Jay Honeck wrote:

What could possibly take 3 weeks to get a transponder?


Good question. When I complained to Cessna, they sent me to a
large avionics sales and service dealership 50 miles away.
This dealer had a replacement on the shelf and just swapped it
for the bad one. Never really knew why the first shop took so
long; they kept telling me they had sent the old unit to
Honeywell, and Honeywell was telling them they were
temporarily out of stock, awaiting a shipment from the
off-shore manufacturing facility.