As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) OTHER CYLINDERS INSTALLED ON THIS ENGINE DID NOT HAVE THE INTAKE GUIDE SEALS INSTALLED. (SHORTER GUIDES REQUIRES SEALS, WHILE LONGER GUIDES DO NOT REQUIRE SEALS.) THE INTAKE SPRINGS WERE REMOVED TO MEASURE THE GUIDE TO SEE IF THE SEALS WERE REQUIRED FOR INSTALLATION. ONCE THE SPRINGS WERE REMOVED, IT WAS NOTED THAT THE GUIDE COULD ROCK FROM SIDE TO SIDE. THE CYLINDER IS BEING RETURNED TO FOR WARRANTY. THE CYLINDER WAS REPAIRED UNDER THEIR WO NR 69317-01.