The 737 press system has been noted as being deficient in ergonomic terms. It has caught operators out at a few airlines. The accident report into the Helios Crash makes note of this. Here are a selection from 2 operators. The Aer Lingus incident was particularly serious. Please Note that these happened across most variants: -200,-400,-800.
Aer Lingus:
http://www.aaiu.ie/upload/general/3504-0.pdf
FR:
http://www.aaiu.ie/upload/general/3496-0.pdf
http://www.aaiu.ie/upload/general/3893-0.pdf
http://www.aaiu.ie/upload/general/6693-0.pdf
I think there was more, but you get the picture.