なんだろう、499RM 分のクレジットバランスをくれるって書いてあるけど。

5年間有効と書いてある。

D7って、　Q7に説明があるが、もっかのところ　from Kuala Lumpur to Sydney, New Delhi and Seoul which are on sale now for travel through to 30 June 2022.  となっており、国際線だ。

そのうちマレーシア国内旅行でも使えるのかな？

5. How long is the validity of the travel voucher?

The travel vouchers will be valid for 5 years from the date of issuance for redemption of AAX services only (airline code D7).

7. Which flights can I book with the travel vouchers?

The travel vouchers can be used to book any AAX Malaysia (flight code D7) flights. The airline has recently resumed flights from Kuala Lumpur to Sydney, New Delhi and Seoul which are on sale now for travel through to 30 June 2022. More flights will be available for the remainder of 2022 and to additional destinations in the near future as the airline continues to resume operations in its key markets.

以上　(6/1記)