(2) باب سَجْدَةِ تَنْزِيلُ السَّجْدَةُ
Narrated Abu Huraira:
On Fridays the Prophet (ﷺ) used to recite Alif Lam Mim Tanzil-As-Sajda (in the first rak`a) and Hal ata `alal-insani i.e. Surat ad-Dahr (LXXVI) (in the second rak`a), in the Fajr prayer.
Reference: Sahih al-Bukhari 1068
In-book reference: Book 17, Hadith 2
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 2, Book 19, Hadith 174