What was found
7261 - SBN - LEFT ENGINE VIBRATIONS WITH DE-ICE PROP ON. VIBRAITION GOES AWAY AT 35 PERCENT TORQUE. MAINTENANCE REPLACED BRUSH BLOCK ON RIGHT ENGINE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
7261 - SBN - LEFT ENGINE VIBRATIONS WITH DE-ICE PROP ON. VIBRAITION GOES AWAY AT 35 PERCENT TORQUE. MAINTENANCE REPLACED BRUSH BLOCK ON RIGHT ENGINE.