Wacker1000 wrote:They should out the operator(s) that experienced the IFSDs and go after them for improper long term storage practices.
CriticalPoint wrote:.......corrosion happens anywhere and everywhere.
Dalmd88 wrote:I've heard this has been found by numerous operators that stored these planes for the pandemic. This system has been problematic since day one on the NG. The failure rate on the entire engine bleed system has had many upgrades.
When I worked line mtc we were told only do the scheduled check on one airplane per night. Make sure we have all the components in stock before we started the test.The failure rate was that high. We always ended up changing one of the three main components. These were planes that we having no known issues inservice, but once you looked closely at the operation of the valves something was usually out of spec.
lightsaber wrote:There is often stress corrosion under certain opperating conditions.
NameOmitted wrote:lightsaber wrote:There is often stress corrosion under certain opperating conditions.
My understanding of corrosion is that it is a electrochemical process of oxidation of metals. My understanding of stress is that it generally refers to physically wearing down parts, often at joints or load transfer points. My understanding of both is limited, so please be kind, but what is stress corrosion?
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