据当地媒体报道，近几个月内，美国明尼阿波利斯数次接到自动扶梯停电报告。甚至有好几次，自动扶梯故障发生后就停用了一个月甚至更长时间。对建筑所有人而言据说最大的问题就是维护不便和用以维修的零件不好找。有的建筑已经把自动扶梯换成楼梯，而其他建筑也准备效仿。

　　MINNEAPOLIS EXPERIENCING NUMEROUS ESCALATOR OUTAGES

　　Minneapolis has reportedly experienced a large number of escalator outages in recent months, Minn Postreports. In some cases, after the escalator broke down, it was out of commission for a month or more. The primary problem for business owners is reportedly the inconvenience of maintenance and finding parts. Owners of some buildings in the city have recently replaced their escalators with stairs, and others are considering following suit.