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I removed the newly installed landing light and its power unit to make and attach a mount for the Aeroflash power unit.  It will sit just on the other side of the spar.  By making a standoff, the power connector from the power unit to the strobe will line up with a lightning hole to give maintenance access.  (However, the unit itself is too big to come through the same hole, so if it ever has to be replaced, I have to modify the last rib.
      Riveting the pieces in place.