What was found
LEFT PROPELLER HAS UNUSUAL VIBRATION AND IS SLOW TO ACCELERATE WHEN COMING OUT OF FEATHER. REPLACED THE PROPELLER HUB RELIEF VALVE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LEFT PROPELLER HAS UNUSUAL VIBRATION AND IS SLOW TO ACCELERATE WHEN COMING OUT OF FEATHER. REPLACED THE PROPELLER HUB RELIEF VALVE.