And even if they worked the fire might've damaged the plane enough.
For example https://www.faa.gov/lessons_learned/transport_airplane/accid...
when they lost tail engine, all of the hydraulics went down
(Also, as a result of the Sioux City crash you linked, there were several ADs issued requiring changes to hydraulics in these airframes.)
And even if they worked the fire might've damaged the plane enough.
For example https://www.faa.gov/lessons_learned/transport_airplane/accid...
when they lost tail engine, all of the hydraulics went down