What was found
AIRCRAFT EXPERIENCED ENGINE FAILURE AFTER TAKE-OFF, PILOT LANDED AIRCRAFT WITH MAIN LANDING GEAR RETRACTED. AIRCRAFT RECIEVED CONSIDERABLE DAMAGE FROM LANDING. ENGINE UPPER COWLING REMOVED FOR INVESTIGATION OF ENGINE FAILURE. DURING INSPECTION OF ENGINE FOUND MAGNETO DISENGAGED FROM ACCESSORY CASE, ALL MOUNTING HARDWARE MISSING. REVIEW OF MAINTENANCE LOGBOOKS REVEALED AD 96-12-07 IMPULSE COUPLING INSPECTION COMPLIED 06 APRIL, 2001. MAGNETO HAS 180.1 HRS SINCE LAST INSPECTION. OIL CHANGE COMPLETED 27 JANUARY, 2003.