Two lower side rigging wires plus the short rear wire replaced in a lower rear group of three wires. 

If your glider has three lower rear wires.  Arranged in an inverted 'Y' shape with a single wire joining to the keel then it is important to replace this single wire at the same time as the side wires.

(The rear wires will have to be returned to Avian for the short wire to be cut out of the assembly and replaced.)

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