1.   During the six-hour excursion, the two plan to inspect and, if necessary, replace a seal on the hatch.

2.   Engineers added extra oxygen to the cabin to compensate for leaking when the seal was replaced, and later this extra oxygen was vented into the cargo bay.

3.   Replace the seals then reassemble the faucet.

4.   The seals were replaced, and the plane returned to service, re cords show.

5.   A person who knows how the meter functions need only pierce the seal to restrict and slow down the rotation of a revolving component before replacing the seal.

6.   First indications at the Kourou space centre launch site in French Guiana were that technicians would have to replace seals on the feed line.

7.   The delay was ordered to give technicians time to replace a seal on a hatch, the spokesman said.