Set up and drilled backing plates and aileron hinges and deburred on aft right wing spar. Aligned aft wing spar extension with main rear spar and drilled splice plate and deburred all holes. Set up drilled and deburred front spar wing attachment parts on root end of spar. Aligned fwd wing spar extension with main fwd spar and drilled splice plate and deburred all holes. Drawing A-W-019 & 020 show part PK-309 but should be PK-310 and it dose not show part PK-316 a peace of .020 skin material.
