It seems performance issues (weight, fuel burn, range) have been known about for some time. However, we now hear that the first aircraft may have older software standards and possibly reduced operational (landing?) capability. This would be a contractual issue also, and maybe, for instance, tests in the last few days showed that the problem would take longer than expected to be cured....
Last edited by daikilo; 18th Sep 2011 at 16:52.
Reason: missing word