Drill #40 and cleco all parts at F20-04L & R Former #4: F24-04 Upper Cross Tie #4 F24-08 Lower Cross Tie #4 F27-04L & R Vertical Channel #4 F20-04L & R Former #4 F23-11 Aft Push Rod Support F20-10 Former Clip Drill same #30 and cleco Disassemble all, debur. Deburred all holes at #4 former on F19-02 Skin Assembly except where the skin meets F19-03 Splice Channel Assembly and F26-02L & R Upper Longeron. Debur inside and outside of F26-01L & R Aft Side Panel Skin at #4 former except at F26-02L & R Upper Longeron and F26-03L & R Lower Longeron. Rivet Upper and Lower Cross Ties, Vertical Channels and Former Clip.
Drill #40 and cleco all parts at F20-03L & R Former #3 F24-03 Upper Cross Tie #3 F24-07 Lower Cross Tie #3 F27-03L & R Vertical Channel #3 F20-03L & R Former #3 F20-10 Former Clip Drill same #30 and cleco Disassemble all, debur. Deburred all holes at #3 former on F19-02 Skin Assembly except where the skin meets F19-03 Splice Channel Assembly and F26-02L & R Upper Longeron. Debur inside and outside of F26-01L & R Aft Side Panel Skin at #3 former except at F26-02L & R Upper Longeron and F26-03L & R Lower Longeron. Rivet Upper and Lower Cross Ties, Vertical Channels and Former Clip.
