As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) REMOVED VENT TUBE FOR MORE DETAILED INSPECTION AND FOUND THAT THE TUBE WAS PLUGGED SOLID WITH WHAT APPEARED TO BE CARBON. THIS CAUSED THE REAR BEARING NOT VENT PROPERLY.THE COMPANY WILL ADD REMOVAL & INSPECTION OF THIS TUBE TO THE SCHEDULED 500 HOUR ENGINE INSPECTION.