I heard Hisham bin Hakeem reciting Surah al-Furqan during prayer in a way different from how I recited it, for the Messenger of Allah ﷺ had taught me to recite it. So I grabbed him by his garment and took him to the Messenger of Allah ﷺ.I said, "Messenger of Allah, I heard this man reciting Surah al-Furqan in a way different from how you taught me to recite it."The Prophet ﷺ said, "Recite."So Hisham recited it the way I had heard him recite.The Messenger of Allah ﷺ said, "It was revealed this way."Then he said to me, "Recite."So I recited it.He said, "It was revealed this way. Indeed, this Quran was revealed in seven modes, so recite whichever is easiest."
حدثنا عبد الرحمن عن مالك عن الزهري عن عروة عن عبد الرحمن بن عبد
سمعت هشام بن حكيم يقرأ سورة الفرقان في الصلاة على غير ما أقرؤها وكان رسول الله ﷺ أقرأنيها فأخذت بثوبه فذهبت به إلى رسول الله ﷺ فقلت يا رسول الله إني سمعته يقرأ سورة الفرقان على غير ما أقرأتنيها فقال اقرأ فقرأ القراءة التي سمعتها منه فقال هكذا أنزلت ثم قال لي اقرأ فقرأت فقال هكذا أنزلت إن هذا القرآن أنزل على سبعة أحرف فاقرءوا ما تيسر
Both of its chains of transmission are sahih, and it is a repetition of 158. See also our commentary on the treatise of Shafii, number 752, pp. 273–274.