Translation of "Intermittent" in Japanese

Bales decided that as long as the problem was only intermittent, the landing could continue.

ベールズは、問題が断続的である限り、着陸を続けることができると判断しました。

- It has been off and on for a few months.
- It's been intermittent for 2 or 3 months.

断続的ですが、もう２、３ヶ月になります。