修復 しゅうふく作業 さぎょうじゃなかったです
shūfukusagyōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 修復作業

1. Wasn't repairing.; Wasn't fixing.; Wasn't under repair.

Past/Perfective
Negative
Polite
Casual Register