<html> Hi Don,               I take it you have questioned the customer about possible variations in climatic conditions,  and that you feel the damp chaser is not at fault. Check the glue joints around the perimeter of the sound board, and liner.  Next check the pin block to back support and spacer integrity Regards Roger At 08:09 AM 2/21/02 -0600, you wrote: >Hi all, > >The Piano: A Baldwin Hamilton from the corfam era. Equipped with a >damppchaser and back cover. > >The History: 2 years ago pitch correction at a4 = 0.6 cents ><x-tab>       </x-tab><x-tab>        </x-tab>1 year ago pitch correction at a4 = 0 > >The Problem: This year pitch correction at A4 = 22 cents including overpull >on RCT. > >Any answers? > >Regards, >Don Rose, B.Mus., A.M.U.S., A.MUS., R.M.T., R.P.T. > ><a href="mailto:pianotuna@accesscomm.ca" eudora="autourl">mailto:pianotuna@accesscomm.ca</a> ><a href="http://us.geocities.com/drpt1948/" eudora="autourl">http://us.geocities.com/drpt1948/</a> > >3004 Grant Rd. >REGINA, SK >S4S 5G7 >306-352-3620 or 1-888-29t-uner > </html>