To answer the first question directly:
Pack inop dispatch does not require one to depart with engine bleeds off, using APU bleed does.
Like MaxHelixAngle I was also tempted to read that using AUP bleed for increased airflow is optional, but there is nothing in my Boeing DDG that indicates this (the usual Boeing language for options is put down as "If .... is desired, ...." like in you company DDG). The exception that I read is mentioned earlier (without PATS Auxiliary Fuel Tanks). Maybe this is the variation your company operates?
And yes, the AUTO position only gives high airflow in flight with the flaps up,
BUT with operating one pack with APU bleed and both engine bleeds OFF, regulates to high airflow (which is not a problem for that senario).
We have come back landing with only one pack operating in high arflow once due to a wing-body overheat
and have not noticed any difference in the cockpit.
My two pence, nice flights everyone!
Last edited by LAHSO 06/03; 19th July 2010 at 21:57.
Reason: wording (my English)