What was found
(CAN) CAUTION MSG ON `FMS OEI` ONE ENGINE INOPERATIVE. LEFT THRUST LEVER WENT TO IDLE, DURING APPROACH TO RUNWAY ON INTERCEPT HEADING, CAUTION FMS OEI MSG AND LEFT THRUST LEVER WENT TO IDLE. DISCONNECTED AUTO-THROTTLE (A/T) AND ENGINE PARAMETERS, ALL NORMAL. CANCELLED OEI FMS PERFORMANCE MSG. NORMAL LANDING AND NO MORE CAUTIONS. NO INFO MESSAGE ON GRD NO FAULT RPORTED. ALL SATISFACTORY (TC NR 20180103002).