Sunan Abi Dawud 1299
سنن أبي داود#1299SahihNarrated 'Urwah b. Ruwaim:That an al-Ansari narrated to him: The Messenger of Allah (ﷺ) said to Ja'far. He then narrated the tradition in like manner. This version has the words: "In the second prostration of the first rak'ah" in addition to the words transmitted by Mahdi b. Maimun (in the previous tradition)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautHasan
Zubair Ali ZaiIsnaad Hasan
In-book reference: 5:50