A Japan Airlines employee who admitted to drinking alcohol in Hawaii before his scheduled piloting duty last month, causing delays as the airline found a replacement, had on multiple occasions tampered with his testing kit to avoid detection under similar circumstances, the operator said Thursday.The 64-year-old captain had been flagged by the airline as someone who needed close monitoring after he was found with a below-threshold level of alcohol seven years ago. He had vowed to quit drinking, according to JAL.The airline said the pilot, who flew international routes, had altered the date …READ FULL ARTICLE