Sahih Muslim 793
صحيح مسلم#793SahihJa'far b. 'Amr b. Umayya al-Damari reported on the authority of his father who said:I saw the Messenger of Allah (ﷺ) take slices from goat's shoulder and then eat them. He was called for prayer and he got'up, leaving aside the knife, and offered prayer but did not perform ablution
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 3:115