Jami` at-Tirmidhi 3052
جامع الترمذي#3052SahihNarrated Ibn 'Abbas:"They (the Companions) said: 'O Messenger of Allah, how do you hold those who died while they were drinking Khamr - considering that the prohibition of intoxicants is now revealed?' So, (the following) Ayah was revealed: "Those who believe and do righteous good deeds, there is no sin on them for what they ate (in the past), if they fear Allah and believe and do righteous good deeds
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih Lighairihi
Al-AlbaniSahih
Bashar Awad MaaroufHasan Sahih
Zubair Ali ZaiHasan
In-book reference: 47:104