPLACED THE STATOR VANE ACTUATOR (SVA), ENGINE PASSED ALL INSPECTIONS & RUN-UPS AND WAS RETURNED TO SERVICE. THE REMOVED ACTUATOR, WHICH HAD BEEN PREVIOUSLY MODIFIED PER SERVICE BULL. 75-10, WAS SENT TO THE OEM HAMILTON-SUNDSTRAND FOR INVESTIGATION. HS RPTD THAT THE LINEAR VARIABLE DIFFERENTIAL TRANSDUCER (LVDT) WITHIN THE SVA WAS SEIZED & THE FLAT PIN FRACTURED.