I think a better translation may be possible
sādhu, bhikkhave, bhikkhu kālena kālaṃ attavipattiṃ paccavekkhitā hoti. Sādhu, bhikkhave, bhikkhu kālena kālaṃ paravipattiṃ paccavekkhitā hoti. Sādhu, bhikkhave, bhikkhu kālena kālaṃ attasampattiṃ paccavekkhitā hoti. Sādhu, bhikkhave, bhikkhu kālena kālaṃ parasampattiṃ paccavekkhitā hoti.
Bhikkhus, it is good for a bhikkhu from time to time to review his own failings. It is good for him from time to time to review the failings of others. It is good for him from time to time to review his own achievements. It is good for him from time to time to review the achievements of others. AN8.7
It’s going to be difficult if not downright impossible to review the attainments of others.
With metta
Mat