Jami` at-Tirmidhi 583
جامع الترمذي#583SahihJabir bin Abdullah narrated:'Mu'adh bin Jabal would pray Al-Maghrib with the Messenger of Allah, then he would return to his people to lead them (in prayer)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Bashar Awad MaaroufHasan Sahih
Zubair Ali ZaiSahih
In-book reference: 6:40