Narrated Abu Musa:
"Never was a Hadith unclear to us - the Companions of the Messenger of Allah - and we asked 'Aishah, except that we found some knowledge concerning it with her." (JA)
English reference (JA): Vol. 1, Book 46, Hadith 3883 (JA)
Arabic reference (JA): Book 49, Hadith 4257 (JA)