588. We made the go around due to FMS position error.
588. 由于 FMS 位置错误，我们进行了复飞。
英语百科
Position error
Position error is one of the errors affecting the systems in an aircraft for measuring airspeed and altitude. It is not practical or necessary for an aircraft to have an airspeed indicating system and an altitude indicating system that are exactly accurate. A small amount of error is tolerable.