slipping becket?

[Paul Chick (EarthLink)]

>
> >Hi members
> >Tuned a Kawai RX 6 today. Beautiful!; but the string on E5 would slip out
of
> >tune--go flat from repeated forte blows.  It's the only note to do it.
> >Everything looks fine.  I suspect maybe the becket is moving out of the
> >tuning pin?!?  Any one ever encounter this?
> >
> >Paul Chick
>
>
> Yes, but not yet in an RX. I don't usually have one STOP doing it short of
> letting go entirely. Did you escape without having to replace the string?
>
> Ron N

My error, it is E6.  Under normal playing it held, but would slip with heavy
test blows.  It is the left and center string of the unison.  There was no
time to explore more.  The pianist was sure she wouldn't play that loudly to
cause the problem.  I'll see the piano again this week.

Paul Chick