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Gearbox Noise 912 ULS

  • bob Strakele
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2 months 2 weeks ago #17435 by bob Strakele
bob Strakele created the topic: Gearbox Noise 912 ULS
Hi everyone, in prep for oil
Change I took a one hour flight. After removing the cowl to burb the engine between every blade swing
I noticed a noise from gearbox similar to grinding.
Oil filter &fuzz plug normal.
Oil sample sent to Blackstone. TT gearbox 180.
I did fly in rain about a month
Ago . Anyone have any ideas . it would be greatly appreciated.

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