<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; = charset=iso-8859-1"> <META content="MSHTML 6.00.2800.1170" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial size=2>List,</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Servicing a geriatric Chickering = concert grand today, D4 had a rattle somewhere in the action that sounded like metal = on wood.  I was in the process of regulating backchecks and noted that = the backcheck wire was loose in the key, so I fixed that with thin CA = glue.  The rattle persisted and seemed to be coming from the top action, so I = pulled the wippen.  There was no rattle in the key, the capstan was tight, = and everything appeared tight in the wippen, even when banging it on the table.  What was causing the noise?</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Bill Maxim</FONT></DIV></BODY></HTML>