RD
It would appear that you did not research your facts very thoroughly whilst at BHX.
The problems were as follows:
One aircraft diverts to Lyons with the loss of No.1 hydraulics fluid due to the stby hyd pump breaking up in flight.
One aircraft with a loss of primary pitot instruments due to, YET AGAIN, the introduction of moisture in the plumbing freezing at altitude. BTW the standby ASI also apparently wound down to zero. The same aircraft on the same trip suffered an uncommanded MLG door opening in flight.
Various niggly problems on the third aircraft causing delays.
In the case of the first 2 problems these are not niggly little defects.
Given the aircraft have been in service with SAS for nearly 3 years and with flybe 18 months the initial "teething" problems you alude to should all be sorted. These are serious technical problems suggesting the aircraft are not up to the job or that maintenance and crew procedures are not sorted. Either way with the introduction of more 400s it can only further highlight these weaknesses. If flybe ever hope to compete against the other low costs it has to have the right kit. The 400 is not the right kit.
Come on you flybe people(except RD) tell me I am wrong.