<html> <body> I just tuned one of those whose number started with a "O". No problem. So far. But it was living hell to tune! Avery At 07:34 AM 2/24/2006, you wrote: <blockquote type=cite class=cite cite=""> Dave - You've got to learn to do a full 360 attitude-adjustment on this subject!  ;-)     YCs are nothing to worry about, they are something to celebrate! When I get a call from a new customer to tune their YC grand the anticipation starts. When I find out that the serial number begins with a zero, I start panting softly. When I find hammers blocking I start salivating. And when the customer tells me that the last tech found the same problem previously and kept having to "adjust something in there" I, I, - no, get your mind out of the gutter - my eyes start rolling over and spinning like a slot machine with dollar signs!   End result: replace brackets - they pay you and they seek reimbursement from YC - and do a full regulation - plus tuning, etc. - usually ends up well over a grand for a bunch of very fun work! No doubt about it, YC expanding brackets are an opportunity!   I find that if you explain the situation thoroughly to the customer, and what the other tech was doing, and that most new pianos will need a regulation after a few years of break-in anyway, they are usually very appreciative that you have finally gotten to the bottom of the cause of the troubles they have been having with that darn piano for so many years.   Terry Farrell <dl> <dd>----- Original Message ----- <dd>  <dd>My worry here is that it was serviced by a tech who was unfamiliar with the problem and could possibly have regulated it occasionally as it went out of whack... <dd>  <dd>My gut feeling, though, is that you are right.  At first glance, they seem stable. <dd>  <dd>Thanks, <dd>  <dd>Dave Stahl <dd>  </dl></blockquote></body> </html>