The Messenger of Allah ﷺ drank some milk, then rinsed his mouth and said, "It has fat in it."
حدثنا يحيى عن الأوزاعي قال حدثنا الزهري عن عبيد الله بن عبد الله
أن رسول الله ﷺ شرب لبنا فمضمض وقال إن له دسما
Its isnad is sahih, its isnad is sahih, and this is a repetition of 1951 with this same isnad. In H, it reads Abdullah bin Ubaydullah, which is an error we have corrected from K.