15-2: Step 5: Pressi Aileron Bearings into Aileron Hinge Bracket Assemblies in vice as indicated in instructions. Step 6:Reassemble Aileron Bracket Assemblies and check that bearings are centered and not spreading the assembly due to mis-alignment. Adjusted as necessary. Step 7: Rivet Alieron Bracket assemblies as indicated
15-3: Step 1: Mark W-1007D Rear Spar Doubler Plates as indicated.