Narrated Aishah, Ummul Muminin: The Prophet ﷺ ordered that the skins of the animals which had died a natural death should be used when they are tanned.
Shaykh Umar Farooq Saeedi
Benefits and Issues: If a lawful (halal) animal dies (i.e., becomes a carcass), its skin becomes pure by tanning.
Source: Sunan Abu Dawood – Commentary by Shaykh Umar Farooq Saeedi, Page: 4124
´It was narrated from 'Aishah that:` the Messenger of Allah ordered that the hides of dead animals be made use of if they had been tanned. (Daif)
Hafiz Muhammad Ameen
(1) The verifier of the book has declared the mentioned narration to be weak in its chain of transmission; however, this narration, on the basis of other supporting evidences and corroborations, is reliable and actionable. For details, see: (al-Mawsu‘ah al-Hadithiyyah, Musnad al-Imam Ahmad: 504/40 and Dhakheerat al-‘Uqba Sharh Sunan al-Nasa’i: 46, 34/33).
(2) “He commanded” means he granted permission and concession. It is possible that the command itself is intended, because permission to waste wealth is not given.
Source: Sunan Nasa'i: Translation and Benefits by Shaykh Hafiz Muhammad Amin Hafizullah, Page: 4257