List, I believe this problem with Young Chang action problems has been discussed in the past, but this is my first encounter with one. Upon arrival last Friday to tune one of these beasts, I discovered all hammers blocking against the strings from A0 to C8. Can any of you folks that have done this repair give me some advice? Will Young Chang supply parts under warantee? What is a reasonable cost or number of hours for this repair? Do they typically require complete regulation after replacement of parts? (It does not seem any goofy regulation has been done by a technician) Any other pitfalls that you have encountered? Steve Stokes AAA Piano Service El Dorado Hills, CA 95762
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