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We have a GE frame 9E gas turbine, with Accessory gearbox of Flender AA30CZ. We were facing high vibrations in accessory gear box. during the combustion inspection of GT we inspected that there are pitting marks on half bearings of the Accessory gear box main shaft.
It appears to because of some leakage current. can anybody have seen this type of problem?
What can be the reason.
Regards
BSJhala
It appears to because of some leakage current. can anybody have seen this type of problem?
What can be the reason.
Regards
BSJhala