Jami` at-Tirmidhi 341
جامع الترمذي#341Sahihحَدَّثَنَا هَنَّادٌ، حَدَّثَنَا وَكِيعٌ، عَنْ سُفْيَانَ، عَنْ عَبْدِ اللَّهِ بْنِ دِينَارٍ، عَنِ ابْنِ عُمَرَ، قَالَ كَانُوا رُكُوعًا فِي صَلاَةِ الصُّبْحِ . قَالَ أَبُو عِيسَى وَحَدِيثُ ابْنِ عُمَرَ حَدِيثٌ صَحِيحٌ .
Ibn Umar said:"They were bowing during the Subh (Fajr) Prayer
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:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Bashar Awad MaaroufSahih
Zubair Ali ZaiSahih - Agreed Upon
In-book reference: 2:193