NEW YORK, April 23 (Reuters) - Japan Airlines Co. Ltd. (9201) and Japan Air System Co. Ltd. (9203) are submitting a revised merger plan to the Fair Trade Commission to avoid violating the Anti-Monopoly Act, The Asahi Shimbun reported. According to Wednesday's edition of the paper, monitored in New York on Tuesday, the two air carriers proposed surrendering slots for about ten flights to and from Tokyo International Airport at Haneda. Under the merger, JAL and JAS would jointly establish a holding company by October and thereafter plan to cut thair domestic airfares around 10 percent to boost competition in the domestic market and answer criticism from the FTC, the paper said.