W12-04 Splice Plate W12-03R and -03L Right and Left Hand OutBoard Rear Spar Channels and W12-02R and -02L Right anf Left Hand Rear Spar Channels - Started drilling #40 pilot holes using the W12-04 Spice Plates to join the -02 Rear Spar Channels to the -03 Outboard Rear Spar Channels.

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