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Reply to "Contaminant identification."

analysis is one thing. but the source of ingression is another thing. you think it is vg 46 contamination so you do have an idea based from the equipment system. you need to understand how this could happen. now all i can assume is this vg 46 is bearing oil and vg 220 is for g/b. if so, if both components are in the same casing, the seal that meant to prevent oil ingression to g/b from bearing cavity may have fail.
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