A Continental Micronesia passenger flight headed for Guam safely made an emergency landing at Tokyo's international airport after developing a cabin pressure malfunction, officials said Monday.
Flight 920, which left western Okayama carrying 67 passengers and six crew, was headed for Guam but turned around and made an emergency landing at Narita International Airport at 1:34 p.m. (0434 GMT), Transport Ministry official Tsuyoshi Shirai said.
No injuries or damage were reported.
Officials are investigating the cause of the pressure problem, which forced the pilot to quickly lower the aircraft, a Boeing 737, from the altitude of 37,000 feet (11,300 meters) to as low as 10,000 feet (3,000 meters) over the Pacific Ocean, he said.
The trouble occurred about an hour after it departed Okayama, about 550 kilometers (340 miles) west of Tokyo.
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