I'd suggest getting the case VERY clean and dry with something like brake cleaner or spray carb cleaner, then applying a layer of epoxy over the pin hole. Use an old toothbrush or something similar with the solvent to get every trace of oil off the case, or the epoxy won't stick.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
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