Jami` at-Tirmidhi 315
جامع الترمذي#315Da'ifIsmail bin Ibrahim (a narrator in the chain of Hadith no. 314) said:"I met Abdullah bin al Husain in Makkah, so I asked him about this Hadith, so he narrated it to me, he said: 'When Allah's Messenger entered, he said (Rabbi aftahli abwaba rahmatik) 'O Lord, open the gates of Your mercy for me.' And when he exited he said: (Rabbi iftahli abwaba fadlik) 'O Lord, open the gates of Your blessings for me
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Zubair Ali ZaiDaif
In-book reference: 2:167