整せい備び不ふ良りょう

noun

faulty maintenance; poor maintenance; inadequate maintenance

Used for mechanical, vehicle, or equipment maintenance that is insufficient or improperly performed. Often appears in official or technical contexts such as accident reports.

• 事じ故この原げん因いんは車しゃ両りょうの整せい備び不ふ良りょうだった。

  The cause of the accident was faulty maintenance of the vehicle.

• 整せい備び不ふ良りょうのまま機き械かいを動うごかすと危き険けんです。

  It is dangerous to operate machinery with poor maintenance.