Fellow Technets,

A question was posed to me by a customer claiming that
IPC-R-7221 stated that a maximum of 1 rework per board
for class 3 was acceptable.   Specifically they stated
that this means only 1 solder joint per board could be
touched up.  I have been searching high and low for
IPC-R-7221 but to no avail have yet to find the
existence this publication.

My questions are:

1.  Does IPC-R-7221 exist?

2.  If so, can anyone support or refute the claims of
only being able to touch up 1 solder joint on a class
3 assembly?

Any help or input would be appreciated.

Best regards,

Mike

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