DC503A S1810 repair/replacement ?

Andy Warner

Bought a DC503A a while back (as-is) and finally got around to debugging
its strange behavior.
Turns out the function switch (S1810) is missing a set of wipers.

See: https://groups.io/g/TekScopes/photo/251456/0

In the photo, you can see the two plastic stumps where the wiper is
supposed to be.
It was nowhere to be found, I guess someone must have disassembled the
switch before me to remove the wreckage.

Any suggestions on repair/replacement strategies ?
Anyone got a dead DC503A they would be willing to sell me all or part of
(if so, please contact me off list at: andyw at pobox dot com)

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