Is it just me or do GRE scanners seem to be much more fragile than their Uniden brethren? My Pro96 has all but fallen apart and totally quit working while my BC250D, which has been dropped, clonked and bopped for years longer than my 96, still works flawlessly. If I had the knowhow I'd be tempted to create a morph of the two so that my BC250 would have true P25 capability.
At any rate, a cheap fix for the interim would be to just use a rubber band to hold the old door on. I could probably send you my battery door - it's not like I need it anyway since the whole damn scanner no longer works!
-AZ