As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING ENGINE TROUBLESHOOTING, NOTED ENGINE CRANKCASE BREATHER RUBBER COUPLING KINKED AND RESTRICTING VENTING ALONG WITH BREATHER ALTERNATE AIR OUTLET COVERED BY NO APPROVED SCREEN. ENGINE CRANKCASE BREATHER TUBE COUPLING REPLACED AND FREEDOM VERIFIED. CRANKCASE BREATHER ALTERNATE AIR HOLE UNCOVERED AS REQUIRED. NO FURTHER FAULTS FOUND.