Japan Airlines Co. flew four domestic flights without required checks and engaged in other irregularities regarding maintenance work, the transport ministry said Friday as it slapped the airline's unit with a business improvement order over the incidents.While the improper maintenance did not directly impact actual services, the Land, Infrastructure, Transport and Tourism Ministry determined that the case involving JAL Engineering Co. constituted a serious violation that jeopardized airline safety."We take the ministry's order seriously and will do our utmost to regain our customers' trust,…READ FULL ARTICLE
