Harvard Business Review posting theorizes that 787 problems don't stem just from outsourcing, which Boeing has decades of experience with. They also point the finger at leaving interfaces undefined and modularizing before design was complete, leaving complex design and interface decisions to subs. Imported McDonnell Douglas execs are also singled out for blame. (blogs.hbr.org) More...
Replacing apu's fuel burning on the apron, in the name of the EPA and partially replacing it with current battery technology isn't practical. In flight amp draw for charge is to great.
It appears that Boeing is cutting off its nose to spite its face, or at least its own Engineers by outsourcing something that should have been done in house!