Sahih al-Bukhari 179
Book 4: Ablutions (Wudu') · Hadith 45
Hadith text
Narrated Zaid bin Khalid:I asked `Uthman bin `Affan about a person who engaged in intercourse but did no discharge. `Uthman replied, "He should perform ablution like the one for an ordinary prayer but he must wash his penis." `Uthman added, "I heard it from Allah's Messenger (ﷺ)." I asked `Ali Az-Zubair, Talha and Ubai bin Ka`b about it and they, too, gave the same reply. (This order was canceled later on and taking a bath became necessary for such cases)
Zaid bin Khalid (رضی اللہ عنہ) bataate hain ke maine Uthman bin Affan (رضی اللہ عنہ) se pucha us shaks ke baare mein jo humbistari kare magar inzaal na ho. Uthman ne jawab diya: "Woh maamooli namaz jaisa wudu kare, magar apna aala zaroor dhoye." Unhone kaha: "Maine yeh Allah ke Rasool se suna hai." Maine Ali, Zubair, Talha aur Ubai bin Ka'b se bhi pucha, unhone bhi yehi jawab diya. (Baad mein yeh hukum badal gaya aur ghusl zaroori ho gaya.)
Sahih al-Bukhari 179 · Book 4, Hadith 45