Posted for "George Braly" <gwbraly@gami.com>:

 Somebody ought to look at the part numbers for the Aerostar airlerons and
elevators.
 
 Initially,  the first few Aerostars had the same problem with highly
premature bearing wear in the controls.
 
 They changed manufacturers of the bearings and completely fixed the problem.
 
 Regards,  George