整備 せいび不良 ふりょうではありませんでした
seibi furyōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 整備不良

1. Was not out of order.; Was not malfunctioning.; Was not in disrepair.

Past/Perfective
Negative
Polite
Formal Register