I've owned this MR76 for a couple years and am the 2nd owner. Very happy overall but for one thing. I need it cleaned and the Left hand main selection pot replaced. got a couple keys that are not playing and one that only registers as max pressure (loud). I believe something may have been spilled down the left side from the safe button down to two octives below middle C. Anyone with contacts for techs who do this work? What about parts resources? pretty thin from what I can find....any ideas other than buying a another MR for parts? thx

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Jonathan