Sunan Abi Dawud 2774
سنن أبي داود#2774Sahihحَدَّثَنَا مَخْلَدُ بْنُ خَالِدٍ، حَدَّثَنَا أَبُو عَاصِمٍ، عَنْ أَبِي بَكْرَةَ، بَكَّارِ بْنِ عَبْدِ الْعَزِيزِ أَخْبَرَنِي أَبِي عَبْدُ الْعَزِيزِ، عَنْ أَبِي بَكْرَةَ، عَنِ النَّبِيِّ صلى الله عليه وسلم أَنَّهُ كَانَ إِذَا جَاءَهُ أَمْرُ سُرُورٍ أَوْ بُشِّرَ بِهِ خَرَّ سَاجِدًا شَاكِرًا لِلَّهِ .
Narrated AbuBakrah: When anything came to the Prophet (ﷺ) which caused pleasure (or, by which he was made glad), he prostrated himself in gratitude to Allah
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih Lighairihi
Zubair Ali ZaiIsnaad Hasan
In-book reference: 15:298