What was found
(CAN) CLIMBING THROUGH 5,200 FEET, REAR ENGINE RPM STARTED FLUCTUATING 200-300 RPM. OIL PRESSURE DROPPED TO ZERO, ENGINE FEATHERED. ENGINE TEARDOWN REVEALED BROKEN PISTON PIN. SUPERIOR AIR PART.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) CLIMBING THROUGH 5,200 FEET, REAR ENGINE RPM STARTED FLUCTUATING 200-300 RPM. OIL PRESSURE DROPPED TO ZERO, ENGINE FEATHERED. ENGINE TEARDOWN REVEALED BROKEN PISTON PIN. SUPERIOR AIR PART.