“Pray! The Messenger of Allah, may Allah bless him and grant him peace, only forbade your people—the people of Yemen—from praying when the sun rises.” See Sahih Mawarid al-Zam'an (625).
Ahmad (6/254) then narrated another portion of it. Through another route from Isra'il, with the same chain, he also narrated his performance of the two rak'ahs at midday.
A valuable point in Aishah’s statement, attributed to the Companion, which Ibn Hajar did not mention in Fath al-Bari, is that Umar, may Allah be pleased with him, did not forbid the two rak'ahs after Asr because he denied their legitimacy. Rather, it was by way of blocking the means, out of fear that people would perform them at the prohibited time—namely, when the sun is setting. Supporting evidence is found in the narrations of Tamim al-Dari and Zayd ibn Khalid al-Juhani, neither of which Ibn Hajar discussed in al-Fath (2/65). Al-Haythami graded Zayd’s chain of transmission good, as will follow.
As for the hadith of Tamim, Hisham ibn Urwah narrated from his father, who said:
Umar came out among the people, striking them for performing the two rak'ahs after Asr, until he passed by Tamim al-Dari, who said:
“I will not abandon them. I performed them with one who was better than you: the Messenger of Allah, may Allah bless him and grant him peace!”
Umar replied: “If the people were like you, I would not mind.”
Ahmad (4/101) narrated it with a chain whose narrators are trustworthy and are narrators of the two Shaykhs. However, al-Haythami (2/222) said:
“Urwah did not hear from Umar.”
However, Abdullah ibn Salih narrated it: Al-Layth told me, from Abu al-Aswad, from Urwah ibn al-Zubayr, who said: Tamim al-Dari informed me—or, perhaps, I was informed—: