She's trying to land the chopper safely, but the chopper doesn't land safely, and the reason it's not landing safely is because it's not responding to the commands that her legs are giving because her legs were blown off.
Ela tenta pousar o helicóptero  com segurança, mas o helicóptero não pousa com segurança porque não responde  aos comandos que as pernas dão, porque ela já não tem pernas.