Unbolt W11-02 End Wing Attach Assembly, debur, reassemble to W08-01R Main Spar. Needed 3 washers on -58 and 2 washers on -56 bolts (this assembly is removed later and reassembled with shorter bolts). Uncleco W16-01 thru W16-12 Aft Rib, debur. Locate parts for aileron linkages.