checklink flags a good site link with 404 repeatedly

The URI checked is 

http://www.haskins.yale.edu/partners.html

the link is 
http://www.kennedykrieger.org/ ( copied from the results page)

Check run half dozen times over the last 24 hours.

???

Richard Crane
-------
Haskins Laboratories / (203) 865-6163 X 275 /  FAX (203) 865-8963
300 George Street/New Haven, CT 06511