PPRuNe Forums - RPM automatically increasing

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mddc8

28th July 2012 04:37

RPM automatically increasing

Troubleshooting question: If you choose to help, greatly appreciated.

ONLY in cruise, one of our 139's RPM switch set at 100% at straight level flight momentarily bumps up 2% percent with no pilot assistance.

Collective wiring rang out good
LVDT's on order yet no test box

Any starting points?:ugh:

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