TM 9-2320-209-20-3-4 b. Repair FRAME 1 1. Check that propeller shaft (1) and universal joint yokes (2, 3, 4, and 5) are not bent or cracked. If damaged, get new parts. 2. Check that universal joints (6 and 7) are not rusted, loose or broken. If damaged, do universal joint repair. Refer to Part 1, para 10-5. END OF TASK 19-110