Sahih Muslim 845
صحيح مسلم#845SahihA'isha reported:Ibn Umm Maktum used to pronounce Adhan at the behest of the Messenger of Allah (ﷺ) (despite the fact) that he was blind
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: 4:9