It was narrated that Jabir bin Samurah said:
"I sat with the Prophet (ﷺ) and I did not see him deliver the khutbah except standing, and he sat, then he stood up and delivered the second khutbah." (RU)
App reference (RU): Book 14, Hadith 52 (RU)
English reference (RU): Vol. 2, Book 14, Hadith 1416 (RU)
Arabic reference (RU): Book 14, Hadith 1426 (RU)