Separated the F-01299 into 2 each -L & -R parts per figure 1 reference page then filed and deburred. Separated F-1216 into -L and -R parts per figure 2 reference page then filed and deburred. Separated four F-00122 parts per figure 3 then filed and deburred. Separated F-00123AB 2 each F-00123A and F-00123B parts per figure 4 then filed and deburred.
Labeled F-01215-L-1 & -R-1 seat ribs 1-8 per figure 5 reference page. Removed the vertical strip from the lightening hole of Rib's 1 - 8 as shown in figure 7 same page.
Cleco'ed F-01299-L to the #4 Rib and inspected for interference per figure 6 same page and filed to remove any interference. Repeated this process for #8 Rib and then repeated for #'s 1 and 5 using the F-01299-R instead.
Cleco'ed together F-00123A and F-00122 then machine countersunk #40 the F-00123A per figure 7. Then riveted together using 4 AN426AD3-4 rivets then riveted to Rib #1 using 3 LP4-3 rivets. Then completed this same step for Rib #5.
Machine countersunk #40 the F-0123B and then riveted it to the F-00122 using 4 AN426AD3-4 rivets and riveted it to Rib #4 using LP4-3 rivets per Figure 6 reference page. Repeated this process for Rib #8.
Cleco'ed together Rib #5, F-01299-R & -L, and the F-1216R. Final drilled #30 the common eight 1/8 diameter holes per figure 7, deburred and cleco'ed. Riveted together these parts using 8 LP4-3 rivets and repeated this paragraph step for Rib #1 and attached F-12102A-L and F-12102B to Rib #1.
Cleco'ed together Rib #4, F-01299-R & -L, and the F-1216L. Final drilled #30 the common eight 1/8 diameter holes per figure 6, deburred and cleco'ed. Riveted together these parts using 8 LP4-3 rivets and repeated this paragraph step for Rib #8 and attached F-12102A-R and F-12102B to Rib #8.
