Turned right wing over and level root end and checked wing tip for 1mm washout. See the 13mm block under the level. Measured trailing edge for 19mm washout and found it right on. Installed the U stringers by splicing them where needed and deburring and dimpling for the 412 rivets. Installed stringers under tank. These are made for the 18 gal tanks (15 imp gal) Pulled bottom skins from storage and laid on wing and checked alignment.
