Unit 10 years old.
1. Very small fine crack in right hand lower corner had been cracked for years. Sealed with small amount gasket cement on outside of unit
2. Removed lower sprayer housing above water pump impeller, found many screws loose.. Tightened all screws. Stopped major water leak and failure to drain.
3. Rubber upper spray support disintegrated. Replaced with all of upper spray arm & supply tube kit & mount.