Cracks found on nine Japan Airlines plane pipes

Cracks found on nine Japan Airlines plane pipes

TOKYO -- Japan Airlines Corp. has found cracks in pipes in nine of its MD-90 airplanes including one which made an emergency landing last week, it said Sunday in a statement.

JAL will investigate the cause of the cracks jointly with Boeing Co. the manufacturer of the planes, "as the cases can be caused by defects at the manufacturing process," it said.