Nok Air’s chief financial officer Nuanwan Bhuprasert has resigned effective today, less than three weeks after starting the job and four days after the airline filed for bankruptcy protection.

The budget carrier’s chief executive Wutthiphum Jurangkool will resume the role of acting CFO, effective 4 August.

Nok Air did not give a reason for Bhuprasert’s resignation in its disclosure to the Stock Exchange of Thailand, filed on 3 August after market close. Cirium has contacted the airline for more information.

The airline said on 31 July that it had filed for business rehabilitation with a view to restructuring the company. Nok Air appointed one entity – Grant Thornton Specialist Advisory Services – and five people as rehabilitation planners. They comprise two board members, Prinya Waiwatana and Tai Chong Yih; two directors, Kasemsant Weerakun and Chavalit Uttasart; and Nok Air chief executive Jurangkool.

Bhuprasert was not included as one of the rehabilitation planners. She returned as Nok Air’s CFO on 17 July, having previously served in the role between 2014 and 2016.

Cirium understands that since her appointment last month, Bhuprasert has been involved in calls with the company’s lessors to discuss rental payments and rental deferrals. The carrier recently made token payments of approximately $500,000 to several lessors, sources told Cirium on 23 July.