Here's the description of the U.S. safety recall dated March 10, 2000.
Models: Ducati 916
Years: 1994-1998
Number Involved: 750
Description of Defect: Internal cracks may be present on the rear wheel spindle.
Consequence of Defect: This condition can cause the spindle to fail, causing a loss of control of the motorcycle and increasing the risk of a crash.
Corrective Action: Dealers will inspect the rear wheel spindle and replace it if necessary.