As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CATASTROPHIC FAILURE. NR 3 ROD BROKEN. CRANKCASE DESTROYED. CRANKSHAFT DESTROYED. NR 3 AND NR 4 CYLINDERS DAMAGED BEYOND REPAIR. ENGINE WAS MODIFIED IAW STC SE793NW FOR 9.7:1 COMPRESSION PISTONS. PILOT REPORTED LEANING ENGINE IN NORMAL FLIGHT SITUATIONS. ENGINE EQUIPPED WITH SINGLE EGT, ON NR 3 STACK, NO CYLINDER HEAD TEMPERATURE SYSTEM. ENGINE OIL CAPACITY WAS FULL AFTER LANDING.