Core Points - A Japan Airlines aircraft experienced a mechanical failure during flight, necessitating an emergency landing at New Chitose Airport in Hokkaido on September 4 [1] - The flight took off from New Chitose Airport at approximately 8:00 AM, heading to Haneda Airport, and the left engine failed around 8:30 AM, prompting the pilot to return [3] - The aircraft, an Airbus A350, managed to land using only the right engine at 9:00 AM, with 285 passengers on board, all of whom were unharmed [3] - Japan Airlines will conduct an investigation into the cause of the engine failure [3]