Vertaling van "privatised successor company were to become insolvent leaving " (Engels → Frans) :

They were particularly worried about what would happen if the privatised successor company were to become insolvent leaving the pension scheme with a deficit.
Ils étaient particulièrement inquiets de leur sort pour le cas où l'entreprise privatisée «succédante» devait devenir insolvable, ce qui rendrait le régime de retraite déficitaire.