Actually, in looking through the linked articles, this is not that new - it looks like Garuda started the debt restructuring process back in December 2021 and the Indonesian court approvals came back in June 2022 (though seems to be at least one challenge). This recent news is about additional an filing in US Courts to address debt liabilities related to Boeing.
Court ratifies Garuda Indonesia's $9 billion debt restructuring deal
Garuda Indonesia wins creditors' approval for $9 billion restructuring
