Videoscope L4
| Rod A | Videoscope observation at the position of withdrawn corner rod A |
| Rod B | Videoscope observation at the position of withdrawn corner rod B |
| Rod C | Videoscope observation at the position of withdrawn corner rod C |
| Rod D | Videoscope observation at the position of withdrawn corner rod D |
| Rod 18 | Videoscope observation of inner surface of cladding #18 |