Gearbox tests on the EC225 helicopter have recreated the fault that engineers believe forced the ditchings of two of the aircraft into the North Sea last year, Eurocopter says. In an April 3 statement, Eurocopter said engineers have been carrying out a third round of testing on the main gearbox of the EC225. They reported to operators that they not only reproduced the scenario which caused the cracking in the bevel gear vertical shaft – part of the aircraft’s main gearbox (MGB) – on the ...

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