Tecman – I'll concede the point. But you can only work with the information provided. Putting engines aside, I'll agree that the CASA, manufacturer and end user performance has been less than an 'ideal', none providing a timely response to the chronic problems you correctly point out.
However, I wonder, was the regulating culture more open, less threatening and more in the spirit of cooperation; then perhaps the end users, in cooperation with CASA and manufacturers could have produced a more acceptable response for all parties concerned, rather than the current mess which appears to be in the final throes of a death spiral...