What was found
(CAN) THE TSB IS INVESTIGATING A FATAL ACCIDENT WHICH OCCURRED AFTER A CYLINDER HEAD SEPERATED FROM THE CYLINDER ON A O-360-A2A ENGINE THE HEAD WHICH SEPARATED IS P/N AEL 85099 IR S/N 35823-21 REFERENCE TO AMERICAN AWD 2008-19-05 GROUP B. THE ENGINE HAD 211.7 TTSN WELL BELOW THE 350 HR LIMIT AS PER THE AWD. THE NON TYPE CERTIFICATED ENGINE WAS AT A COMPRESION RATIO OF 9.2:1 WHICH IS ABOVE THE TYPE CERTIFICATED ENGINES TYPICALLY RUNNING AT 8:1. TRANSPORT CANADA DOES NOT ADVISE RECREATIONAL OPERATORS OF NON-TYPE CERTIFICATED EQUIPMENT OF AWDS WHICH COULD AFFECT THEIR EQUIPMENT. (TC# 20090812009)