This is a multi-part message in MIME format. ---------------------- multipart/alternative attachment Dave , Just a guess, but from your description and careful inspection , = I'd suspect a sudden change between the pinblock and the plate flange. = Perhaps some type of glue joint failure ,especially if the block is in = sections.That hitch pin area does seem suspicious, but if the plate was = broken or had a crack, it would seem to me that tuning stability would = not be possible at any pitch. I'm thinking that any failure in that = block, back post, fillers etc assembly would be loud,and create the = changes as you describe. Maybe the plate flange is what cracked? Late = night speculations from a cold Northeast . Tom Driscoll ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/5e/7e/0e/35/attachment.htm ---------------------- multipart/alternative attachment--
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