What was found
(CAN) OPERATOR REPORTED AN UN-COMMANDED IN-FLIGHT SHUTDOWN FOLLOWED BY ILLUMINATION OF THE ITT WARNING LIGHTS, ACFT CREW REPORTED UNCOMMANDED INFLIGHT SHUTDOWN ON THE NR 1 ENGINE TURNING FINALS FOR LANDING. CREW REPORTED ONLY SEEING CAUTION LIGHTS ON THE ANNUNCIATOR PANEL AND A LOW OIL PRESSURE WARNING, F/O ALSO REPORTED SEEING AN AMBER LIGHT IN THE ITT INDICATOR WHICH ILLUMINATES AT TEMPERATURES ABOVE 810 DEGREES. ACTUAL TEMPERATURE REGISTERED IS UNKNOWN.