1.   The postponements were attributed to a series of unrelated problems, including a leaky valve, a faulty computer, a hydraulic system malfunction and Hurricane Opal.

2.   After thunderstorms and a leaky valve delayed its flight for nearly a week, Endeavour finally took off Wednesday afternoon.

3.   Early Tuesday, station astronaut Jim Voss replaced the leaky valve with a temporary cap.

4.   Flight director Paul Hill said the leaky valve eventually will be replaced.

5.   Flight director Paul Hill said the leaky valve will be replaced.

6.   Leaky valves are common, and most people suffer no ill effects.

7.   Station astronaut Jim Voss replaced the leaky valve with a spare.

8.   Station astronaut Jim Voss and Atlantis Commander Steven Lindsey replaced the leaky valve with a spare.

9.   That depended partly on whether the tank, which resembles a giant propane tank, was ruptured or had only a leaky valve, he said.

10.   The launch had been postponed first by thunderstorms, then by a leaky valve.