Hobie Miracle 20 - hull failures

Some of the early production models had a high rate of hull failures due to a manufacturing defect, but this was rectified in later models. Does anyone know what year the problem was fixed. I have a 1992 model H-20

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Tracy Huff
P-16
Las Vegas, NV USA
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What did Hobie do to rectify the problem?

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Tracy Huff
P-16
Las Vegas, NV USA
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