Korean Air faces possible prosecution after three employees allegedly deleted files and emails during a Fair Trade Commission (FTC) investigation into the airline’s request to ease seat-supply obligations imposed as part of its merger with Asiana Airlines. The FTC said Thursday that it submitted a review report recommending that Korean Air and the three employees each be referred for prosecution over alleged obstruction of the regulator’s investigation. The recommendation is not a final decision. The case will be reviewed by the FTC’s full commission, which will make its final determination after giving Korean Air and the employees opportunities to submit their opinions and review evidence. The watchdog conducted an on-site inspection of Korean Air’s headquarters in Seoul from Feb. 2-6, as part of its review of the airline’s request to ease seat-supply requirements on the Cheongju-Jeju and Jeju-Cheongju routes. According to the FTC, three Korean Air employees deleted work-related electronic files and emails connected to the case between Feb. 2 and 4. Investigators determined th