Originally Posted by
MrSnuggles
The investigators in AIBN, who studies what went wrong in the Norwegian helicopter accident the 29th of April, have discovered a fatigue crack in one of the wheels in the main rotor gear box. AIBN states this in the first report about the accident. There are also other indications of problems of metal fatigue.
This is already known, is described in the
latest preliminary report, and has been discussed here extensively.