Imam Tabrani has narrated an incident that a person repeatedly visited Uthman bin Affan (ra) concerning something he needed but Uthman paid no attention to him. The man went to Uthman bin Hunaif (ra) and complained to him about the matter- [Note: this was after the death of the Prophet and after the caliphates of Abu Bakr and Umar ] so Uthman bin Hunaif said : “Go to the place of Wudu, then come to the Masjid, perform two Rak’ats and then say :“O Allah I ask of you and I turn my face towards you “BY VIRTUE OF THE INTERCESSION OF MUHAMMAD THE PROPHET OF MERCY” “”YA MUHAMMAD”” (Peace be upon him) I have turned to my lord “by virtue of your intercession concerning this need of mine so that it may be met… Then come so that I can go with you [to the caliph Uthman].”
So the man left and did as he had been told, then went to the door of Uthman ibn Affan (Allah be pleased with him), and the doorman came, took him by the hand, brought him to Uthman ibn Affan, and seated him next to him on a cushion. ‘Uthman asked, “What do you need?” and the man mentioned what he wanted, and Uthman accomplished it for him …
Imam Mundhiri (rah) said: Imam Tabarani after narrating it said “THIS HADITH IS SAHIH” [At-Targheeb wa Tarheeb, Page No. 129 in the chapter of Salaat al Hajah] Note: Imam al-Haythami (rah) also accepted the authentication of Imam Tabrani in his Majma az Zawaid Volume No. 2, Hadith # 3668