Shuttle Engine Valve To Be Replaced

By Irene Klotz .

CAPE CANAVERAL, Fla. — This week’s test to verify a modification to space shuttle Atlantis’ fuel tank ended up revealing a leaky valve in one of the shuttle’s main engines, a problem that would have remained latent until launch day, prompting a scrub.

The main fuel line valve on Main Engine No. 3 will be replaced, work that NASA believes can be accomplished ...

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