Completed step 10 page 21iS/U-07 Step 10: Riveted nutplates to ribs #2, #3, #6 and #7 ribs per the Figure 4 call-out.
Completed steps 1 thru 9 page 21iS/U-08 Step 1: Machine countersunk #40 nutplate attach holes, then separated F-01242 into right and left parts as shown in Figure 1. Step 2: Attached nutplates to F-01242-L & -R as shown in Figure 2 Step 3: Dimpled #40 the nutplates and attach holes in Rib #5, then riveted the nutplates in place using the called out rivets per Figure 3. Step 4: Machine countersunk #30 the two holes indicated in the F-1252. Set one aside for use later. Step 5: Riveted F-01242-R, F-1252 and the Pulley Bracket Assembly to #5 per the call-outs. Step 6: Riveted #6 to the Pulley Bracket Assembly as shown. Step 7: Dimpled #40 the nutplates and attach holes in Rib #4, then riveted the nutplates in place using the called out rivets per Figure 4. Step 8: Riveted F-01242-L, F-1252, and the Flaperon Mixer Arm Assembly to #4 using the called out rivets. Step 9: Riveted #3 to the Flaperon Mixer Arm Assembly as shown. Completed steps 1 thru 5 page 21iS/U-09 Step 1: Dimpled #40 the nutplate attach holes in two F-01267A-1 per Figure 1. Step 2: Machine countersunk #40 the nutplate attach holes in two F-01267B-1. Step 3: Using the rivets called out in Figure 1, riveted the nutplates to two F-01267A-1 and to two F-01267B-1. Step 4: Riveted one each of F-01267A-1 & B-1 to the Flaperon Mixer Bracket/ Seat Rib Assembly and to Rib #2 using the rivets called out in Figure 2. Step 5: Riveted the remaining F-01267A-1 & B-1 to the Pulley Bracket/ Seat Rib Assembly and to Rib #7 per the rivet call-out
