This is an update to my "Flood" Problem in Refrigerator thread:
I did not have the confidence to do this repair myself, so I called A&E
Factory Service (an authorized Whirlpool repair shop). A technician
came and did the job for $160 (expensive). The problem was just as
those who responded to my posting said: a clogged drain tube located
behind the back panel of the freezer compartment. Clogged with ice.
Cleared with hot water. Problem gone. That was 12 days ago.
Thanks again to all who responded to my original post. You guys were
completely right on this one.