摘要：近日某小区有用户反映上网经常出现掉线，而当工程人员上门检修时并未发现用户所说的故障现象。后来几天内又多次接到该用户电话反映故障，同时陆续接到该小区其他用户反映有同类故障，这时感觉到了事态的严重性。
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