Sahih al-Bukhari 762
صحيح البخاري#762SahihNarrated `Abdullah bin Abi Qatada:My father said, "The Prophet (ﷺ) used to recite Al-Fatiha along with another Sura in the first two rak`at of the Zuhr and the `Asr prayers and at times a verse or so was audible to us
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: 10:156