One good thing about waiting for an answer from Van's and primer to arrive is getting ahead of deburring tasks. Separated F-1219A and B flaperon mixer arms. Separated F-1017C-L and -R seat belt attach lugs and F-1216-L & -R seat belt attach lug supports. Also removed vertical strip of material from lightning hole in all F-1215-L & -R seat ribs. (page 21-04, steps 1, 6, and 7). The following parts deburred in this session: F-1219A and B flaperon mixer arms F-1220A & B forward and aft intercostals F-1218 flaperon mixer brackets F-1017C-L and -R seat belt attach lugs F-1216-L & -R seat belt attach lug supports F-1215-L & -R seat ribs (complete except for minor filing between cutouts in flanges)