Grading: The hadith is "sahih" except for the statement: "And he used to recite Surah Bani Isra'il and al-Zumar every night".
Technical note / Defect ('illah): "Abu Lubabah" (Marwan, the freedman of A'ishah) is alone in narrating it, and only one narrator narrated from him. Ibn Ma'in, al-Dhahabi (al-Kashif) and Ibn Hajar (al-Taqrib) declared him thiqah, Ibn Hibban mentioned him in al-Thiqat, and al-Tirmidhi graded this hadith hasan. But al-Dhahabi stated explicitly in "al-Mizan" (4/ 565) that his report is "munkar". Ibn Khuzaymah withheld judgement at (1163) and said: if it is permissible to use the report of this Abu Lubabah as proof (for I know neither his uprightness nor any criticism of him).

Reference / Source: It was recorded by Ahmad, al-Tirmidhi and al-Nasa'i through several routes via Hammad bin Zayd. al-Tirmidhi limited himself to the story of the recitation and called it "hasan gharib".

Reference / Source: The story of fasting and breaking the fast was recorded by Ahmad, al-Bukhari, Muslim, Abu Dawud, Ibn Majah, al-Tirmidhi, al-Nasa'i and Ibn Hibban via "Abu Salamah bin Abd al-Rahman", and by Ahmad, Muslim and al-Nasa'i via "Abd Allah bin Shaqiq al-Uqayli"; both from A'ishah.