The ATSB supports safety recommendations the SA Coroner has made today that reinforce those by the ATSB, but disagrees with some of the Coroner's key conclusions.
The ATSB formally re-opened its investigation in November last year after possible significant new evidence about a potential manufacturing defect in the left engine crankshaft became available from the US engine manufacturer (Textron Lycoming)
- the ATSB has since re-tested the crankshaft, including using destructive testing open to non-Bureau witnesses and the input of external laboratories, and found no problems with the steel…