Hadithcore
Bulugh al-Maram, 135

Narrated `Ali (RAA):

One of my forearms was broken. Then I consulted Allah's Messenger (Peace be upon him) and he ordered me to wipe over the bandages. [Reported by Ibn Majah with a very weak chain of narrators].

وَعَنْ عَلِيٍّ ‏- رضى الله عنه ‏- قَالَ: { اِنْكَسَرَتْ إِحْدَى زَنْدَيَّ فَسَأَلَتْ رَسُولَ اَللَّهِ ‏- صلى الله عليه وسلم ‏-فَأَمَرَنِي أَنْ أَمْسَحَ عَلَى اَلْجَبَائِرِ } رَوَاهُ اِبْنُ مَاجَه بِسَنَدٍ وَاهٍ جِدًّ ا [1]‏ .‏

References2 variants
In-Book Reference
Book 1, Hadith 164
English Reference
Book 1, Hadith 146