Sunan an-Nasa'i 5483
سنن النسائي#5483Hasanأَخْبَرَنَا أَحْمَدُ بْنُ سُلَيْمَانَ، قَالَ حَدَّثَنَا أَبُو دَاوُدَ، عَنْ سُفْيَانَ، عَنْ أَبِي إِسْحَاقَ، عَنْ عَمْرِو بْنِ مَيْمُونٍ، قَالَ كَانَ النَّبِيُّ صلى الله عليه وسلم يَتَعَوَّذُ مُرْسَلٌ .
It was narrated that 'Amr bin Maimun said:"The Prophet [SAW] used to seek refuge." Mursal
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:
Abu Ghuddah-
Zubair Ali ZaiHasan
In-book reference: 50:56