Sunan Abi Dawud 796
سنن أبي داود#796Da'if‘Ammar b. Yasir said:I heard the apostle of Allah (ﷺ) say: A man returns after saying his prayer while a tenth part of his prayer, or a ninth part, or an eight part, or a seventh part, or a sixth part, or a fifth part, or a third part, or half of it, is recorded for him
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniHasan
Muhammad Muhyi Al-Din Abdul HamidHasan
Shuaib Al ArnautHasan
Zubair Ali ZaiDaif
In-book reference: 2:406