Separated F-832C seatback angles. Trimmed bottom corner of F-832C angles. Separated F-832BD seat angles. Smoothed and deburred edges of all seat angles. Removed tabs from seat belt openings in F-832A-1 front seatback. Deburred all edges. Manufactured F-832E-1 front seatback hinge. Match drilled hinge to bottom of front seatback. Clecoed angles to F-832A-1 front seatback. Match drilled all #30 holes.