Sahih al-Bukhari 903
صحيح البخاري#903SahihNarrated Yahya bin Sa`id:I asked `Amra about taking a bath on Fridays. She replied, " Aisha said, 'The people used to work (for their livelihood) and whenever they went for the Jumua prayer, they used to go to the mosque in the same shape as they had been in work. So they were asked to take a bath on Friday
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 11:27