FY2012 Number of assessment from Domestic Operating Experience

（2012.11.4～2013.3.16）

NUCIA Class Number of cases significance
A1 A2 B1 B2 B3 C D
Trouble Information 1       1      
Maintenance Quality Information 19   1   2 4 12  
Other Information 33           1 32
total 53 0 1 0 3 4 13 32

Category of cance

  Significance Category NUCIA Class
Information sharing A1 Significant event to be fully rolled out Trouble Information
(T Information),

Maintenance Quality Information
（M Information）
A2 Significant event occurring repeatedly
B1 Information to be shared(Significant event)
B2 Information to be shared(Recurrence monitoring)
B3 Information to be shared
Reference information C Information for reference
Other Information
（S Information）
- D Other of A ～ C