しつ欠陥 けっかん責任 せきにんじゃなかったです
shitsukekkanno sekininjanakattadesu

Noun
Desu Copula

The polite, past negative form of 質欠陥の責任

1. Wasn't responsible for the quality defect.; Wasn't to blame for the defect.

Past/Perfective
Negative
Polite
Casual Register