Sahih Al Bukhari Hadith Number 762

Narrated `Abdullah bin Abi Qatada: My father said, “The Prophet (peace be upon him) 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.”

10  Call to Prayers (Adhaan)
Hadith number 762
Volume no 1
Chapter: 97 (The recitation of the Qur’an in the ‘Asr prayer)