b. TM 9-2320-209-20-3-4 Replacement. NOTE Put back data plates (1) Riveted data plates. FRAME 1 as noted. 1. Put data plate (1) in place and aline rivet holes. 2. Put rivets (2) in blind riveter and through data plate (1) and part data plate is being riveted to. 3. Using blind riveter, rivet data plate (1) tightly in place. END OF TASK 21-29