 |
01. |
Ignorance |
|
02. |
Insufficient Knowledge |
|
03. |
Poor Understanding |
|
04. |
Production |
|
05. |
Hardware Production |
|
06. |
Production of Machinery and Equipment |
|
07. |
Heat Exchanger |
|
08. |
SG tube |
|
09. |
Supporting Plate |
|
10. |
AVB |
|
11. |
Installation |
|
12. |
Regular Operation |
|
13. |
Nonobservance of Procedure |
|
14. |
Error of Mounting Position |
|
15. |
Lack of Insert Depth |
|
16. |
Failure |
|
17. |
Fracture/Damage |
|
18. |
Flow-induced Vibration |
|
19. |
Fretting Fatigue |
|
20. |
Failure of SG tube |
|
21. |
Usage |
|
22. |
Maintenance/Repair |
|
23. |
Inspection |
|
24. |
Lack of Inspection |
|
25. |
Failure |
|
26. |
Large-Scale Damage |
|
27. |
Leakage of Coolant |
|
|
|
Leakage of primary coolant at Mihama Unit 2 due to failure of SG tube
|
|
