Sunan an-Nasa'i 1003
سنن النسائي#1003SahihIt was narrated that Jabir bin Samurah said:"Some of the peole of Al-Khufah complained about Sa'd to 'Umar. They said: 'By Allah, he does not pray properly.' He said: 'I lead them in prayer as the Messenger of Allah (ﷺ) did, and I do not deviate from that. I take my time in the first two rak'ahs and make the other two shorter.' He (Umar) said: 'That is what I thought about you
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih - Agreed Upon
In-book reference: 11:128