MOSCOW (AP) - The return of two Russian cosmonauts and an American astronaut to Earth from the International Space Station that was scheduled for Friday has been pushed back by a day because of problems encountered while undocking, the head of the Russian space agency said.
“The preliminary analysis, according to the technical commission, showed that a false signal appeared in the onboard computer system about the lack of a hermetic junction after closing the hatch on the station,” he said in comments shown on Russian state TV.
Perminov said the commission decided to reschedule the landing for Saturday. “It could be done today, but in order not to risk anything, we need reserve time,” he said.
However, Rob Navias, a spokesman for the U.S. space agency NASA, said there were also problems opening hooks and latches on the space station side of the capsule.
American astronaut Tracy Caldwell-Dyson and Russia’s Alexander Skvortsov and Mikhail Kornienko were due to land Friday morning. The three were reported to be in good shape.
Friday’s incident was the second problem in three months with docking or undocking Russian craft at the space station.
In July, an unmanned Progress supply ship failed to dock because of the activation of a transmitter for the manual rendezvous system, which overrode the automated system.
After the failed docking, it was moved to about 180 miles (300 kilometers) from the station. A second docking attempt succeeded two days later.
Associated Press Writer Peter Leonard in Almaty, Kazakhstan, contributed to this report.
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