[pianotech] Repin problems

[Terry Farrell]

I presume "cracking" means jumping (often the physically jumpy pin  
will have an accompanying "cracking" sound).

Terry Farrell

On Aug 6, 2009, at 3:35 AM, Bruce Browning - The Piano Tuner wrote:

> David,
> What does this mean?
>
>
>> five random pins that are cracking. This is most
>>
>