Sunan an-Nasa'i 4247
سنن النسائي#4247SahihIt was narrated that 'Aishah said:"The Prophet said: 'The dead animal is purified by tanning it
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 ZaiHasan
In-book reference: 41:26