What was found
(CAN) DURING CYLINDER REMOVAL TO CORRECT AN OIL CONSUMPTION PROBLEM, IT WAS FOUND THAT PISTON RING (P/N 684042) WAS BROKEN. IT APPEARS THERE WAS A CASTING PROBLEM DURING MANUFACTURER.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) DURING CYLINDER REMOVAL TO CORRECT AN OIL CONSUMPTION PROBLEM, IT WAS FOUND THAT PISTON RING (P/N 684042) WAS BROKEN. IT APPEARS THERE WAS A CASTING PROBLEM DURING MANUFACTURER.