A Delta flight travelling from Shanghai to Seattle made an emergency landing on Thursday in Tokyo due to a possible fuel leak, a Japanese transport ministry official said.
None of the flight's 220 passengers and crew members was hurt in the incident, the official said.
Delta 588, a Boeing 767-300, left the Chinese metropolis at 12:50 pm Chinese time, according to the company.
Its pilot declared an emergency to the Japanese aviation authority as the plane flew over Japan, the official told AFP.
"At 3:27 pm, the pilot told the air traffic service that there might be a possible fuel leak from the right wing," the official said.
"An emergency was declared. The aircraft landed normally at Narita airport at 4:21 pm," he said.
The airport dispatched 15 fire engines but they did not see any evidence of fuel leaking from the plane or any fuel dripping on the airport's runway, the official added.
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